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26 Cards in this Set

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