Untitled Document

Research

Bryan Heiderscheit

PhD, University of Massachusetts
Associate Professor, Department of Orthopedics and Rehabilitation
heider@surgery.wisc.edu
http://www.orthorehab.wisc.edu/pt/faculty/heiderscheit.shtml

Movement Coordination and Variability of Older Adults

Maintaining independent mobility in older adults is of primary concern to health care providers. Our research has focused on understanding movement coordination changes as a result of aging, with specific interest in the role of coordination variability.

Through the use of experimental motion capture and computer simulation and modeling, we are able to quantify the biomechanical and functional aspects of movement in adults. Included in our studies are comparisons between healthy young and older adults, as well as those with mobility impairments. This information allows us to better understand the progression of functional limitations in adults and the accompanying coordination compensations. The long-term objective of our research is to improve the current techniques used to identify limiting factors of gait performance, so as to improve the development of scientifically based interventions for elderly adults with gait impairments.

A current study involves determine the ability of stride duration variability and trunk acceleration variability to accurately identify and detect change in falls risk status in older adults. This information will provide insight into extending these measures into clinic practice to aid in objectively determining falls risk. Additionally, these measures will provide a scientific basis for testing current and new falls prevention programs.

Representative Publications
Schmitz, A., Silder, A., Heiderscheit, B.C., Mahoney, J., & Thelen, D.G. (2008). Differences in lower extremity muscular activation during walking between healthy older and young adults. Journal of Electromyography and Kinesiology, 2008 Dec. 10 [Epub ahead of print].

Heiderscheit, B.C., & Boissonnault, W.B. (2008). Reliability of joint mobility and pain assessment of the transverse spine and rib cage. Journal of Manual and Manipulative Therapy, 16(4), 210-216.

Silder, A., Heiderscheit, B.C., Thelen, D.G., Enright, T., & Tuite, M.J. (2008). MR evidence of long-term musculotendon remodeling following an acute hamstring strain injury. Skeletal Radiology, 37, 1101-1109.

Chumanov, E.S., Wall-Scheffler, C., & Heiderscheit, B.C. (2008). Gender differences in walking and running on level and inclined surfaces. Clinical Biomechanics, 23, 1260-1268.

Sterling, A., Cobian, D., Anderson, P., & Heiderscheit, B.C. (2008). Annual magnitude and frequency of neck motion in healthy subjects. Spine, 33, 1882-1888.

O'Leary, K., Anderson-Vorpahl, K., & Heiderscheit, B.C. (2008). Cushioned insoles reduce impacts during running. Journal of the American Podiatric Medical Association, 98, 36-41.

Silder, A., Heiderscheit, B.C., & Thelen, D.G. (2008). Active and passive contributions to joint kinetics during walking in healthy older adults. Journal of Biomechanics, 41, 1520-1527.

Whittington, B., Silder, A., Heiderscheit, B.C., & Thelen, D.G. (2008). The contribution of passive elastic mechanisms to lower extremity joint powers during walking. Gait Posture, 27, 628-634, 200.

Silder, A., Whittington, B., Heiderscheit, B.C., & Thelen, D.G. (2007). Identification of passive elastic joint moment-angle relationships in the lower extremity. J. Biomechanic., 40(12), 2628-35..

Syed, F., Oza, A., Vanderby, R., Heiderscheit, B.C., & Anderson, P.A. (2007). A method to measure cervical spine motion over extended periods of time. Spine, 32, 2092-2098.

Chumanov, E.S., Heiderscheit, B.C., & Thelen, D.G. (2007). The effect of speed and influence of individual muscles on hamstring mechanics during the swing phase of sprinting. Journal of Biomechanics, 40, 3555-3562.

Silder, A., Whittington, B., Heiderscheit, B.C., & Thelen, D.G. (2007). Identification of passive elastic joint moment�angle relationships in the lower extremity. Journal of Biomechanics, 40, 2628-2635.

McClinton, S., Donatell, G., Weir, J., & Heiderscheit, B.C. (2007). Influence of step height on quadriceps onset timing and activation during stair ascent in individuals with and without patellofemoral pain syndrome. Journal of Orthopaedic and Sports Physical Therapy, 37, 239-244.

Plisky, M., Rauh, M., Heiderscheit, B.C., Underwood, F., & Tank, R. (2007). Medial tibial stress syndrome in high school cross-country runners: incidence and risk factors. Journal of Orthopaedic and Sports Physical Therapy, 37, 40-47.

Pollard, C., Heiderscheit, B.C., van Emmerik, R.E.A., & Hamill, J. (2005). Gender differences in lower extremity joint coupling variability during an unanticipated cutting maneuver. J. Appl. Biomech., 21, 143-152.

Peters, B.T., Haddad, J.M., Heiderscheit, B.C., Van Emmerik, R.E.A., & Hamill, J. (2003). Limitations in the use and interpretation of continuous relative phase. J. Biomechanics, 36, 271-274.

Heiderscheit, B.C., Hamill, J., & van Emmerik, R.E.A. (2002). Variability of stride characteristics and joint coordination among individuals with unilateral patellofemoral pain. J. Appl. Biomech., 18, 110-121.

Heiderscheit, B.C. (2000). Movement variability as a clinical measure for locomotion. J. Appl. Biomech., 16, 419-427.

Hamill, J., van Emmerik, R.E.A., Heiderscheit, B.C., & Li, L. (1999). A dynamical systems approach to lower extremity running injuries. Clin. Biomech., 14, 297-308.

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