1. Perceived exertion as an indicator of somatic stress;Borg, G.,1970
2. Analysis of load deflection behaviour of intervertebral discs under axial compression using exact parametric solutions of Kelvin-solid models;Burns, M.L.; Kaleps, I.;J. Biomechanics,1980
3. Back pain in athletes;Cannon, S.R.; James, S.E.;Brit. J. Sports Med,1984
4. Shrinkage as a measure of the effect of load on the spine;Eklund, J.A.E.; Corlett, E.N.;Spine,1984
5. A comparison of combined running and weight training with circuit weight training;Gettman, L.R.; Ward, P.; Hagan, R.D.;Med. Sci. Sports and Exer,1982