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Week 8 Quiz 6

Masterbooks Intro to A&P Volume 1

antagonistic muscles that work opposite each other
intercostal muscles located between the ribs
orbicularis oculi muscle encircles each eye; helps us to blink, wink, and squint
deltoid muscle the round muscle over the cap of the shoulder
rotator cuff the name for the four muscles that hold the humerus in the shoulder joint
trapezius the triangular-shaped muscle in the upper back, helping connect the pectoral girdle to the thorax
pectoralis major muscle the primary muscle of the chest
rectus abdominis this long muscle on the front wall of the abdomen helps keep the pelvis stable as we walk
anterior means "in the front"
posterior means "in the back"
occipitofrontalis the main muscle across our forehead; elevates the eyebrows
orbicularis oris helps you close your mouth
mentalis muscle on the front of the lower jaw; helps wrinkle the chin
buccinator compresses the cheek and helps keep food in place as we chew
gluteus maximus biggest muscle in the body
heart hardest working muscle in the body
achilles strongest tendon in the body
hamstring muscle at the rear of the thigh
supra means "above"
infra means "below"