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HAND & WRIST CONDITIONS (SOFT TISSUE DISORDERS (Tendinitis /…

- - - - APL, EPB repetitive strain from chronic overuse
      - Occur with RA, Psoriatic arthritis, direct trauma, pregnancy
    - - Distal forearm (6-8cm proximal to radial styloid:
        ABductor PL + EPB cross over ECRL + ECRB
      - Cause repetitive extension of wrist
    - - Causes repetitive strain, tendon nodule at site of stenosis
  - - - 2 Classes of Injury 1) Traumatic 2) Degenerative
    - - Causes Scapholunate lig injury, occult dorsal wrist ganglion
    - - Causes instability of scaphoid & lunate, hyperextension / rupture of scapholunate lig, radial styloid / scaphoid fractures
      - Signs swelling at wrist dorsum, tenderness in proximal snuffbox, SL joint
    - - Causes sudden force on forearm into pronation / supination
    - - complete rupture of UCL of MCP of thumb
  - - - Rupture of Extensor Digitorum