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Biomechanical evaluation of t-handles for a pronation supination task.

Authors
Saran-C
Source
J Occup Med 1973 Sep; 15(9):712-717
NIOSHTIC No.
00023785
Abstract
A T-handle with an angle between the shaft and the handle in conformity with the grip angle and an optimum handle diameter improves performance of a pronation-supination task. Nine T-handles with various combinations of angles and diameters are designed and evaluated. Subjective ranking verified the above observations and the optimum angle and diameter are found to be 60 degrees and 1 inch, respectively. On objective evaluation of biomechanical profile, however, this hypothesis could not be well verified for the range of the angles and diameters investigated. A distinct criterion to optimize angles and diameters objectively could not be established, although time of reading during the two minute runs establishes some trends.
Keywords
JOCMA7; NIOSH-Publication; NIOSH-Grant; Ergonomics; Biomechanics; Toolmaking; Hand-tools; Task-performance; Indices; Muscular-functions; Energy-expenditure; Electromyography; Manual-equipment; Optimum-design
Contact
Rehabilitation Medicine New York University Med Ctr 400 East 34 Street New York, N Y 10016
CODEN
JOCMA7
Publication Date
19730901
Document Type
Journal Article
Funding Amount
477334.00
Funding Type
Grant
Fiscal Year
1973
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-T01-OH-00103
Issue of Publication
9
ISSN
0096-1736
Source Name
Journal of Occupational Medicine
State
NY
Performing Organization
New York University, New York, New York
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