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Monster Media 1996 #15
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Monster Media Number 15 (Monster Media)(July 1996).ISO
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vocab211.zip
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MUSCLE.DAT
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1994-08-10
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skeletal muscle voluntary muscles used to move bones
smooth muscle involuntary muscles in internal organs
cardiac muscle heart muscle
myosin thick filaments in a muscle
actin thin filaments in a muscle
filament the actin or myosin
cross bridges connecting links in a muscle between actin and myosin
sliding filamentthe theory that muscles contract as actin/myosin slide
tendon connective tissue joining a muscle to a bone
muscle fibers muscle cells
gastrocnemius muscle of calf of leg - points foot down
rectus femoris muscle in thigh of leg - straightens leg at knee
rectus abdominussheets of muscle in abdominal area - used to do sit up motion
external obliquemuscle to side of abdomen - cause twisting motion
triceps muscle at back of arm - straightens arm at elbow
biceps muscle at front of arm - bends arm at elbow
pectoralis muscle in chest wall - moves arm from side to side
deltoid muscle in shoulder - lifts arm
trapezius muscle between neck and shoulder - lifts shoulder
masseter muscle in jaw - causes chewing motion
frontalis muscle in forehead - lifts eyebrows
latissmus dorsi (lats) muscle on back below shoulder - pulls shoulder down
gluteus maximus muscle at top of leg - pulls leg back or pushes down with leg
origin the end of the muscle attached to a bone that does not move
insertion the end of the muscle attached to a bone that moves
myofibril the part of a muscle cell containing the actin & myosin filaments