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Power Grip Forces for Wheeled Mobility Users

Power Grip Forces for Wheeled Mobility Users
Clive D’Souza1, Edward Steinfeld1, Victor Paquet1, Caroline Joseph1, and David Feathers2
1IDEA Center, University at Buffalo; 2Design & Environmental Analysis, Cornell University


Abstract: The design of hand-operated products and environmental features should apply an understanding of the grip strength capacity of the broadest range of potential users, including individuals with disabilities. A commonly used grip posture is the power grip, wherein the handle is perpendicular to the forearm, and the handle is squeezed by the partially flexed fingers and the palm while the thumb applies counter pressure. Measurements of power grip strength also serve as a clinical tool for assessing the upper extremity function of individuals by comparing with normative data.

 

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References

Accessibility Standards Documents

U.S. Access Board, 2004. Americans with Disabilities Act and Architectural Barriers Act Accessibility Guidelines for Buildings and Facilities. Washington, DC: U.S. Access Board. Retrieved February 17, 2010, from http://access-board.gov/ada-aba/index.htm.

 

Anthropometry Research Studies

Bear-Lehman, J., Miller, P. A., Adler, M., Buonocore, J. M., Coles, N., Kneafsey, B. S., Katz-Sillman, F.Sherman-Amsel, H. (2003). "An exploration of hand strength and sensation in community elders." Topics in Geriatric Rehabilitation 19(2): 127-136.

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Bohannon, R. W., Peolsson, A., Massy-Westropp, N., Desrosiers, J.Bear-Lehman, J. (2006). "Reference values for adult grip strength measured with a Jamar dynamometer: a descriptive meta-analysis." Physiotherapy 92(1): 11-15.

Chen, C. C.Giustino, J. (2007). "Grip Strength, Perceived Ability, and Health Status in Individuals with Arthritis: An exploratory study." Occupational Therapy in Health Care 21(4): 1-18.

Chen, C. C., Kasven, N., Karpatkin, H. I.Sylvester, A. (2007). "Hand strength and perceived manual ability among patients with multiple sclerosis." Archives of Physical Medicine and Rehabilitation 88(June 2007): 794-797.

Crosby, C. A., Wehbé, M. A.Mawr, B. (1994). "Hand strength: Normative values." Journal of Hand Surgery 19A: 665-670.

Desrosiers, J., Bravo, G., Hebert, R.Mercier, L. (1995). "Normative data for grip strength of elderly men and women." American Journal of Occupational Therapy 49: 637-644.

Fraser, A., Vallow, J., Preston, A.Cooper, R. G. (1999). "Predicting 'normal' grip strength for rheumatoid arthritis patients." Rheumatology 38: 521-528.

Heller, A., Wade, D. T., Wood, V. A., Sunderland, A., Hewer, R. L.Ward, E. (1987). "Arm function after stroke: measurement and recovery over the first three months." Journal of Neurology, Neurosurgy and Psychiatry 1987 50: 714-719.

Imrhan, S. N.Loo, C. H. (1989a). "Modelling wrist-twisting strength of the elderly." Ergonomics 31(2): 1807-1819.

Imrhan, S. N.Loo, C. H. (1989b). "Trends in finger pinch strength in children, adults, and the elderly." Human Factors 31(6): 689-701.

Mathiowetz, V., Kashman, N., Volland, G., Weber, K., Dowe, M.Rogers, S. (1985). "Grip and pinch strength: Normative data for adults." Archives of Physical Medicine and Rehabilitation 66: 69-72.

Peebles, L.Norris, B. (1998). Adultdata: The handbook of adult anthropometrics and strength measurements - data for design safety. UK, Department of Trade and Industry.

Voorbij, A. I. M.Steenbekkers, L. P. A. (2002). "The twisting force of aged consumers when opening a jar." Applied Ergonomics 33(1): 105-109.

 

Relevant IDEA Center Publications

D'Souza, C., Paquet, V., Joseph, C., Feathers, D., 2010. Hand size and functional grip capabilities of wheeled mobility device users. Applied Ergonomics, In review.

Joseph, C., D'Souza, C., Paquet, V., Feathers, D., 2010. Comparison of hand grip strength between wheeled mobility device users and non-disabled adults. In Proceedings of 3rd International Conference on Applied Human Factors and Ergonomics, 2010 AHFE International, Miami, Florida, Taylor and Francis, Ltd.

Steinfeld, E., Maisel, J., Feathers, D., D'Souza, C., 2010. Standards and anthropometry for wheeled mobility. Buffalo: NY: IDEA Center.

Steinfeld, E., 1986. Hands-on Architecture: Volume 3, Parts 1 & 2. Buffalo, NY, Center for Inclusive Design and Environmental Analysis, School of Architecture and Planning, University at Buffalo.

 

Relevant Design Resources

DR #16: Clear floor space when reaching & grasping

DR #18: Pinch grip forces for wheeled mobility users

grip strength test