Using principal-components regression to stabilize EMG-muscle force parameter estimates of torso muscles. - Richard E. Hughes; Don B. Chaffin (IEEE Trans. Biomed. Eng., 1997)

An EMG-driven model of the upper extremity and estimation of long head biceps force. - Joseph E. Langenderfer; Suzanne LaScalza; Amy Mell; James E. Carpenter; John E. Kuhn; Richard E. Hughes (Comput. Biol. Medicine, 2005)