| elevates clavicle, adducts, elevates, or depresses scapula, extends head |
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| elevates and protrudes mandible, assists in side-to-side movements of mandible |
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| flexion and rotation of head |
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| depresses or helps fix the hyoid |
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| extension of head; lateral flexion and rotation of cervical spine |
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| flexes and rotates neck |
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| elevates scapula |
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| fixes scapula against ribs |
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| pulls scapula anteriorly |
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| adducts scapula |
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