used in winking and blinking

originates in thoracic, lumbar and sacral vertebrae and crest of ilium; inserts in head of humerus

originates in thoracic, lumbar and sacral vertebrae and crest of ilium; inserts in head of humerus

used in winking and blinking

muscle opens jaw when head is pulled back

anterior upper arm

muscle of anterior lower leg

posterior thigh muscles

tetan-

posterior upper arm