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Related Experiment Videos

The effects of Scaphoid and Colles casts on hand function.

A Karantana1, M J Downs-Wheeler, K Webb

  • 1Department of Orthopaedic Surgery and the Hand Centre, Frenchay Hospital, Bristol, UK. alexiak41@hotmail.com

Journal of Hand Surgery (Edinburgh, Scotland)
|May 13, 2006
PubMed
Summary
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Scaphoid and Colles casts both impair hand function after immobilization for scaphoid fractures. The Scaphoid cast, which includes the thumb, resulted in significantly longer test times compared to the Colles cast.

Area of Science:

  • Orthopedics
  • Hand Surgery
  • Rehabilitation Medicine

Background:

  • Immobilization is crucial for bone healing but temporarily limits hand function.
  • Scaphoid and Colles casts are standard treatments for scaphoid fractures, with similar non-union rates.
  • The Scaphoid cast immobilizes the thumb, while the Colles cast allows thumb mobility.

Purpose of the Study:

  • To compare the impact of Scaphoid and Colles casts on hand function.
  • To evaluate the functional deficit induced by different immobilization methods for scaphoid fractures.

Main Methods:

  • A mixed between-within subject design was employed.
  • Twenty healthy, right-hand-dominant volunteers participated.
  • The Jebsen-Taylor Hand Function Test was used to assess hand function with both casts and without immobilization (control).

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Main Results:

  • Both Scaphoid and Colles casts significantly increased the time required to complete the hand function test compared to controls.
  • The Scaphoid cast led to a significantly longer completion time than the Colles cast.

Conclusions:

  • Both cast types negatively affect hand function.
  • The Scaphoid cast imposes a greater functional deficit than the Colles cast, suggesting potential implications for rehabilitation strategies.