S2L3: Reflexes Flashcards
Stimulus: Loud noise, sudden movement; may be elicited when testing Moro
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
B
Suppressed by 4-6 months
Stimuli: sudden change in position or dropping back of head with Arm extension-abduction followed by flexion-adduction
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
A
Effect:
- Non functional flexor pattern predominates
- Poor equilibrium reactions
- Muscle imbalances limiting the pt’s movement patterns
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
B
Treatment Strategies: Gradual introduction of the stimuli; child wears helmet to limit amount of stimulation particularly auditory stimuli
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
B
Effect
○ Extensor pattern predominates in the UE
○ Inability to develop protective reactions and sitting balance
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
A
Treatment Strategies
○ Train vertical head stability or head control
Weight bearing on UE - POE (prone on elbows) → POH (prone on hands)
Facilitate equilibrium and protective reactions
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
A
Suppressed by 5-6 months
○ Flexion of the fingers upon application of touch, pressure on the palm, or stretch to the finger flexors
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
C
Effect: Interferes with manipulative skills (transfer of objects, voluntary release)
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
C
Treatment: facilitate finger extension and inhibit flexion (place hard objects in the palm)
Weight bearing (palms down), (POE), (POH), Quadruped, sitting
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
C
Suppressed by 2-3 mos
○ Stroking on erector spinae or side of the spine, causes lateral flexion in the side that was stimulated
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
D
Effect: Interfere with development of trunk stability and sitting balance
○ Can lead to scoliosis
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
D
Treatment: Position body in midline, facilitate paraspinal muscle bilaterally
Stretch muscle on concave side
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
D
Suppressed by 1-2/3-4 mos.
Primitive spinal cord reflexes
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
E
Effect: Interferes with LE movement and reciprocation
○ Inability to crawl
○ Hypersensitivity to tactile input
○ Results in deformities or contractures
○ Inability to walk
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
E
Treatment: WB in standing position c joint compression through pelvis and hip
Facilitate hip abductors and inhibit hip adductors
Desensitization of soles (deep pressure)
Use shoes and various floor surface
A. Moro
B. Startle
C. Palmar grasp
D. Galant’s trunk incurvation
E. Crossed extension/Extensor thrust/Flexor withdrawal
E
Suppressed by 3-7 mos
○ Replaced by volitional standing
○ Leg extension upon tactile contract and WB on the sole
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
A
Effect: Inability to do reciprocal flexion and extension in lower limbs
Poor standing balance, no standing base
-> inability to walk
When feet are on the floor → genu recurvatum → reciprocal movement
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
A
Treatment: Break the total extension pattern
In supine hold the soles and move legs reciprocally
In standing, move the legs alternately, forward and back
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
A
Suppressed by 3-5 mos.
○ Stimulus is the same as positive supporting reflex but instead of extensor response on the LE, the pt will have a flexor response
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
B
Effect:
Flaccid patients
!! Child “sinks” astasia !!
Interferes with supporting responses in the LE
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
B
Treatment: Graded sensory input on soles
Weight bearing with joint compression
Facilitate co-contraction of muscles in the proximal joints
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
B
Suppressed by 6-7 mos
○ Extension of the extremities on the chin side, flexion on the occiput side
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
C
Effect: Prevents rolling from supine to prone
Interferes with crawling and creeping
■ Cant bear weight on the flexed side
Interferes with balance
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
C
Effect: Interferes with bilateral activities and midline play
Poor eye-hand coordination
Abnormal posturing during activities → scoliosis, hip subluxation or dislocation and contractures
A. POSITIVE SUPPORTING REFLEX
B. NEGATIVE SUPPORTING REFLEX
C. ASYMMETRIC TONIC NECK REFLEX
D. SYMMETRIC TONIC NECK REFLEX
C