Origin
Anterior surface radius & interosseous membrane
Insertion
Palmar aspect of base of distal phalanx of thumb
Actions
- Flexes thumb
- Very weakly assists in flexing the wrist
Innervation
- Anterior interosseous nerve (C7, C8)
Blood Supply
- Anterior interosseous artery
Would you like to learn more about the flexor pollicis longus muscle? Then check out the flexor pollicis longus muscle article and video by clicking the link below: Flexor Pollicis Longus Muscle Anatomy
