Proximal/Superior Attachment
Distal/Inferior Attachment
- Trapezium - Palmar Surface and the Ridge
- Tubercle of the Scaphoid
Attaching Structures as Origin
- Abductor Pollicis Brevis
- Flexor Digiti Minimi Brevis
- Flexor Pollicis Brevis - Distal Border
- Opponens Digiti Minimi - Adjacent to Hook of Hamate
- Opponens Pollicis
- Palmaris Brevis - Front