A&P CH7 Skeletal System Types of Joint Movement
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| flexion | bending parts at a joint so that the angle between them decreases and the parts come closer together (bending the lower limb at the knee)
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| extension | straightening parts at a joint so that the angle between them increases and the parts move farther apart (straightening the lower limb at the knee)
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| dorsiflexion | bending the foot at the ankle toward the shin (bending the foot upward)
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| plantar flexion | bending the foot at the ankle toward the sole (bending the foot downward)
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| hyperextension | excess extension of the parts at a joint, beyond the anatomical position (bending the head back beyond the upright position)
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| abduction | moving a pat away from the midline (lifting the upper limb horizontally to form a right angle with the side of the body
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| adduction | moving a part toward the midline (returning the upper limb from the horizontal position to the side of the body
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| rotation | moving a part around an axis (twisting the head from side to side)
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| circumduction | moving a part so that its end follows a circular path (moving the finger in a circular motion without moving the hand)
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| pronation | turning the hand so that the palm is downward or facing posteriorly (in anatomical position)
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| supination | turning the hand so that the palm is upward or facing anteriorly (in anatomical position)
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| eversion | turning the foot so that the sole faces laterally
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| inversion | turning the foot so that the sole faces medially
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| retraction | moving a part backward (pulling the chin backward)
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| protraction | moving a part forward (thrusting the chin forward)
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| elevation | raising a part (shrugging the shoulders)
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| depression | lowering a part (drooping the shoulders)
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