Chapter 11: Biomechanical

Question 1

Peripheral nerve injury order of return:

Answer 1

pain, moving touch, static light touch, touch localization

Question 2

moving two point discrimination

Answer 2

Normal score: 2 mm in horizontal orientation, proximal to distal

Question 3

Static two point discrimination

Answer 3

Normal score: 5 mm in longitudinal orientation

Question 4

Safe position splint

Answer 4

intrinsic-plus splint. wrist 20-30 degree extension, MCPs 70-90 degrees flexion, IPs extended, thumb abducted and extended.

Question 5

Splint for brachial plexus injury

Answer 5

flail arm splint: it provides the needed stability at both the shoulder and elbow for functional positioning of the hand.

Question 6

Splint for radial nerve palsy

Answer 6

Dynamic wrist, finger, and thumb extension splint

Question 7

Splint for median nerve injury

Answer 7

Opponens splint, C-bar (hand in C position), or thumb post splint (hold thumb in abduction)

Question 8

Splint for ulnar nerve injury

Answer 8

dynamic/static splint to position MPs in flexion

Question 9

Splint for cubital tunnel syndrome

Answer 9

elbow splint at 30 degrees flexion

Question 10

De Quervains splint

Answer 10

thumb splint, includes wrist, IP joint free

Question 11

Skier’s thumb splint

Answer 11

hand-based thumb splint

Question 12

Flexor tendon surgery splint

Answer 12

dorsal protection splint

Question 13

Swan neck splint

Answer 13

silver rings or buttonhole splint

Question 14

Boutonniere splint

Answer 14

silver rings or PIP extension splint

Question 15

Muscle weakness spling (ALS, SCI, Guillain-Barre)

Answer 15

Balanced forearm orthosis (BFO), deltoid sling, suspension sling

Question 16

Splints for hand burns

Answer 16

wrist 15-30 extended, MCP 50-70 degrees flexed, IPs full extension