Term
| In postural reflexes, the head tries to stay in an _____ and maintain ________. |
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Definition
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Definition
appear in the first year
ATNR
STNR |
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segmental rolling
3-6 months |
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whole body response
5 to 8 months of age |
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start at 5 months and cont. thru first 5 years
prone- (5-6 months)
Lateral (6-11 months)
Backward (9-12 months) |
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Definition
| pushing or lifting an object with the fingers or entire hand |
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| involve grasp of object (precision and power grasp) |
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| opposition of thumb to fingertips |
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involves the use of the entire hand (used for large objects)
used to control tools
ex: brushing hair, cutting bread |
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used when strength of grasp must be
ex: carrying a suitcase |
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| used to exert power on or with small objects |
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| three-point pinch (three-jaw chuck) |
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Definition
increased stability
ex: pick up blocks |
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Definition
wrist EXT, fingers ABduc, some degree of FLEX at MCP and IP joints
ex: holding a ball |
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fingers slightly ABD, and transverse arch is flat,
ex: holding a water bottle |
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Term
| Grasp Development- Approaches to describing: |
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Definition
1. part of the hand/fingers used in the grasping pattern (ulnar, palmar, radial)
2. location of object in hand (palmar contact, finger surface contact, finger pad contact)
3. muscle activity - increasing control of intrinsic muscles with extrinsic muscle |
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Definition
| recognizing objects thru touch |
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Definition
a voluntary palmar grasp begins to emerge
between 4-5 months- increase in grasp skill
alternately open and close hands- in response to sensory stimuli |
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Term
second 6 months
hand skill development |
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Definition
| key period for developing hand skills -raking grasp emerges at 7 mo. -hold object between finger surface and thumb (9 months) -intrinsics not effective yet |
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Term
8 to 9 months
grasp development |
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Definition
-larger objects held between thumb and radial fingers
- dramatic increase in skill
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Term
| finger to palm translation |
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Definition
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| finger to palm translation |
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Definition
| ex: picking up a coin with the fingers and thumb and moving it into the palm |
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Term
| palm to finger translation |
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Definition
requires more isolated control of thumb and use of a pattern beginning with finger FLEX and moving toward finger EXT
Ex: moving a coin from the palm of the hand to the finger pads |
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