originates in thoracic, lumbar and sacral vertebrae and crest of ilium; inserts in head of humerus
used in winking and blinking
used in winking and blinking
muscle opens jaw when head is pulled back
muscle opens jaw when head is pulled back
anterior upper arm
anterior upper arm
muscle of anterior lower leg
muscle of anterior lower leg
posterior thigh muscles
posterior thigh muscles
tetan-
tetan-
posterior upper arm
posterior upper arm
abdominal muscle whose fibers run across the abdomen
abdominal muscle whose fibers run across the abdomen
flexes forearm
flexes forearm