Answered: Sit relaxed with your arm resting on…

Sit relaxed with your arm resting on the table, with the palm of the hand supinated. Flex the elbow joint. What type of contraction did you perform?

Lifetime Physical Fitness & Wellness

15th Edition

ISBN:9781337677509

Author:HOEGER

Publisher:HOEGER

Chapter7: Muscular Fitness

Section: Chapter Questions

Problem 10AYK

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Concept explainers

Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.

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Sit relaxed with your arm resting on the table, with the palm of the hand supinated. Flex the elbow joint. What type of contraction did you perform?

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