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The following reflect my general areas of interest,
Measurement and modeling of the complex parameters associated with a direct dynamics model of the human musculo-skeletal system, with the aim of examining the role, function, and co-ordination of muscle in vivo.
Investigation of human impacts, with emphasis on quantifying the effect of the "wobbling" mass on joint loads.
Development of improved measurement protocols (three-dimensional photogrammetry, determination of segment position and orientation, data smoothing and differentiation).
Investigation of procedures for determining body segment inertial parameters.
Recent publications include,
Muri, J., Winter, S.L., and Challis, J.H. (2008) Changes in segmental inertial properties with age. Journal of Biomechanics 41, 1809-1812.
Challis. J.H., and Pain, M.T.G. (2008) Soft tissue motion influences skeletal loads during impacts. Exercise and Sports Science Reviews 36, 71-75.
Domire, Z.J., and Challis, J.H. (2007) The influence of an elastic tendon on the force producing capabilities of a muscle during dynamic movements. Computer Methods in Biomechanics & Biomedical Engineering 10, 337-341.
Infantalino, B, W., Gales, D.J., Winter, S.L., and Challis, J.H. (2007) The validity of ultrasound estimation of muscle volumes.. Journal of Applied Biomechanics 23, 213-217.
Experimental Methods in Biomechanics and Motor Control (KINES 575)
Biomechanics (KINES 384)
Last Modified: 01-JULY-2008