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13 Cards in this Set
- Front
- Back
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asymmetrical tonic neck (ATNR)
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Position: supine, head in mid-line,arm & legs extended
Stimulus:turn the head to one side response:extension of the arm & leg on the face side,flexion of the arm on the skull Normal up to 4-6 months |
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Symmetrical tonic neck ( STNR)
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Position:quadruped over the tester's knees
Stimulus:flexed the head or Ext. it response:with head flexion: arms flex, legs extend, with head extension-arms ext & legs flex normal up to 6-8 months |
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Symmetrical tonic
labyrinthine(TLR) |
Position:supine with head in mid-line or prone w/ the head in midline
Stimulus:Supine or prone( the position is the stimulus) Response:supine, extensor tone dominates when the arms orlegs arepassively flexed. proneflexor tone dominates normal up to 6 months |
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positive supporting
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Position: hold patient in the standing position
Stimulus:bounce on the soles of the feet several times response:increase extensor tone in the legs, plantar flexion mat occur normal up to 2-6 months |
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spinal reflexes
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generally short duration
characterized by a pattern of reciprocal inhibition |
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brainstem level
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these are tonic reflexes b'cause of their long duration,
characterized by co-contraction of antagonist & agonist-enabling the body to have primitive forms of posture |
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Midbrain level
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the reflexes at this level align the body with respect to gravity
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neck righting action on the body (NOB)
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Position"supine with head in mid-line, arms & legs extended
stimulus:passively turn the head to one side response:body rotates as a whole in the same direction as the head to align the body with the head normal up to 6 months |
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Body righting acting on the body(BOB)
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Position:supine with the head in mid-line, arms & legs extended
stimulus passively turn the head to one side response:segmental rotation of the trunk between the shoulders & pelvis normal form 6 to 18 months |
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Labyrinthine head righting
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position: vision occluded
a-holding child prone b-holding child supine c-holding child upright Stimulus: the position b-the position c-tilt to the right d- tilt to the left Response:a-d,head raises to normal, face vertical, mouth horizontal normal a one moths,b-d 6 months & persist throughout life |
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Optical Righting
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same as Labyrinthine head righting without the vision occluded
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Protective extension
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Position:position will vary with age
stilmulus: displace COG out side the BOS response:protective extension of arms or legs to support the body from falling normal for these depend upon the position & the age protective extension in -forward sitting 4-5 months. in -sideward sitting 6-7 months in backwards sitting 8-9 months |
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Equlibrium reactions -tilting
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Position:prone,supine,sitting
stimulus:displace the COG by tilting or moving the supporting surface response:abd & extension of the arm & legs to the side to which the force was applied, protective extension on the opposite side normal form about 6 months, & persists throughout life |
