Term
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Definition
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Term
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Definition
Axillary n
Posterior humeral circumflex a. |
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Term
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Definition
Radial n
Profunda brachii a. |
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Term
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Definition
| adducts and medially rotates the humerus |
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Term
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Definition
| Lateral rotation of the humerus |
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Term
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Definition
| lateral rotation of the humerus |
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Term
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Definition
| Initiates abduction of the humerus at the glenohumeral joint; Laterally rotates the humerus when decelerating the arm in a throwing motion. |
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Term
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Definition
| Medial rotation of the humerus |
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Term
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Definition
Abduction after the first 15 degrees.
Anterior head flexes and medially rotates the humerus.
Posterior head extends and laterally rotates the humerus |
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Term
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Definition
Downward rotation of scapula.
Elevates and retracts scapula with trapezius.
Laterally flexes neck if scapula is fixed. |
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Term
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Definition
Retraction of scapula;
elevation of medial border
of scapula |
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Term
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Definition
| Adduction, extension, medial rotation of the humerus |
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Term
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Definition
Lower fibers depress scapula,
Middle fibers retract scapula,
Upper fibers elevate scapula |
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Term
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Definition
Ipsilateral contraction laterally flexes the head and cervical vertebrae,
Bilateral contraction of upper fibers extends the head |
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