Reflexes

Question 1

Biceps

Answer 1

Musculocutaneous

C5, C6

Question 2

Brachioradialis nerve

Answer 2

Radial

C5 , C6

Question 3

Triceps

Answer 3

Radial

C6 and 7

Question 4

Patellar nerve

Answer 4

Femoral

L3, L3, L4

Question 5

Hamstring nerve

Answer 5

Tibial

L5, S1, S2

Question 6

Achilles nerve

Answer 6

Tibial

S1, S2

Question 7

Deep tendon reflexes ( 2 types)

Answer 7

GTO: respond to tension in tendon near insertion. Cause muscle to decrease in tension
Muscle spindle: responds to quick stretch of muscle and causes muscle to contract.
- they test after end and efferent pathways

Question 8

Lower motor neuron lesion

Answer 8

Flaccid or diminished reflex.

Hyporeflexia

Question 9

Upper motor neuron lesion

Answer 9

Excessive reflex or too much tone

In spinal cord and brain

Question 10

Reflex grades

Answer 10

0 absent reflex LMN lesion
1 trace LMN lesion
2 normal
3 brisk
4 clonus UMN lesion
CHECK BOTH SIDES
1,2,3 are normal unless asymmetric or dramatic diff in UE or LE

Question 11

Spasticity

Answer 11

Hypertonic from a quick stretch.

From UMN injury

Question 12

Rigidity

Answer 12

Hypertonic it throughout ROM

cog wheel rigidity

Question 13

Flaccidity

Answer 13

No detectable tone

From LMN injury

Question 14

Dystonia

Answer 14

Disordered tone seen by writhing movements