Ring Proximal Interphalangeal Joint

• Ring Middle Phalanx
• Ring Proximal Phalanx

Range of motion

Injuries:

Arthritis

Movement

Flexion

• Flexor Digitorum Superficialis Ring
• Flexor Digitorum Profundus Ring

• Second Palmar Interosseous
• Fourth Dorsal Interosseous
• Extensor Digitorum Ring
• Ring Lumbrical

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