Reflexes

Question 1

With the STNR reflex, if an infant is placed into prone and neck extends then what occurs?

Answer 1

arm extension and leg flexion

Question 2

With the STNR reflex, if an infant in place into prone and neck flexed then what occurs?

Answer 2

arm flexion and leg extension

Question 3

What is the TLR reflex?

Answer 3

in prone, the flexors are facilitated

in supine, the extensors are facilitated

Question 4

What part of the brainstem mediates the TLR?

Answer 4

lower

Question 5

What part of the brainstem mediates all the righting reactions?

Answer 5

upper

Question 6

If someone is exhibiting a STNR after head trauma, what would you most likely see during functional mobility?

Answer 6

flexion at the trunk/UE to sit up will cause extension at the hips

Question 7

Of the prehensile reflexes: in what order do they disappear?

Answer 7

traction (2-3 mo)

palmar (3-4 mo)

plantar (9-10 mo)