Chapter 10: Muscular System Review

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Vocabulary flashcards for the muscular system.

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16 Terms

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Fascicle Arrangements

Parallel, Convergent, Pennate, Circular

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Origin of a Muscle

The fixed attachment; usually proximal

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Insertion of a Muscle

The movable attachment; usually distal

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Agonist or Prime Mover

A muscle responsible for a specific movement

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Antagonist

A muscle that opposes the action of the agonist

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Synergist

A muscle that assists the agonist

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Isometric Contraction

Muscle tension without a change in length

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Isotonic Contraction

Muscle changes length to produce movement

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Types of Isotonic Contractions

Concentric and Eccentric

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Concentric Contraction

Muscle shortens while producing force

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Eccentric Contraction

Muscle lengthens while producing force

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Muscle Names

Names often describe action, shape, location, or number of origins

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Example of a Name Describing Function

Flexor carpi radialis - flexes the wrist

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Major Muscle Divisions

Axial and Appendicular muscles

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Axial Muscles

Support and position the head, neck, and trunk

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Appendicular Muscles

Support limbs and control limb movements