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Supinator

Last updated on Monday, April 27 2009 by blondarb

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Muscle Name: supinator

AKA:  Musculus supinator

Abbreviation:  

Spinal Nerve Roots:
    C6
    C7

Brachial Plexus Trunks:
    upper trunk
    middle trunk

Brachial Plexus Cords:
    posterior cord

Named Nerves:
    radial nerve

Proximal Attachment:  Lateral epicondyle of humerus, supinator crest of ulna, radial collateral ligament, annular ligament

Distal Attachment:  Lateral proximal radial shaft

Action:  Supinates the forearm.

Needle Insertion:  3 centimeters distal to the midpoint between the lateral epicondyle and the olecranon process.

Activation for EMG:  Supinate the forearm.

Pitfalls:  

Notes: