Hand OA Flashcards
Abductor pollicis brevis
O: scaphoid, trapezium, flexor retinaculumA: base of proximal phalanx of 1st digit
Flexor pollicis brevis
O: flexor retinaculum, capitate, trapeziumA: base of proximal phalanx of first digit
Adductor pollicis oblique
O: capitate, base of 2nd-3rd metacarpalsA: base of proximal phalanx of 1st digit
Adductor pollicis transverse
O: palmar surface of 3rd metacarpalA: base of proximal phalanx of 1st digit
Opponens pollicis
O: trapezium, flexor retinaculumA: 1st metacarpal
Palmaris brevis
O: palmar aponeurosis, overlaying hypothenar eminenceA: skin of hypothenar eminence near ulnar border
Abductor digiti minimi of hand
O: pisiformA: base of proximal phalanx of 5th digit
Flexor digiti minimi brevis of hand
O: hook of hamate, flexor retinaculumA: base of proximal phalanx of 5th digit
Opponens digiti minimi of hand
O: hook of hamate, flexor retinaculumA: 5th metacarpal
Palmar interossei
O: palmar surface of metacarpalsA: bases of proximal phalanges
Dorsal interossei of hand
O: metacarpalsA: proximal phalanges
Lumbricals of hand
O: flexor digitorum profundus tendonsA: proximal phalanges
