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Flashcards in Thenar muscles Deck (16)
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Opponens pollicis p.a.

Flexor retinaculum and tubercles of scaphoid and trapezium

1

Opponens pollicis d.a.

Lateral side of 1st metacarpal

2

Opponens pollicis innervation

Recurrent branch of median nerve
C8t1

3

Opponens pollicis

To oppose thumb

4

Abductor pollicis brevis p.a.

Flexor retinaculum and tubercles of scaphoid and trapezium

5

Abductor pollicis brevis d.a.

Lateral side of base of proximal phalanx of thumb

6

Abductor pollicis brevis innervation

Recurrent branch of median nerve
C8t1

7

Abductor pollicis brevis action

Abducts thumb
Helps oppose it

8

Flexor pollicis brevis p.a.

Flexor retinaculum and tubercles of scaphoid and trapezium

9

Flexor pollicis brevis d.a.

Lateral side of base of proximal phalanx of thumb

10

Flexor pollicis brevis innervation

Recurrent branch of median nerve
C8 t1

11

Flexor pollicis brevis action

Flexes thumb

12

Adductor pollicis p.a.

Oblique head- bases of 2nd and 3rd metacarpals, capitate, adjacent carpals
Transverse head- anterior surface of shaft of 3rd metacarpal

13

Adductor pollicis d.a.

Medial side of base of proximal phalanx of thumb

14

Adductor pollicis innervation

Deep branch of ulnar nerve
C8t1

15

Adductor pollicis

Adducts thumb towards lateral border of palm