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Publications

Peer Reviewed Articles

Towles JD, Murray WM, Hentz VR: The effect of percutaneous pin fixation of the interphalangeal joint on the thumb-tip force produced by the flexor pollicis longus: a cadaver study. J Hand Surg [Am], 29:1056-62, 2004.

Valero-Cuevas FJ, Johanson ME, Towles JD. Towards a realistic biomechanical model of the thumb: the choice of kinematic description may be more critical than the solution method or the variability/uncertainty of musculoskeletal parameters. J Biomech, 36: 1019-1030, 2003.

Valero-Cuevas FJ, Towles JD, Hentz VR. Quantification of fingertip force reduction in the forefinger following simulated paralysis of extensor and intrinsic muscles. J Biomech, 33: 1601-1609, 2000.

Data Ready for Publication

Smaby N, Baker B, Johanson M, Towles J, Murray W. Identification of target key pinch forces for functional tasks.

Recent Conference Presentations and Abstracts

Towles JD, Hentz VR, and Murray WM: Use of the long flexor and intrinsic thumb muscles to restore lateral pinch in the tetraplegic thumb: A cadaver study. Proceedings of the XXth Congress of the International Society of Biomechanics and and 29th Annual Meeting of the American Society of Biomechanics. Cleveland, OH. August 2005.

Chang E, Towles JD, Grafe MW, Hentz VR. Tendon transfers to restore thumb opposition: a biomechanical study. Proc 58th Ann Mtg Amer Soc Surgery of the Hand, Chicago, IL, Sep, 2003.

Towles, JD. Measurement of thumb-tip forces produced by individual muscles: application to restoring key pinch in persons with tetraplegia. NIH Trainee Workshop, Silver Spring, MD, Dec, 2003.

Johanson ME, Murray WM, Smaby N, Van de Pol GJ, Towles JD, Zajac FE, Hentz VR. Key pinch force is more misdirected in individuals with tetraplegia compared to non-impaired subjects. Proc 3rd VA Natl Rehab Res Dev Conf, p 115, 2002.

Towles JD, Hentz VR. Thumb-tip forces produced by thumb muscles are influenced by the posture of the thumb: a cadaver study. 57th Ann Mtg Amer Soc Surgery of the Hand, Phoenix, AZ, Oct, 2002.

Towles JD, Hentz VR, Murray WM. Magnitude of the endpoint force of flexor pollicis longus muscle increases with grasp opening. Proc 3rd VA Natl Rehab Res Dev Conf, p 117, 2002.

Baker B, Smaby N, Johanson M, Murray W, Towles J, Kenney D, Hentz VR. Identification of target key pinch forces for functional tasks. Proc 7th Intl Conf Tetraplegia, Bologna, Italy, p 74, 2001.

Johanson ME, Murray WM, Smaby N, Towles JD, Zajac FE, Hentz VR. Mis-direction of pinch force can contribute to key pinch deficits in tetraplegia. 7th Intl Conf Tetraplegia, Bologna, Italy, p 31, 2001.

Towles JD, Murray WM, Valero-Cuevas FJ, Zajac FE. Influence of flexor pollicis longus muscle's joint moments on the direction and magnitude of its thumb-tip force. Proc 6th Ann Conf Intl Functional Electrical Stimulation Soc, Cleveland, OH, pp 291-293, 2001.

Towles J. The effect of interspecimen variations in moment arms on the endpoint force produced by flexor pollicis longus. Proc 25th Ann Mtg Amer Soc Biomech, 307-308, 2001.

Valero-Cuevas FJ, Towles JD, Johanson ME. Simulating anatomical variations in the thumb: effect on maximal force and muscle activation. Proc 25th Ann Mtg Am Soc Biomech, 103-104, San Diego, CA, 2001.

Design of a Musculosketetal Model of the Human Thumb, 2nd National Rehabilitation Research and Development Service Meeting, Arlington, VA, February 20-22, 2000.
Abstract

Last updated - 04/05/2006