Orthopedics Book


Overuse Syndromes of the Hand and Wrist

Aka: Overuse Syndromes of the Hand and Wrist, Hand Overuse, Wrist Overuse
  1. Causes: Tenosynovitis
    1. De Quervain's Tenosynovitis
    2. Intersection Syndrome
    3. Extensor Carpi Ulnaris Tendinitis
    4. Flexor Carpi Radialis Tendinitis
    5. Trigger Finger
    6. Focal Hand Dystonia
    7. Exertional Compartment Syndrome
  2. Causes: Peripheral Neuropathy (Neuropraxia)
    1. Digital Neuropathy
    2. Anterior interosseus nerve entrapment
      1. Weakness of pinch and grip, without associated pain
    3. Posterior interosseous nerve entrapment
      1. Weakness of fingers and wrist, WITH associated pain
      2. In contrast to C7 nerve root, posterior interosseous has no triceps or wrist flexion weakness
    4. Radial Nerve entrapment (Radial Tunnel)
      1. Radial Forearm pain
    5. Median Nerve entrapment (Carpal Tunnel)
      1. Paresthesias and numbness in radial 3.5 fingers
      2. In contrast to C6-7 nerve roots, Carpal Tunnel has no triceps or wrist extension weakness
    6. Ulnar Nerve entrapment (Cubital Tunnel)
      1. Flexor digitorum profundus weakness with numbness and Paresthesias in ulnar 1.5 fingers
      2. In contrast to C8-T1 nerve roots, Cubital Tunnel has no thumb IP flexion weakness
  3. Causes: Vascular
    1. Hypothenar Hammer Syndrome
    2. Digital Ischemia
      1. Baseball pitchers
      2. Baseball catchers
      3. Handball players
  4. References
    1. Rettig (2001) Clin Sports Med 20(3) [PubMed]

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