PED notes (test 2)

PED notes (test 2) - I. Strength: How to Develop and...

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I. Strength: How to Develop and maintain It: A. Muscular Strength- Ability to generate force during a maximal effort. B. Muscular Endurance- Exerting a muscular force over a prolonged period of time. C. Strength is determined by 2 factors: 1. Muscle size -Hypertrophy- Increase in muscle size due to activity. -Atrophy- Decrease in muscle size due to inactivity. D. Determination of Strength (continued) 1. Neutral Facilitation- Ability of or efficiency of the nervous system to activate the muscle fibers. -Ability to recruit motor units. E. Muscle Fiber Types: 1. Slow twitch fibres (aerobic) 2. Fast twitch fibers (anaerobic) -Fast-glycolytic (FG) -Fast-oxydative-glycolytic F. The Role of Strength in Life: 1. Improves: -Physical skills/activities -Injury Prevention -Mental Health/Self Image -Lifetime muscle and bone health -Lean body mass -Chronic disease prevention G. Muscle Terminology 1. Testosterone: -Principle male hormone 2. Tendons -Attach muscle to bone 3. Ligaments -Attach bone to bone II. 4 Functions muscles perform: 1. Muscles Most Involved (MMI) -Muscles or muscles that cause or control movement. 2. Contralateral muscles -Muscles opposite the MMI 3. Guiding Muscles -Muscles located on either side of MMI and help to rule out undesired action. 4. Stabilizing Muscles -Muscles which hold one body part to allow another body part to move. A. Why is there a difference in size of muscles between individuals?
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PED notes (test 2) - I. Strength: How to Develop and...

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