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The effect of wearing a flexible wrist splint on carpal tunnel pressure during repetitive hand activity.

Authors
Rempel-D; Manojlovic-R; Levinsohn-DG; Bloom-T; Gordon-L
Source
J Hand Surg 1994 Jan; 19(1):106-110
NIOSHTIC No.
00218827
Abstract
Carpal tunnel pressure (CTP) and wrist angles were monitored in healthy subjects during the performance of a material handling task, with and without a wrist splint. The 19 volunteers had no signs of carpal tunnel syndrome (CTS). A fluid filled catheter inserted into the carpal canal and a two channel electrogoniometer mounted on the dorsum of the hand and forearm were used to continuously monitor CTP and wrist angles. During the repetitive motion, measurements indicated that the median nerve was exposed to elevated fluid pressure within the carpal tunnel. Use of the flexible wrist splint raised the resting CTP. The authors suggest this was due to direct external pressure on the carpal canal. CTP was not reduced by the splint during repetitive activity but the splint did reduce the range of motion of the wrist. As the use of the wrist splint had no effect on the CTP, the authors suggest that any benefit derived from the use of the splint must relate to other aspects of the physiology of the hand.
Keywords
NIOSH-Publication; NIOSH-Grant; Musculoskeletal-system-disorders; Carpal-tunnel-syndrome; Cumulative-trauma-disorders; Manual-materials-handling; Humans; Hand-injuries; Personal-protective-equipment
Contact
Medicine University of Calif., S.f. Sfgh Bldg 30 5Th FL San Francisco, CA 94110
CODEN
JHSUDV
Publication Date
19940101
Document Type
Journal Article
Funding Amount
162000
Funding Type
Grant
Fiscal Year
1994
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-K01-OH-00121
Issue of Publication
1
ISSN
0363-5023
Priority Area
Musculoskeletal-system-disorders
Source Name
Journal of Hand Surgery
State
CA
Performing Organization
University of California San Francisco, San Francisco, California
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