If you do the same activity over and over again your muscles can become tired and sore. They may even refuse to move. Why does this happen? When muscles are exercised a lot, they need large amounts of food and oxygen. Blood brings food a...
http://www.ebsinstitute.com/Baseball/EBS.crb3df.html
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This article was sent to me by a fellow SCAQ swimmer after reading about the lactic acid sets that Olympian/NCAA Champ, Rada Owen, and Olympian/bronze medalist Erik Hockstein conduct every Sunday for SCAQ Swimmers. Here is some astonishing ...
http://scaq.blogspot.com/2008/02/why-do-muscles-get-tir...
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How do skeletal muscles "learn" ? ... Skeletal System Lab.
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www.tburg.k12.ny.us/ulrich/tired_muscles.htm
www.tburg.k12.ny.us/ulrich/tired_muscles.htm
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Have you ever felt like your muscles just can't move anymore? Or gotten that "heavy" feeling in your muscles? Here's what's happening. The whole concept of muscle fatigue is not completely understood, however there are many possibilities. ... Why do muscles get tired?
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www.bio.davidson.edu/Courses/anphys/1999/Balsinger/fati...
www.bio.davidson.edu/Courses/anphys/1999/Balsinger/fatigue.html
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Humans have over 650 muscles which differ in size according to the jobs they do. These muscles constitute 40% of body weight. The special function of muscle tissue is contraction. There are three kinds of muscle tissue: striated muscle, smooth muscle, and cardiac muscle.
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www.american.edu/adonahue/k14muscles.htm
www.american.edu/adonahue/k14muscles.htm
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Myasthenia gravis is a condition where muscles become easily tired and weak. It is due to a problem with how the nerves stimulate the muscles to contract. The muscles around the eyes are commonly affected first. This causes drooping of the eyelid and double vision. ... Muscles around the face and throat are also often affected.
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www.patient.co.uk/showdoc/23069148/
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We may be able to sit "properly" for 10-12 minutes, but after that our muscles become tired and we fall in to bad posture, most often using a back rest. We get involved in what we are doing on our computer, and forget about our bodies.
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www.healthtrek.net/sleepymuscles.htm
www.healthtrek.net/sleepymuscles.htm
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goodtoknow says: Myasthenia Gravis is a rare auto-immune disease. The name means 'grave muscle weakness' but modern treatments and medication mean the condition is not as 'grave' as it once was. ... Myasthenia gravis is a condition where muscles become easily tired and weak. It is due to a problem with how the nerves...
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www.goodtoknow.co.uk/print/142318/Myasthenia-Gravis
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Mirror neurons typically become active when a person consciously imitates an action of someone else, a process associated with learning. But the neurons are uncharacteristically silent during contagious yawning, the researchers in the Finnish study found.
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www.world-science.net/exclusives/050309_yawnfrm.htm
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