LFIT - resistance

LFIT - resistance - Strength is defined as the ability of...

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Strength is defined as the ability of the neuromuscular system to provide internal tension and exert force against external resistance. o It is important because aerobic exercises improves cardio respiratory fitness but does little to improve muscular strength. Muscular strength is importance for both athletic performance and normal activities such as bending, turning, and lifting. Systems involved in strength development: o Muscular system and nervous system comprise the neuromuscular system Nerve connect with muscles and depending on the stimulus, tells the muscles to contract (development of internal tension) The higher the stimulus (weight) the more muscles fibers are told to contract The more fibers that contract, the more resistance we can overcome (strength) Improvements in strength can be due to either: o Improvements in nervous system: a common example of nervous system improvement can be seen when someone initially begins a strength training program o Improvements in the muscular system: rapid improvements in strength can
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This note was uploaded on 02/23/2012 for the course WMST 101 taught by Professor Burns during the Fall '08 term at UNC.

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LFIT - resistance - Strength is defined as the ability of...

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