Small Distal Interphalangeal Joint

• Small Distal Phalanx
• Small Middle Phalanx

Range of motion

Injuries:

Arthritis

Movement

Flexion

Flexor Digitorum Profundus Small

Extension (through the small finger digital extensor mechanism)

• Third Palmar Interosseous
• Extensor Digiti Minimi
• Extensor Digitorum Small
• Small Lumbrical

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