In this lesson, we introduce the anatomy of muscle movement through muscle contraction.
Objective
Gain an understanding of how muscles move and learn the related terminology
Description
Explain the purpose of muscle and how muscle movement happens. Define muscle contraction and explain how origin and insertion points relate to it. Name three types of muscle contraction and provide an example for each. Explain the agonist and antagonist muscle relationship and reciprocal inhibition, and how to use this knowledge in practice. Explain muscle cramping, why a muscle might cramp, and what might help.
Vocabulary
agonist, agonist-antagonist relationship, antagonist, concentric contraction, eccentric contraction, fixator muscle, insertion, isometric contraction, isotonic contraction, muscle contraction, origin, origin & insertion points, prime mover, reciprocal inhibition, stabilizer muscle, synergist muscles
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