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26 Cards in this Set
- Front
- Back
- 3rd side (hint)
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sagittal plane
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divides body into right and left
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frontal plane
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divides body into front and back
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transverse plane
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divides body into top and bottom
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biomechanics
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study of motion produced by body and forces that are on it
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flexion - muscle flex
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angle of joint decreases
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occurs on saggital plane
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extension
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angle of joint increases
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occurs on saggital plane
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abuction
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takes extremity away from the midline
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occurs on frontal plane
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adduction
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takes extremity toward the body
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occurs on the frontal plane
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scapular retraction
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shoulder blades come closer together
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scauplar protraction
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shoulder blades move further away
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scapular depression
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shoulder blades move down and together
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scapular elevation
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shoulder blades move up and away
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central nervous system
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brain and spinal cord
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peripheral nervous system
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all nerves outside spinal column
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muscles
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long cells that contract
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concentric contraction
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muscle gets shorter
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eccentric contraction
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lengthening of muscle
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isometric contraction
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muscle maintaining length
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motor neuron
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a single nerve and muscle fiber
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neuromuscle junction
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nerve joins muscle fiber
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bones
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skeletal system
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cartilage
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between bones, shok absorbers and lubrication
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joint
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2 bones meet with ligament, cartilge and muscles
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ligament
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connect one bone to another allows movement one way and not another
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posture
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muscles and bones held together
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patella
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knee
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