J J Sullivan

Identifying the integrated electromyographic threshold using different muscles during incremental cycling exercise.

S C Glass, R G Knowlton, P B Sanjabi, 1998, The Journal of sports medicine and physical fitness.

Anthropometric characteristics and performance related predictors of success in adolescent pole vaulters.

R G Knowlton, J J Sullivan, R K Hetzler, 1994, The Journal of sports medicine and physical fitness.