Weight Training

Weight Training - DIET & EXERCISE PF&W 1112-301...

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DIET & EXERCISE Nutrition Notes for Lectures: 1/28/08 & 2/4/08
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Importance of Weight Training Can alleviate lower back pain, one of the most common health ailments in the U.S. Wolfe’s law: If a stressor that is neither to strong or to frequent is applied to the body, then it will adapt and thereby grow stronger (!) Improves posture, which affects appearance and gait, (along with all the problems that come with it)
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Muscle Physiology -Myosin chains pull and actin in order to shorten a muscle fiber -May not look like much difference, but when in series of 1000+, the difference adds up. -During heavy lifting, these units break down, but in the rebuilding process, the body more than replaces the lost units. This is the basis of strength training. -Generated from chemical signaling.
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Muscle Fiber Types This is the genetic portion of muscle growth, and therefore body type. Type I “Slow Twitch or Endurance Fibers” -High endurance, low strength (!). -smaller in diameter, do not widen much with training. -
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This note was uploaded on 04/10/2008 for the course PFW 1112 taught by Professor Young during the Spring '08 term at Texas Tech.

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Weight Training - DIET & EXERCISE PF&W 1112-301...

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