Ring Proximal Interphalangeal Joint
Bones:
Ring Middle Phalanx
Ring Proximal Phalanx
Ligaments:
Range of motion
Injuries:
Arthritis
Movement
Flexion
Flexor Digitorum Superficialis Ring
Flexor Digitorum Profundus Ring
Extension
Second Palmar Interosseous
Fourth Dorsal Interosseous
Extensor Digitorum Ring
Ring Lumbrical
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