UE MSK

Question 1

Pt with weakness in shoulder abduction, elbow flexion, biceps reflex and lateral upper arm sensory problems has what level of nerve root affected?

Answer 1

C5

Question 2

Pt with weakness in elbow flexion, wrist extension, bracioradialis reflex and thumb and lateral forearm sensory problems has what level of nerve root affected?

Answer 2

C6

Question 3

Pt with weakness in finger adduction, abduction, and flexion and sensory problems in ring and little finger would have what level of nerve root affected?

Answer 3

C8

Question 4

Pt with weakness in wrist flexors, elbow extensors, decreased sensations over the middle finger and problem with triceps reflex likely has what nerve root affected?

Answer 4

C7

Question 5

Pt having trouble biting an apple or chewing gum causes their disc to dislocate (TMJ), relocation of the disc is in part requires which muscle to relax?

Answer 5

• superior lateral pterygoid

- this muscle attaches to disc and pulls it anteriorly

Question 6

If i want to flex my trunk and rotate to the right what side (R/L) external and (R/L) internal oblique needs to fire?

Answer 6

• left external and right internal obliques

if opposite obliques are working together then the internal oblique tells you which direction the trunk is twisting!

Question 7

What position does the hand need to be in inorder to stretch the lumbricals?

Answer 7

• extend the metacarpal-phalangeal joints

- flex the inter-phalageal jonts