Anatomy (Anterior Forearm & Hand)

Question 1

Compartments of Palm and Limits

Answer 1

Anterior - Palmar Aponeurosis

Lateral - Thenar Septum

Medial - Hypothenar Septum

Posterior - Palmar Interosseous Fascia

Question 2

Palmar Aponeurosis Function

Answer 2

• Doesn’t allow the superficial fascia to move around

Question 3

Opponens Pollicis Function

Answer 3

• Allows thumb to touch fingertips (apposition)

Question 4

Innervation of adductor pollicis

Answer 4

• Ulnar nerve innervates all of them

Question 5

Synovial Sheath Function

Answer 5

• Encloses tendons of flexor & extensor muscles to reduce friction during movement

Question 6

Carpal Tunnel Cause & Treatment

Answer 6

Cause - Synovial sheaths become inflamed and press on median nerve due to lack of space in carpal tunnel

Treatment - rest, avoid aggrevating movement, carpal tunnel ligament release (thickness still holds down tendons)

Question 7

Fracture of Common Carpal Bones

Answer 7

• Fractured Scaphoid
• Caused by pressure on hand and provides pain in anatomical snuff box

Question 8

Carpal Bone’s

Answer 8

• “Some Lovers Try Positions” “That They Can’t Handle”

Proximal Row (Radius to Unlar):

- Scaphoid, Lunate, Triquetrum, Pisiform

Distal Row (Radius to Ulnar):

• Trapezium, Trapezoid, Capitate, Hamate