System for testing hand, wrist, and forearm strength

Details System for testing hand, wrist, and forearm strength System for testing hand, wrist, and forearm strength

1991-08-01

1992-11-17

Hindenburg, Max

Surgery

Truss

Pad

73379, A61B 5103

Patent

active

051634430

ABSTRACT:
A system for measuring the forces which are applied by a limb of a living being, particularly the hand, wrist, and forearm of a human being, employs a plurality of cable members for conducting the forces exerted in a variety of directions to a single force transducer. In addition to permitting a significant reduction in cost for the apparatus of the invention, the use of a single transducer ensures that all forces are correlated in magnitude with respect to one another, thereby greatly reducing the problems associated with system calibration. The apparatus aspect of the invention permits readings of plural motions and forces to be taken, which readings can be delivered to a recording device, such as a computer for storage, analysis, and cross-correlation of the resulting data with itself and with extrinsic data. The invention therefore is useful in determining the presence of cumulative trauma disorders, such as carpal tunnel syndrome, and can assist in identifying individuals and groups of individuals, illustratively on the basis of job function, which are at high risk of developing this condition.

REFERENCES:
patent: 4436099 (1984-03-01), Raftopoulos
patent: 4774966 (1988-10-01), Lemmen
patent: 4834057 (1989-05-01), McLeod
patent: 5016874 (1991-05-01), Boardman
patent: 5050618 (1991-09-01), Larsen
Little et al., "Wrist and Shoulder Analyzer", Research Disclosure, Nov. 1981.

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