Wrist, Hand and Finger Pathologies

• - Avulsion of the flexor digitorum profundus tendon

• - forced extension of DIP while in a flexed position

• - S/S: inability to actively flex the DIP joint

• Jersey Finger

• Mallet Finger

• Swan Neck Deformity

• Boutonniere Deformity

MOI: Blow to tip of the finger causes an avulsion of the extensor digitorium longus tendon at DIP

S/S: Inability to actively extend distal phalanx

MGT: 6-8 weeks in stack splint

• Jersey FInger

• Mallet Finger

• Swan Neck Deformity

• Boutonniere Deformity

This is an example of what injury?

• Jersey Finger

• Mallet Finger

• Boutonniere Deformity

• Swan Neck Deformity

What injury is showed in the image above?

• Jersey Finger

• Mallet Finger

• Boutonniere Deformity

• Swan neck Deformity

MOI: Blow to the tip of the finger causes rupture of central extensor tendon at the PIP

Results in position of extension of DIP and MCP joint with PIP flexion

MGT: Splint 6-8 weeks or surgery

• Jersey finger

• Mallet Finger

• Boutonniere Deformity

• Swan neck Deformity

What injury is shown above?

• Jersey Finger

• Swan neck Deformity

• Mallet Finger

• Boutonniere Deformity

What special test is described: The examiner's hands a piece of paper to the patient. They both are holding on to the piece of paper, while pinching a piece of paper between the thumb and index finger, the thumb's IP joint will flex if the adductor pollicis muscle is weak.

• Froment's Sign

• Valgus and Varus test of the interterphalangeal joints

• Murphy's Sign

• Tinel's Sign

What injury is shown above?

• Boxer's Fracture

• Bennett's Fracture

• Rolando's Fracture

What injury is shown above?

• Bennett's Fracture

• Boxer's Fracture

• Rolando's Fracture

What injury is shown above?

• Boxer's Fracture

• Bennett's Fracture

• Rolando's Fracture