Strength_Training_modified

Strength_Training_modified - Confidential and propr ietar y...

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Unformatted text preview: Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM I ntegrated Strength Training Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM What is Strength? The ability of the neuromuscular system t o provide inter nal tension and exer t force against ext er nal resistance Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM Why is Strength Training I mpor tant? Aerobic exercise improves cardiorespirat or y fitness, but does little to improve muscular strength I mpor tant for athletic per for mance and doing the nor mal activities of daily living Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM Systems I nvolved in Strength Development Neuromuscular system Ner ves connect with muscles and, depending on the stimulus, tells the muscles to contract (development of inter nal tension) The higher the stimulus (weight), the more muscle fibers are told to contract The more fibers that contract, the more resistance we can overcome (strength) Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM Systems I nvolved in Strength Development Musculoskeletal system Bones, muscles, and tendons create a ser ies of levers and pulleys that generate force against exter nal objects Par ticular attachments of muscles to bones will deter mine how much force the muscle is capable of generating Biomechanics Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM Types of Muscle Contractions that Need to be Trained Concentr ic contraction Muscle shor tening occurs while tension is developed to overcome a resistance Eccentr ic contraction Muscle contraction that involves a lengthening of the muscle I sometr ic contractions Muscle contraction that produces tension but does not result in a change of muscle length Considerable force can be generated without movement occur r ing Confidential and propr ietar y National Academy of Spor ts Medicine 2007 TM All should be incor porat ed int o training overall strength I n all movement we need to slow forces down (eccentr ic), stabilize joints (isometr ic) and produce force (concentr ic) I n movement, most injur ies occur...
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Strength_Training_modified - Confidential and propr ietar y...

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