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SICKSIST

SICKSIST

Humerus, Radius, Ulna

Humerus, Radius, Ulna

humerus attachments | Lecture 10: Axial Skeleton II and Appendicular Skeleton

humerus attachments | Lecture 10: Axial Skeleton II and Appendicular Skeleton

Muscle Identification

Muscle Identification

Anterior view of the bones of the right shoulder, showing the clavicle (collarbone), scapula (shoulder blade), and humerus (upper arm bone).

Anterior view of the bones of the right shoulder, showing the clavicle (collarbone), scapula (shoulder blade), and humerus (upper arm bone).

The humerus is essential for movement because it is the site of many muscle and ligament attachments. Find out the uses and function of our forearm bones http://www.learnbones.com/arm-bones-anatomy/

The humerus is essential for movement because it is the site of many muscle and ligament attachments. Find out the uses and function of our forearm bones http://www.learnbones.com/arm-bones-anatomy/

Relatable.

Relatable.

Extensor carpi ulnaris ORIGINATES from the 1. lateral epicondyle of the humerus and 2. posterior border of the ulna, and crosses the forearm to the ulnar (medial) side to INSERT at the base of the 5th metacarpal. It extends the wrist, but when acting alone inclines the hand toward the ulnar side; by its continued action it extends the elbow-joint.

Extensor carpi ulnaris ORIGINATES from the 1. lateral epicondyle of the humerus and 2. posterior border of the ulna, and crosses the forearm to the ulnar (medial) side to INSERT at the base of the 5th metacarpal. It extends the wrist, but when acting alone inclines the hand toward the ulnar side; by its continued action it extends the elbow-joint.

Humerus

Humerus

Bones of the Axial Skeleton

Bones of the Axial Skeleton

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