Summary: Gross Muscle Physiology: Muscle Movement
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10.1 gross muscle physiology: muscle movements
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usually, the bulk of skeletal muscle lies __ to the joint crossed
proximal (superior) -
all skeletal muscle have at least two attachements;
origin and insertion -
during contraction, a skeletal muscle __ moves toward the __
insertion towards the origin -
antagonistic muscle pairs perform
opposite movements across the same joint -
muscles are attached at two points
origin and insertion -
attachment to a bone that doesn't move much
origin -
attachment to a bone that usually moves
insertion -
decreases the angle of the joint
flexion -
brings two bones closer together
flexion -
typical of bending hinge joints or ball-and-socket joints
flexion
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