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In vivo finger tendon force rates during tapping.

Authors
Kursa-K; Dennerlein-J; Tigh-J; Diao-E; Rempel-DM
Source
47th Annual Meetingof the Orthopaedic Research Society, February 25 - 28, 2001, San Francisco, California. Rosemont, IL: Orthopaedic Research Society, 2001 Feb; :1
NIOSHTIC No.
20029344
Abstract
Risk factors for tendon disorders of the hand may include the force level, number of repetitions, hand posture, and hand velocity. To differentiate between these factors and better understand the injury mechanisms, it is important to understand how these external factors affect internal tendon loading. The relationship between the force at the fingertip and the in vivo force in a flexor tendon while tapping on a keyswitch has been reported previously (1). In addition to the force level, the force rate that a tendon experiences may influence the damage mechanism since loading rate influences tissue strain and fatigue properties. The goal of this investigation was to calculate the mean and maximum in vivo force rates in the flexor digitorum superficialis (FDS) tendon while tapping, compare the values during the loading (increasing force) and unloading (decreasing force) parts of the motion, and compute the corresponding force rates at the fingertip.
Keywords
Muscles; Musculoskeletal-system-disorders; Hand-injuries; Injury-prevention; Injuries; Risk-factors; Models; In-vivo-studies; Biomechanics; Repetitive-work
Contact
University of California, Berkeley, Berkeley, CA. Bioengineering, 1301 South 46th Street, Bldg. 112, Richmond, CA 94804
Publication Date
20010225
Document Type
Abstract
Email Address
rempel@itsa.ucsf.edu
Funding Amount
518352
Funding Type
Grant
Fiscal Year
2001
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
47th Annual Meetingof the Orthopaedic Research Society, February 25 - 28, 2001, San Francisco, California
State
CA
Performing Organization
University of California, Richmond, California
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