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humerus
humerus
7
Anatomy
Undergraduate 1
02/24/2011

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Cards

Term
[image]
Definition
Intertubercular (bicipital) groove
Term
Surgical Neck
Definition
distal to the tubercles. Most frequently fractured part of the humerus.
Term
Deltoid tuberosity
Definition
Midway down the shaft on the lateral side. This V-shaped area is the attachment site for the deltoid muscle.
Term
Medial Tuberosity and Lateral Supracondylar ridges
Definition
Flattened ridges on the distal end.
Term
[image]
Definition
Extensor Carpi Radialis Brevis

Origin: Lateral supracondylar ridge of humerus

Insertion: Base of 2nd metacarpal

Action: Extension and abduction at the wrist
Term
[image]
Definition
Extensor Carpi Ulnaris

Origin: Lateral epicondyle of the humerus; ulna

Insertion: Base of 5th metacarpal

Action: Extension and adduction at the wrist
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