1. Energy storage and return prostheses: does patient perception correlate with biomechanical analysis?;Hafner;Clin Biomech (Bristol, Avon),2002
2. Gait patterns of above-knee amputees using constant-friction knee components.;Murray;Bull Prosthet Res,1980
3. Gait patterns in above-knee amputee patients: hydraulic swing control vs constant-friction knee components.;Murray;Arch Phys Med Rehabil,1983
4. The University of California Biomechanics Laboratory four-bar polycentric knee linkage. A clinical trial in 20 active above-knee amputees.;Jergesen;Clin Orthop Relat Res,1986
5. Rehabilitation in limb deficiency. 1. Gait and motion analysis.;Czerniecki;Arch Phys Med Rehabil,1996