<span>An example of concentric contraction is doing a biceps curl. The curl exercise is targeting the biceps muscles on the front of the upper arm and only several muscles assist during the movement. Moreover, concentric muscle contraction is a type of muscle activation that increases the tension on a muscle as it shortens and this activation begins the process of muscle strengthening and hypertrophy. </span>
Circuit training involves a series of strength training exercises with incomplete recovery. Thegoal of circuit training is to accumulate lactic acid and release growth hormone in the body. You can expect to see increases in work capacity and muscular endurance but not increases in speed or strength.Mar 17, 2011.hope this help please let me know
The answer is B. You don't want to put too much stress on those 2 areas or else they might get tired more easily
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then yea it might be wrong, it depends why they are having trouble breathing
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