PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Henry is getting ready to kick a field goal. When his thigh muscle contracts to straighten his knee right before the kick, this is known as ____ contractions?
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Concentric
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Eccentric
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Isometric Contraction
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Isokinetic Contraction
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Explanation:
Detailed explanation-1: -Concentric Muscle Contraction If you extend your knee to a straight leg, your quadriceps are concentrically contracting.
Detailed explanation-2: -For example, when you lift a barbell, you are using concentric contractions; as you lower it, eccentric contractions are at play. Movements that employ eccentric contractions include walking down stairs, running downhill, lowering weights, and the downward motion of squats, push-ups or pull-ups.
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