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Muscular System (Functions (Body Movement (skeletal muscles attached to…
Muscular System
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Movement Terminology
Bending a joint (knee, elbow,shoulder, hip)
Straightening a joint (knee, elbow, shoulder, hip)
Taking limb away from mid-line of body (Shoulder, hip)
Bringing limb into mid-line of body (Shoulder, hip)
Pivoting around longitudinal axis (shoulder, hip)
Types of Muscles
Involuntary, unstrained, does not fatigue, help hollow organs contract (bladder to push out urine)
Involuntary, does not fatigue, some striations, contract heart chambers to move blood to body.
Voluntary, has striations, fatigues, attached to bones via tendons, movement occurs during shortening or lengthening (biceps, quadriceps)
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An antagonistic pair are two muscles that oppose each other like the hamstrings and quadriceps in squats.
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