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PT203 Quiz 2

Quiz 2 Material

TermDefinition
muscle tone keeps the body in position
tendon a bond of connective tissue that attaches a muscle to a bone
neuromuscular junction a point at which a nerve fiber contacts a muscle cell
contractility a muscle fiber's capacity to undergo shortening and to change its shape, becoming thicker
insertion the attachment to the body part that the muscle puts into action
antagonist a muscle that produces an opposite movement to that of the prime mover
synergists a helping muscle, they work with the prime movers to accomplish a movement
orbicularis oculi encircles eyelid
intercostal muscles attach to and fill the spaces between the ribs
my/o muscle
brachi/o arm
quadr/i four
neurotransmitter a chemical classified to release from a neuron to stimulate the muscle fiber
origin muscle attachment connected to a nonmoving part
deltoid covers the shoulder joint to the lateral humerus. Abducts the arm.
gastrocnemius calf of the leg, to calcaneus, inserting by the Achilles tendon, plantar flexes foot at ankle
tibialis anterior anterior and lateral shin, to foot
Created by: pierce258