What Is a Contraction in Which the Muscle Shortens and Work Is Done?

Answer

A contraction in which the muscle shortens and work is done is referred to as a concentric contraction. This type of muscle contraction usually produces a force that is large enough to overcome the resistance of the load.
Q&A Related to "What Is a Contraction in Which the Muscle Shortens..."
This is muscle flexion or isotonic contraction.
http://wiki.answers.com/Q/What_is_a_contraction_in...
In concentric contraction, the muscle length
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c. myofibrils. Shortening of the sarcomeres in a myofibril produces the shortening of the myofibril and, in turn, of the muscle fiber of which it is a part. Source(s) http://users.rcn.com
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Isotonic contraction, specifically the concentric type.
http://www.answerbag.co.uk/q_view/1016876
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