Hand Deformities

Question 1

Swan Neck

Answer 1

Flexed DIP joint and Hyperextended PIP joint

Question 2

Boutonniere Deformity

Answer 2

Extension of the metacarpophalangeal and DIP joints and flexion of the PIP joint

Question 3

Ulnar Drift

Answer 3

the most common form of rheumatoid arthritis

Question 4

Claw fingers

Answer 4

Fingers are hyperextended at the metacarpophalangeal joints and flexed at the interphalangeal joints

Question 5

Trigger fingers

Answer 5

a result of thickening of the flexor tendon sheath, which causes sticking of the tendon when the pt . attempts to flex the finger

Question 6

Ape Hand Deformity

Answer 6

A deformity in an ability to oppose (abduct) the thumb. Caused by damage to the proximal median nerve and subsequent loss of opponens pollicus muscle function

Question 7

Drop Wrist Syndrome

Answer 7

Compression on the radial nerve inhibiting forearm extensor muscles

Question 8

Dupuytren Contracture

Answer 8

Contracture of the palmar fascia

Question 9

Mallet Finger

Answer 9

Rupture or avulsion of the extensor tendon. The distal phalanx rests in a flexed position

Question 10

Volkmann’s Contracture

Answer 10

a deformity of the hand, fingers, and wrist caused by injury to the muscles of the forearm