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Adbuctor pollicis brevis
- Origin: Scaphoid, trapezium, flexor retinaculum
- Insertion: Proximal phlanx of pollix
- Action: Abducts pollex
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Opponens pollicis
- Origin: Trapezium, flexor retinaculum
- Insertion: 1st metacarple
- Action: Opposes pollex
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Flexor pollicis brevis
- Origin: Trapezium, flexor retinaculum
- Insertion: Proximal phalanx of pollex
- Action: Flexes 1st metacarplphalangeal joint
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Adductor pollicis
- Origin: Capitate, 2nd - 4th metacarpals
- Insertion: Proximal phalanx of pollex
- Action: Adducts pollux, opposes pollex
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