WEEK 14

Question 1

All 3 rigidity syndromes reflect

Answer 1

massive release from inhibition (Release from inhibition of UMNs)

Question 2

decerebrate rigidity is caused by

Answer 2

acute transection of brainstem

Question 3

causes of decerebrate

Answer 3

trauma or vascular

Question 4

with decerebrate rigidity, there is complete release of

Answer 4

UMN inhibition

Question 5

decerebrate rigidity prognosis

Answer 5

grave

Question 6

decerebrate is typically presented as

Answer 6

comatose

Question 7

animals with ____ will exhibit this decerebrate posture,but be BAR

Answer 7

Tetanus

Question 8

decerebrate rigidity posture

Answer 8

rigid extension of all limbs; opisthotnos (head and neck extended)

Question 9

decerebellat rigidity is

Answer 9

acute transection of cerebellum

Question 10

decerebellate rigidity is caused by

Answer 10

trauma, vascular

Question 11

prognosis of decerebellate

Answer 11

very poor

Question 12

decerebellate posture

Answer 12

hind limbs tucked up (rigid flexion at hip)

forelimbs rigidity extends

Question 13

schiff-sherington syndrome is

Answer 13

acute transection of spinal cord at T3-L3 (occassionally L4-S2)

Question 14

schiff-sherington caused by

Answer 14

trauma, acute discs, vascular

Question 15

diagnosis of schiff-sherington syndrome

Answer 15

postural responses work
reflexes normal
FL voluntary movement ok
FL reflexes OK
FL postural Responses OK
often see day after you localize to T3-L3 (or occasionally L4-S2)

Question 16

prognosis of schiff-sherington

Answer 16

guarded prognosis

Question 17

schiff-sherrington syndrome posture

Answer 17

may or may not see rigid extension of hindlimbs
forelimbs rigidity extended
may or may not have opisthotnos