Lateral view, left side
Lateral view, left sideCat information:
triceps brachii, lateral head
origin: shaft of humerus
insertion: olecranon process of
ulna
nerve: radial
action: extension of forearm
Posterior view, left side
Posterior view of origin, right side
Posterior view of insertion, right sideHuman information:
triceps brachii, lateral head
origin: posterior surface of
humerus proximal to the spiral groove
insertion: olecranon process of
ulna
nerve: radial (C7-C8)
action: extension of
forearm (elbow)
The above drawings of the origin and insertion might help visualize this information (red is the origin, blue the insertion).
COPYRIGHT
2008 by William C. Johnson II
ALL RIGHTS RESERVED!
