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Peds Reflexes
Reflexes for Test 1
| Question | Answer |
|---|---|
| STNR | symmetrical tonic neck reflex |
| nickname for positive response to STNR | cat |
| emergence of STNR | 4-6 months |
| integration of STNR | 8-12 months |
| positioning to test STNR | suspended prone over knees, ventroflex and dorsiflex head |
| STNR positive response to ventroflexion | flex arms, extend legs |
| STNR response to dorsiflexion | extend arms, flex legs |
| ATNR | asymmetric tonic neck reflex |
| nickname for positive response to ATNR stimulus | fencer |
| emergence of ATNR | 0 mos |
| integration of ATNR | 4-6 mos |
| positioning to test for ATNR | supine, turn head to side |
| response to test for ATNR | extension of arm and leg on face side, flexion on skull side |
| TLR-S | tonic labrinthine reflex - supine |
| emergence of TLR | 0 mos |
| integration of TLR | 4 mos |
| positive response for TLR-S | extremities extend or have increased extensor tone while supine (head at midline) |
| positive response for TLR-P | extremities will flex or have increased flexor tone while prone (head at midline) |
| Moro reflex | startle reflex |
| positioning for Moro reflex | sit semi reclined and drop head 30 degrees |
| positive response for Moro reflex | abduction, extension, external rotation of the arms; extension and abduction of the fingers |
| emergence of the moro reflex | 0 mos |
| integration of the moro reflex | 6 mos |
| positioning for flexor withdrawal reflex | supine, legs extended |
| emergence of the flexor withdrawal reflex | 0 mos |
| integration of the flexor withdrawal reflex | 2 mos |
| positive response to flexor withdrawal reflex test | stroke foot and leg of stroked foot will flex |
| range of time for rooting reflex | 0-3 mos |
| stimulus for rooting reflex | stroke cheek |
| positive reaction to stimulus for rooting | baby turns head to stimulus |
| range of time for suckling reflex | 0-5 mos |
| stimulus for suckling reflex | strike lip with firm pressure |
| positive reaction to suckling stimulus | sucks |
| range of time for palmar grasp reflex | 0-6 mos |
| stimulus for palmar grasp reflex | strike plam on ulnar side (finger, long block) |
| positive reaction to palmar grasp stimulus | grasps object |
| range of time for plantar grasp reflex | 0-4 to 9 mos |
| stimulus for plantar grasp reflex | stroke foot |
| positive response to plantar grasp stimulus | toes flex and curl to grasp |
| range of time for primary standing reflex | 0-2 mos |
| stimulus for primary standing reflex | touch feet to surface |
| positive response to primary standing reflex stimulus | will bear weight on feet |
| range of time for automatic walking | 0-2 mos |
| stimulus for automatic walking reflex | touch feet to surface |
| positive response to stimulus for automatic walking reflex | automatic steps |
| range of time for extensor thrust | 0-2 mos |
| stimulus for extensor thrust | supine, leg flexed, stroke flexed leg's foot |
| positive reaction to stimulus for extensor thrust | extension of stroked foot |
| range of time for crossed extension | 0-2 mos |
| stimulus for crossed extension | supine, one leg flexed; then flex the other leg |
| positive reaction to crossed extension stimulus | opposite leg will extend |
| alternative position for testing STNR in older children | quadruped; positive response is going into a 'girl pushup' upon stimulus |
| range of time for parachute reactions | lifetime |
| What is the parachute reaction? | arms extend to protect head and catch fall |
| protective extension | another name for parachute reaction |
| time forward protective extension (parachute reaction)emerges | 6 mos |
| time when sideways protective extension (parachute reaction) emerges | 7 mos |
| time when backwards protective extension (parachute reaction) emerges | 10 mos |
| Landau reaction time period | 3-4 mos to 12-24 mos |
| stimulus for Landau reaction | prone in space "airplane" - raise head; arms and legs extend |
| cortical reactions | serve to return body to vertical position after displacement |
| equilibrium reactions | correct body displacement |
| five positions to test equilibrium | 1. prone, 2. supine, 3. sitting, 4. quadruped, 5. standing |
| equipment to test equilibrium | therapy ball, tilt board |
| Why text reflexes and righting reactions? | to indicate a normally developing CNS or indicate delays |