Thumb Interphalangeal Joint

• Thumb Proximal Phalanx
• Thumb Distal Phalanx

Range of motion

Injuries:

Arthritis

Movement

Flexion

Flexor Pollicis Longus

Extension

• Extensor Pollicis Longus
• Abductor Pollicis Brevis
• Adductor Pollicis

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