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	<title>SpryFeet.com &#187; Education</title>
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	<description>Practical research for runners and walkers</description>
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		<title>Means Are Not Enough</title>
		<link>http://www.spryfeet.com/2010/06/02/means-are-not-enough/</link>
		<comments>http://www.spryfeet.com/2010/06/02/means-are-not-enough/#comments</comments>
		<pubDate>Wed, 02 Jun 2010 16:09:11 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Education]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[Walking]]></category>
		<category><![CDATA[boot camp]]></category>
		<category><![CDATA[data analysis]]></category>
		<category><![CDATA[mean]]></category>
		<category><![CDATA[means]]></category>
		<category><![CDATA[paces]]></category>
		<category><![CDATA[running logs]]></category>
		<category><![CDATA[running schedule]]></category>
		<category><![CDATA[sample means]]></category>
		<category><![CDATA[standard deviation]]></category>
		<category><![CDATA[statistical inference]]></category>
		<category><![CDATA[statistical tests]]></category>
		<category><![CDATA[statistically significant]]></category>
		<category><![CDATA[statistics]]></category>
		<category><![CDATA[summary statistics]]></category>
		<category><![CDATA[two season]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1946</guid>
		<description><![CDATA[If you keep a running log (which you should do), then one of the things that you may like to do with it is to compare your average pace in one training season to your average pace in another training season. For example, suppose that you followed an identical running schedule in training seasons A [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>If you keep a running log (which you should do), then one of the  things that you may like to do with it is to compare your average pace  in one training season to your average pace in another training season.</p>
<p>For  example, suppose that you followed an identical running schedule in  training seasons A and B, with season B following season A but with some  sort of boot-camp, cross-training, or gym workouts coming between  seasons A and B. And suppose that you had a <a href="http://en.wikipedia.org/wiki/Arithmetic_mean" target="_blank">mean</a> pace of 11:05/mile in  season A and a mean pace of 10:55/mile in season B.</p>
<p>Would it be  fair to say that there is a <a href="http://en.wikipedia.org/wiki/Statistically_significant" target="_blank">statistically significant</a> improvement in  your mean pace in season B in comparison to season A?</p>
<p>After all,  the supposition is that season A had an 11:05/mile mean and that season B  had a 10:55/mile mean &#8212; an improvement of ten seconds per mile!</p>
<p>Unfortunately,  it is not enough to look at two means and say that one is statistically  different than the other.</p>
<p>Of course, season B&#8217;s mean pace could  be better than season A&#8217;s mean pace in a statistically significant way.  But we cannot tell from looking at the means alone.</p>
<p>The path to  statistical significance requires us to know how many values went into  each sample mean and to know the variability of those values.</p>
<ul>
<li>The  sample means from seasons A and B in this scenario would be written in  statistical notation as x-bar-subscript-A and x-bar-subscript-B,  respectively.</li>
<li>The &#8220;how many values&#8221; part is easy to identify in  this scenario. It is simply the number of running workouts on the  running schedule. Written in statistical notation to refer to seasons A  and B, these two numbers would be written as n-subscript-A and  n-subscript-B, respectively. And, because we originally supposed that  you followed exactly the same schedule in those two seasons, we also  have that n-subscript-A <em>equals</em> n-subscript-B, which equals the  total number of runs prescribed by the schedule.</li>
<li>The  &#8220;variability of those values&#8221; part is calculated as what is called the <a href="http://en.wikipedia.org/wiki/Standard_deviation#Estimation" target="_blank"> sample standard deviation</a> and would be written in statistical notation  as s-subscript-A and s-subscript-B for seasons A and B, respectively.  You can search the Web for information on how to calculate a sample  standard deviation. And some computer spreadsheet programs will  calculate this for you.</li>
</ul>
<p>With the sample means, <a href="http://en.wikipedia.org/wiki/Sample_size" target="_blank">sample  sizes</a>, and sample standard deviations in hand, you can calculate what is  called a &#8220;two-sample t statistic&#8221; (the <a href="http://www.stat.yale.edu/Courses/1997-98/101/meancomp.htm" target="_blank">formula</a> for which is taught in  many textbooks and on many websites) and determine from this calculation  whether season B truly was better than season A at a specific level of  statistical significance (such as 95%).</p>
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		<title>The 7 Habits of Highly Effective Runners and Walkers</title>
		<link>http://www.spryfeet.com/2010/05/21/the-7-habits-of-highly-effective-runners-and-walkers/</link>
		<comments>http://www.spryfeet.com/2010/05/21/the-7-habits-of-highly-effective-runners-and-walkers/#comments</comments>
		<pubDate>Fri, 21 May 2010 14:32:37 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Cross-training]]></category>
		<category><![CDATA[Education]]></category>
		<category><![CDATA[Healing]]></category>
		<category><![CDATA[Races]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[Walking]]></category>
		<category><![CDATA[7 habits]]></category>
		<category><![CDATA[alexander technique]]></category>
		<category><![CDATA[classic books]]></category>
		<category><![CDATA[habit]]></category>
		<category><![CDATA[habits]]></category>
		<category><![CDATA[highly effective]]></category>
		<category><![CDATA[highly successful people]]></category>
		<category><![CDATA[human behavior]]></category>
		<category><![CDATA[learning]]></category>
		<category><![CDATA[personal development]]></category>
		<category><![CDATA[personal life]]></category>
		<category><![CDATA[proactive]]></category>
		<category><![CDATA[psychology]]></category>
		<category><![CDATA[runners]]></category>
		<category><![CDATA[self-help books]]></category>
		<category><![CDATA[seven habit]]></category>
		<category><![CDATA[stephen covey]]></category>
		<category><![CDATA[synergize]]></category>
		<category><![CDATA[the seven habits of highly effective people]]></category>
		<category><![CDATA[walkers]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1879</guid>
		<description><![CDATA[Stephen Covey&#8216;s The 7 Habits of Highly Successful People, first published in 1990, is now a classic book in the world of business and self-help. The seven habits are: Be Proactive Begin with the End in Mind Put First Things First Think Win/Win Seek First to Understand, Then to Be Understood Synergize Sharpen the Saw [...]]]></description>
			<content:encoded><![CDATA[<p></p><p><a href="https://www.stephencovey.com/" target="_blank">Stephen Covey</a>&#8216;s <a href="http://en.wikipedia.org/wiki/The_Seven_Habits_of_Highly_Effective_People" target="_blank">The 7 Habits of Highly Successful People</a>, first  published in 1990, is now a classic book in the world of business and  self-help. The seven habits are:</p>
<ul>
<li>Be Proactive</li>
<li>Begin  with the End in Mind</li>
<li>Put First Things First</li>
<li>Think  Win/Win</li>
<li>Seek First to Understand, Then to Be Understood</li>
<li>Synergize</li>
<li>Sharpen  the Saw</li>
</ul>
<p>These habits are worthy of consideration for your  life as a runner or walker, too. Here are my examples of how to apply  these seven habits to your workouts and races.</p>
<p><strong>Habit 1: Be  Proactive</strong></p>
<ul>
<li>If you are going on a group training run  or walk, do not assume that the coaches will have the directions. Print  and carry your own directions and map.</li>
<li>If you see a hazard  along your group&#8217;s training route, let someone such as a coach know  about it. Or protect your fellow trainees from the hazard until everyone  has passed.</li>
<li>If you discover in a training schedule that you  should complete a particular kind of workout, then take time to learn  why and how you should complete it.</li>
</ul>
<p><strong>Habit 2: Begin  with the End in Mind</strong></p>
<ul>
<li>Know the <a href="http://en.wikipedia.org/wiki/Chip_timing" target="_blank">chip-time</a> that you  want to get when you cross the finish line in an upcoming race.</li>
<li>Know  your <a href="http://en.wikipedia.org/wiki/Flexibility_%28anatomy%29" target="_blank">flexibility</a> goals for the coming year.</li>
<li>Know your strength  goals for the coming year.</li>
</ul>
<p><strong>Habit 3: Put First  Things First</strong></p>
<ul>
<li>Take care of injuries before you take  care of improving your performance.</li>
<li>Take care of form before you  take care of improving your performance.</li>
<li>Take care of your  flexibility and core strength before you take care of improving your  performance.</li>
</ul>
<p><strong>Habit 4: Think Win/Win</strong></p>
<ul>
<li>Encourage fellow runners and walkers as much as you encourage  yourself.</li>
<li>Train to improve others&#8217; running or walking  performances in your group training program as much as you train to  improve your own performance.</li>
<li>Race <em>with others</em> as much  as you race <em>against yourself</em>.</li>
</ul>
<p><strong>Habit 5:  Seek First to Understand, Then to Be Understood</strong></p>
<ul>
<li>Listen  emphatically to others during a training run or walk before sharing  your own challenges.</li>
<li>Make a friend with someone struggling  during each race by asking how he or she is doing and inviting him or  her to run or walk with you.</li>
<li>Focus on others&#8217; running or walking  challenges posted online before posting your own.</li>
</ul>
<p><strong>Habit  6: Synergize</strong></p>
<ul>
<li>Ask fellow runners or walkers what  running or walking tricks they use during workouts.</li>
<li>Ask fellow  racers what they say to themselves to make it to the next intersection  or mile marker.</li>
<li>Share your own tricks with other trainees or  racers.</li>
</ul>
<p><strong>Habit 7: Sharpen the Saw</strong></p>
<ul>
<li>Cross-train.</li>
<li>Have  heavy and light running or walking days.</li>
<li>Focus as much on the  mental aspects of running or walking as on the physical aspects.</li>
</ul>
<p>What  would you list under each of these habits? Leave a comment. Thanks!</p>
]]></content:encoded>
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		<title>Marathon Running Tips</title>
		<link>http://www.spryfeet.com/2010/05/13/marathon-running-tips/</link>
		<comments>http://www.spryfeet.com/2010/05/13/marathon-running-tips/#comments</comments>
		<pubDate>Thu, 13 May 2010 23:42:36 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Apparel]]></category>
		<category><![CDATA[Education]]></category>
		<category><![CDATA[Healing]]></category>
		<category><![CDATA[Prevention]]></category>
		<category><![CDATA[Races]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[first marathon]]></category>
		<category><![CDATA[marathon]]></category>
		<category><![CDATA[marathon running]]></category>
		<category><![CDATA[marathon website]]></category>
		<category><![CDATA[marathons]]></category>
		<category><![CDATA[running marathons]]></category>
		<category><![CDATA[ultramarathon]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1677</guid>
		<description><![CDATA[There are some 800 marathons held annually around the world, with some 250 marathons held annually in the USA alone. And only some 1 to 2% of the population has ever run a marathon. If you have decided to run a marathon but do not know where to begin, then here are seven marathon running [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>There are some 800 <a href="http://en.wikipedia.org/wiki/Marathon" target="_blank">marathons</a> held annually around the world, with  some 250 marathons held annually in the USA alone. And only some 1 to 2%  of the population has ever run a marathon.</p>
<p>If you have decided to  run a marathon but do not know where to begin, then here are seven  marathon running tips for you.</p>
<p><strong>Tip #1 &#8211; Expect to train  for several months for your first marathon.</strong></p>
<p>Here is a  secret unknown to most non-marathoners: The marathon is not the  marathon. In other words, the true marathon is the months and months of  training that go into preparing for a single morning of running. If you  have never run the distance of a marathon, you must build your  endurance, and you do this through several months of training.</p>
<p><strong>Tip  #2 &#8211; Join a group training program.</strong></p>
<p>There is nothing  like a group <a href="http://en.wikipedia.org/wiki/Training" target="_blank">training</a> program to teach you how to train for a marathon,  to give you opportunities for long training runs with hydration and  nutrition support beyond what your hydration belt can hold, and to  stimulate a sense of accountability to others that will motivate you to  persist through months of training.</p>
<p><strong>Tip #3 &#8211; Register as  soon as possible for your marathon.</strong></p>
<p>Many marathon  websites make it look as if you have a several-month time window during  which to register. The reality is that many marathons now fill so  quickly that you should register as soon as possible for yours. To be  sure, plan to register within a couple of hours of the opening of online  registration. Yes, registration can be that competitive!</p>
<p><strong>Tip  #4 &#8211; Follow advice from experienced marathoners.</strong></p>
<p>Listen  to experienced marathoners for advice. One of the best pieces of advice  is simple: Do not change anything on race day from what you were doing,  using, wearing, or eating in the weeks leading up to race day.</p>
<p><strong>Tip  #5 &#8211; Take care of yourself.</strong></p>
<p>Be good to yourself. If a  pain persists, then get medical attention. If advised to rest, then  rest. Watch your weight so that you know that you are staying hydrated.  Find foods that nourish you &#8212; both on the road and after long runs.</p>
<p><strong>Tip  #6 &#8211; Get inspiration.</strong></p>
<p>Read books such as <em>50/50</em>,  which was written by <a href="http://en.wikipedia.org/wiki/Ultramarathoner" target="_blank">ultramarathoner</a> <a href="http://en.wikipedia.org/wiki/Dean_Karnazes" target="_blank">Dean Karnazes</a> about his completing  50 marathons in 50 states in 50 days. Watch DVDs about marathons and  ultramarathons. Ask coaches what inspires them to run marathon after  marathon.</p>
<p><strong>Tip #7 &#8211; Expect that your first marathon will be  a success.</strong></p>
<p>The word &#8220;success&#8221; is very subjective. No  matter what success means to you, daily visualize the end-result that  you desire. For example, if success to you means a 5:30:00 chip-time,  then take a few minutes daily to visualize yourself crossing the finish  line with 5:30:00 displayed on your chronograph.</p>
<p>What tips do you have? Please leave a comment here. Thanks!</p>
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		<title>Runner Stretching for Shin Splints</title>
		<link>http://www.spryfeet.com/2010/05/01/runner-stretching-for-shin-splints/</link>
		<comments>http://www.spryfeet.com/2010/05/01/runner-stretching-for-shin-splints/#comments</comments>
		<pubDate>Sat, 01 May 2010 17:19:14 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Education]]></category>
		<category><![CDATA[Healing]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[anterior tibialis]]></category>
		<category><![CDATA[compartment syndrome]]></category>
		<category><![CDATA[foot]]></category>
		<category><![CDATA[human anatomy]]></category>
		<category><![CDATA[human leg]]></category>
		<category><![CDATA[pes planus]]></category>
		<category><![CDATA[runner]]></category>
		<category><![CDATA[runners stretch]]></category>
		<category><![CDATA[shin splints]]></category>
		<category><![CDATA[shins]]></category>
		<category><![CDATA[splints]]></category>
		<category><![CDATA[stress]]></category>
		<category><![CDATA[stress fracture]]></category>
		<category><![CDATA[stretches]]></category>
		<category><![CDATA[stretching]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1475</guid>
		<description><![CDATA[Runner stretching for shin splints is important for recovery from this painful condition. What is a shin splint? &#8220;Medial tibial stress syndrome&#8221; is the medical term for shin splints. The tibia, also known as the shankbone or the shinbone, is the stronger and larger of the two bones in the lower leg (below the knee). [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>Runner stretching for <a href="http://en.wikipedia.org/wiki/Shin_splint" target="_blank">shin splints</a> is important for recovery from this painful condition.</p>
<p><strong>What is a shin splint?</strong></p>
<p>&#8220;Medial tibial stress syndrome&#8221; is the medical term for shin splints.</p>
<p>The <a href="http://en.wikipedia.org/wiki/Tibia" target="_blank">tibia</a>, also known as the shankbone or the shinbone, is the stronger and larger of the two bones in the lower leg (below the knee).</p>
<p>The adjective &#8220;medial&#8221; refers in anatomy to the midline of an animal.</p>
<p>So a shin splint is a syndrome of pain related to stress on the midline side of the tibia.</p>
<p>People can get shin splints because of any of these conditions:</p>
<ol>
<li><strong>Overused muscle</strong>: Running or walking, especially on concrete, can lead to muscle overuse that puts too much stress on the tibia. Because bones are constantly repairing and remodeling themselves, this stress can be so severe that it overtakes the tibia&#8217;s capacity to remodel itself. The result is a <a href="http://en.wikipedia.org/wiki/Stress_fracture" target="_blank">stress fracture</a> that manifests itself with weight-bearing pain that increases as a run progresses.</li>
<li><strong>Chronic compartment syndrome:</strong> Also known as CCS, chronic <a href="http://en.wikipedia.org/wiki/Compartment_syndrome" target="_blank">compartment syndrome</a> refers to a chronic compression of muscle, blood vessels, and nerves inside a closed space &#8212; known as a &#8220;compartment&#8221; &#8212; within the body. CCS as it pertains to shin splints can come from a tibial fracture that leads to a small amount of bleeding into the compartment, which does not stretch because the connective tissue that defines the compartment does not stretch. Or CCS-driven shin splints can come from swelling of muscles in the compartment. No matter the cause of CCS, the result can be an ischemia-driven positive feedback loop of rising pressure and dropping circulation in the compartment that can cause temporary or permanent damage to nearby muscles and nerves.</li>
<li><strong>Pes planus:</strong> Known commonly as flat feet, pes planus causes muscles of the medial shin to become overstretched. This overstretching leads to weakening, which leads to inflammation. This in turn leads to more overstretching of the medial tibial muscles, resulting in a positive feedback loop of increasing inflammation and pain.</li>
</ol>
<p><strong>How can runner stretching alleviate shin splints due to pes planus?</strong></p>
<p>Because a tight calf can overstretch and thereby inflame the anterior tibialis (muscle), one solution to alleviate medial tibial stress syndrome is to stretch the calf so that it stops putting permanent stress on the anterior tibialis.</p>
<p><strong>What are some stretches to loosen the calf muscles?</strong></p>
<ol>
<li>Lie down on your back, and flex your ankles so that your toes point toward your head for five minutes.</li>
<li>Sit down on the floor, pull your knees slightly toward your chest so that your feet are off the floor, and &#8220;draw&#8221; circles in the air &#8212; clockwise and counterclockwise &#8212; with your toes.</li>
<li>Stand one arm&#8217;s length away from a wall, put your hands on the wall at shoulder level, step back with both feet by another foot or so, and keep your legs straight as you lower your heels to the ground and keep them there for a minute. To get a deeper stretch in a calf, move the foot of the other leg forward, place it flat on the floor almost at the wall, and lean slightly into that other leg.</li>
</ol>
<p>Remember to warm up before beginning any stretching.</p>
<p>How do <em>you</em> stretch for shin splints? Please leave a comment here. Thanks!</p>
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		<title>Good Stretches to Do Before Running</title>
		<link>http://www.spryfeet.com/2010/04/15/good-stretches-to-do-before-running/</link>
		<comments>http://www.spryfeet.com/2010/04/15/good-stretches-to-do-before-running/#comments</comments>
		<pubDate>Thu, 15 Apr 2010 14:33:06 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Education]]></category>
		<category><![CDATA[Prevention]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[dynamic stretching]]></category>
		<category><![CDATA[foot]]></category>
		<category><![CDATA[hacky sacks]]></category>
		<category><![CDATA[leg lifts]]></category>
		<category><![CDATA[running shoes]]></category>
		<category><![CDATA[static stretching]]></category>
		<category><![CDATA[stretches]]></category>
		<category><![CDATA[stretching]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1401</guid>
		<description><![CDATA[The best kind of stretching to complete before running is with dynamic stretches. The reason for this is that dynamic stretching, unlike static stretching, does not require warming up first. In fact, dynamic stretches also give your body something of a warm-up as you complete them &#8212; warming up your muscles and increasing your heart [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>The best kind of <a href="http://en.wikipedia.org/wiki/Stretching" target="_blank">stretching</a> to complete before running is with <em>dynamic</em> stretches. The reason for this is that <a href="http://en.wikipedia.org/wiki/Dynamic_stretching" target="_blank">dynamic stretching</a>, unlike <a href="http://en.wikipedia.org/wiki/Static_stretching" target="_blank">static  stretching</a>, does not require <a href="http://en.wikipedia.org/wiki/Warming_up" target="_blank">warming up</a> first. In fact, dynamic stretches  also give your body something of a warm-up as you complete them &#8212;  warming up your muscles and increasing your heart rate.</p>
<p>Here are six dynamic stretches to complete before running. You  should use small movements for the first few repetitions before  increasing your range of motion in later repetitions. You can also  increase your movement speed as these exercises become easier. Complete  all six of these while wearing your running shoes, to give you good footing  for safety.</p>
<p><strong>1. Walking Lunges</strong></p>
<p>This stretch is what it  sounds like. You alternately step with your left and right feet. Take a  big step forward, drop your back knee so that it almost touches the  ground, and make sure that your front knee stays behind the toes of your  front foot. Keep your torso, neck, and head vertical, with your  abdominal muscles tight. Repeat this to get twenty walking lunges.</p>
<p><strong>2. Leg Lifts</strong></p>
<p>These are leg lifts to the <em>side</em>,  not to the front or back. Initially stand up straight on both feet,  with arms akimbo and your shoulders level. Choose a leg, and swing it as  if it were a pendulum ten times &#8212; out to your side and then across the  front of your other leg and out to the other side. Then do the same ten  repetitions with the other leg.</p>
<p><strong>3. Butt Kicks</strong></p>
<p>Stand up straight, take a  small step forward, and, as you do, exaggerate your back kick so that  your heel almost or actually touches your butt cheek (<a href="http://en.wikipedia.org/wiki/Gluteal_muscles" target="_blank">gluteal muscles</a> on  the same side as the kicking leg). Take a total of twenty steps &#8212; ten  repetitions with each leg. To make this more difficult, do it while  jogging instead of walking.</p>
<p><strong>4. Pike Stretch</strong></p>
<p>Begin with your knees on  the ground and your palms flat on the ground immediately below your  shoulders, as if you were about to crawl. Lift your hips so that your  body forms what looks like an inverted V, or pike, resting on the  ground. Both legs should be straight at this point. Lift your right  foot, and rest the toes of your right foot on the heel of your left  foot. Keep your left leg straight as you use your right foot to press  your left heel toward the ground, with your left foot&#8217;s toes curled up  toward your left shin. Release and repeat this stretching of your left  calf for a total of ten repetitions. Then switch feet to complete ten  stretches of your right calf.</p>
<p><strong>5. Hacky Sack</strong></p>
<p>This stretch is named after  the popular game played with one&#8217;s feet and a small bean-bag-like item  known as a Hacky Sack. Stand up straight, with your arms hanging down  straight. Lift your right foot up, across and in front of you such that  you can hit your left hand with your right foot without bending forward.  Do this ten times, then switch legs, and do this ten times with your  left foot hitting your right hand.</p>
<p><strong>6. Toy Soldier</strong></p>
<p>This stretch could also be  called the Dictator Military Walk. Keep your torso, neck, and head  upright as you walk with your knees straight. Swing your left arm in  front of you so that it is parallel to the ground as you swing your  right foot &#8212; with toes flexed &#8212; up to touch your left hand. Then take  your next step so that your right arm is straight out in front of you  and your straight left leg swings up so that your left toes touch your  right hand. Take a total of twenty steps &#8212; ten repetitions on each  side. To make this more difficult, do it while skipping instead of  walking.</p>
<p>What are your favorite stretches? Please leave a comment here. Thanks!</p>
]]></content:encoded>
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		<title>Muscles Used When Running</title>
		<link>http://www.spryfeet.com/2010/04/05/muscles-used-when-running/</link>
		<comments>http://www.spryfeet.com/2010/04/05/muscles-used-when-running/#comments</comments>
		<pubDate>Mon, 05 Apr 2010 14:10:25 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Education]]></category>
		<category><![CDATA[Running]]></category>
		<category><![CDATA[auxiliaries]]></category>
		<category><![CDATA[biceps femoris muscle]]></category>
		<category><![CDATA[calf muscle]]></category>
		<category><![CDATA[extension]]></category>
		<category><![CDATA[gluteus maximus]]></category>
		<category><![CDATA[hamstring]]></category>
		<category><![CDATA[hip flexors]]></category>
		<category><![CDATA[hip joints]]></category>
		<category><![CDATA[hip muscles]]></category>
		<category><![CDATA[human anatomy]]></category>
		<category><![CDATA[knee joints]]></category>
		<category><![CDATA[muscles]]></category>
		<category><![CDATA[muscular system]]></category>
		<category><![CDATA[pelvis]]></category>
		<category><![CDATA[physiology]]></category>
		<category><![CDATA[quadriceps femoris muscle]]></category>
		<category><![CDATA[quadriceps muscles]]></category>
		<category><![CDATA[rectus femoris muscle]]></category>
		<category><![CDATA[vastus lateralis muscle]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=1338</guid>
		<description><![CDATA[There are three types of muscles used when running: Primary Supporting Auxiliary The &#8220;Primary&#8221; Muscles The &#8220;primary&#8221; ones used in running include: The quadriceps femoris The hamstring The gluteus maximus The iliopsoas The calf muscle The quadriceps femoris &#8212; also called the quadriceps or the quadriceps extensor or the quads &#8212; is actually a muscle [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>There are three types of muscles used when running:</p>
<ul>
<li>Primary</li>
<li>Supporting</li>
<li>Auxiliary</li>
</ul>
<p><strong>The &#8220;Primary&#8221; Muscles</strong></p>
<p>The &#8220;primary&#8221; ones used in running include:</p>
<ul>
<li>The <a href="http://upload.wikimedia.org/wikipedia/commons/0/05/Illu_lower_extremity_muscles.jpg" target="_blank">quadriceps femoris</a></li>
<li>The <a href="http://upload.wikimedia.org/wikipedia/commons/d/dc/Gray1239.png" target="_blank"> hamstring</a></li>
<li>The <a href="http://upload.wikimedia.org/wikipedia/commons/7/70/Posterior_Hip_Muscles_3.PNG" target="_blank">gluteus maximus</a></li>
<li>The <a href="http://upload.wikimedia.org/wikipedia/commons/e/e2/Anterior_Hip_Muscles_2.PNG" target="_blank">iliopsoas</a></li>
<li>The <a href="http://upload.wikimedia.org/wikipedia/en/1/1b/Kaleb%27s_calf.JPG" target="_blank"> calf muscle</a></li>
</ul>
<p><span style="text-decoration: underline;">The quadriceps femoris</span> &#8212; also called  the <em>quadriceps</em> or the <em>quadriceps extensor</em> or the <em>quads</em> &#8212; is actually a muscle group that comprises several ones on the  front of a thigh, including:</p>
<ul>
<li>The rectus femoris</li>
<li>The  vastus medialis</li>
<li>The vastus lateralis</li>
<li>The vastus  intermedius</li>
</ul>
<p>A quadriceps muscle group on a thigh moves two  joints &#8212; the hip joint and the knee joint &#8212; specifically to flex  (bend) the hip and to extend (straighten) the knee.</p>
<p><span style="text-decoration: underline;">The  hamstring</span> comprises four on the back of the left or right thigh, including:</p>
<ul>
<li>The  semitendinosus</li>
<li>The semimembranosus</li>
<li>The biceps femoris  long head</li>
<li>The biceps femoris short head</li>
</ul>
<p>All four in a hamstring move a knee joint &#8212; specifically to flex  the knee.</p>
<p>Three of the four in a hamstring move a hip  joint &#8212; specifically to extend the hip. Because the biceps femoris  short head crosses only one joint &#8212; the knee &#8212; it does not participate  in hip extension.</p>
<p><span style="text-decoration: underline;">The gluteus maximus</span> is one of the three  gluteal muscles, is the most superficial and largest among them, and is  the primary contributor to the shape of the buttocks.</p>
<p>The primary  purpose of the gluteus maximus is to maintain the trunk of the body in  the erect posture &#8212; that is, to extend the hip. This explains why other  primates, which ambulate on all fours, tend to have much flatter  buttocks than the buttocks of humans.</p>
<p><span style="text-decoration: underline;">The iliopsoas</span> &#8212; also  called the <em>hip flexors</em> &#8212; is actually a muscle group that  comprises two muscles:</p>
<ul>
<li>The iliacus</li>
<li>The psoas major</li>
</ul>
<p>The iliacus, which is the shorter of these two,  originates on the iliac fossa of the ilium (on the pelvic crest) and  attaches on the femur (the thigh bone). The psoas major originates on  the T-12 to L-5 vertebrae (of the spine) and attaches to the femur.</p>
<p>The  iliopsoas &#8212; with the psoas major doing the majority of the work &#8212;  supports hip flexion.</p>
<p><span style="text-decoration: underline;">The calf muscle</span> &#8212; considered by some  anatomists to be a single muscle called the <em>triceps surae</em> &#8212;  is usually seen as a muscle group that comprises:</p>
<ul>
<li>The  gastrocnemius</li>
<li>The soleus</li>
</ul>
<p>The purpose of the calf  muscle is to plantar flex the ankle and to flex the knee.</p>
<p><strong>The  &#8220;Supporting&#8221; Muscles</strong></p>
<p>The &#8220;supporting&#8221; ones used in  running include:</p>
<ul>
<li>The biceps brachii</li>
<li>The upper  abdominals</li>
<li>The lower abdominals</li>
</ul>
<p><span style="text-decoration: underline;">The biceps  brachii</span> &#8212; also known more simply as the <em>biceps</em> &#8212; is a  muscle on the upper arm whose purpose is to rotate the forearm and to  flex the elbow. Because running is more efficient when the elbow is  bent, the biceps brachii supports running.</p>
<p><span style="text-decoration: underline;">The upper abdominals</span> comprises the muscles in the upper half of the abdomen.</p>
<p><span style="text-decoration: underline;">The  lower abdominals</span> comprises those in the lower half of the  abdomen.</p>
<p>Together, the upper and lower abdominals support the core  strength that runners need for maintaining good posture, which is  crucial for maximizing performance and avoiding injury. Because running  can cause a lot of rotation of the spine, it is important to have strong  upper and lower abdominals to stabilize the spine and to minimize the  dissipation of energy during the transfer of power to the extremities.</p>
<p><strong>The  &#8220;Auxiliary&#8221; Muscles</strong></p>
<p>Some would say that technically  there are no &#8220;auxiliary&#8221; ones used in running. But others would point  out that your entire body is involved when running and therefore that  you could list ones such as these:</p>
<ul>
<li>The external  intercostals</li>
<li>The internal intercostals</li>
</ul>
<p><span style="text-decoration: underline;">The  external intercostals</span> aid in forced inhalation.</p>
<p><span style="text-decoration: underline;">The  internal intercostals</span> aid in forced exhalation.</p>
<p>And  the list could be supplemented with others in the body, such as  those that help you to keep your head erect while running.</p>
<p><strong>What  This All Means</strong></p>
<p>The more that you know about the muscles  used when running, the better you will become at strengthening and  caring for them!</p>
]]></content:encoded>
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		<title>10,000-Steps-per-Day Programs</title>
		<link>http://www.spryfeet.com/2009/09/20/10000-steps-per-day-programs/</link>
		<comments>http://www.spryfeet.com/2009/09/20/10000-steps-per-day-programs/#comments</comments>
		<pubDate>Sun, 20 Sep 2009 19:56:45 +0000</pubDate>
		<dc:creator>Kirk Mahoney, Ph.D.</dc:creator>
				<category><![CDATA[Education]]></category>
		<category><![CDATA[Walking]]></category>
		<category><![CDATA[pedometers]]></category>

		<guid isPermaLink="false">http://www.spryfeet.com/?p=570</guid>
		<description><![CDATA[I first heard about the idea of walking 10,000 steps per day (10K steps/day) back in 2001, when I bought pedometers for my wife and me. There are many reasons to walk &#8212; or run &#8212; at least 10K steps/day. Among these are improved circulation, decreased stress, and improved sleep. And many people start these [...]]]></description>
			<content:encoded><![CDATA[<p></p><p>I first heard about the idea of walking 10,000 steps per day (10K steps/day) back in 2001, when I bought pedometers for my wife and me.</p>
<p>There are many reasons to walk &#8212; or run &#8212; at least 10K steps/day. Among these are improved circulation, decreased stress, and improved sleep. And many people start these programs to lose weight.</p>
<p>But where does one find a 10K-steps/day program?</p>
<p>When I began this research, I tried to find a comprehensive review of 10K-steps/day programs, but nobody had written one.</p>
<p>So I embarked on my own quest to find as many of these programs as possible and then compare and contrast them.</p>
<p>And you want to know something? I had no idea that I would find as many as I did &#8212; eleven programs, with ten of them available to individuals!</p>
<p>I eventually learned that there were some popular characteristics shared by many of the programs. But I also discovered that not all programs are equally valuable.</p>
<p>I ended up writing a special report &#8212; titled &#8220;10K-Steps/Day Programs&#8221; &#8212; that I want you to have FREE.</p>
<p>And it is super-easy to get this report.</p>
<p>Simply enter your first name and email address in the fields below and then click &#8220;EMAIL ME THE REPORT!&#8221; to get it right away. I hope that you enjoy it!</p>
<p><script src="http://forms.automateyourlist.com/form/99/1485789999.js" type="text/javascript"></script></p>
]]></content:encoded>
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