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In vivo forces generated by finger flexor muscles increase with finger and wrist flexion.

Authors
Kursa-K; Tran-S; Lattanza-L; Diao-E; Rempel-D
Source
49th Annual Meeting of the Orthopaedic Research Society, February 2-5, 2003, New Orleans, Louisiana. Rosemont, Il: Orthopaedic Research Society, 2003 Feb; :1
NIOSHTIC No.
20029342
Abstract
Risk factors for tendon disorders of the hand may include the force level, number of repetitions, and hand posture. To better understand injury mechanisms and to develop effective preventive measures, it is important to understand how these external factors affect internal tendon forces. In vivo forces in one or both flexor tendons have been measured and reported during active and passive motion of the fingers and wrist (1, 2). However, the influence of finger and wrist joint positions on the amount of force generated during active finger flexion was not assessed. The goal of this investigation was to determine whether the positions of the wrist and the index finger metacarpophalangeal (MP) joint affected the in vivo forces in the flexor digitorum profundus (FDP) tendon and the flexor digitorum superficialis (FDS) tendon when the subject actively flexed his or her fingers.
Keywords
In-vivo-studies; Risk-factors; Hand-injuries; Injuries; Injury-prevention; Motion-studies; Musculoskeletal-system-disorders; Muscles; Biomechanics; Repetitive-work
Contact
Department of Bioengineering, University of California-San Francisco, 1301 South 46th Street, Building 163, Richmond, CA 94804, USA
Publication Date
20030202
Document Type
Abstract
Funding Amount
518352
Funding Type
Grant
Fiscal Year
2003
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003414
Priority Area
Disease and Injury: Musculoskeletal Disorders of the Upper Extremities
Source Name
49th Annual Meeting of the Orthopaedic Research Society, February 2-5, 2003, New Orleans, Louisiana
State
CA
Performing Organization
University of California, Richmond, California
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