Wrist drop causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]

Causes

Causes are:

• Injury
  • Crutch palsy, caused by improper use of crutches
  • Fracture of the humerus (upper arm bone)
  • Long-term or repeated constriction of the wrist (for example, from wearing a tight watch strap)
  • Pressure caused by hanging the arm over the back of a chair (Saturday night palsy if caused by drinking too much alcohol and falling asleep in that position)
  • Pressure to the upper arm from arm positions during sleep or coma
  • Pinching of the nerve during deep sleep, such as when a person is intoxicated
• In some cases, no cause can be found.

References

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