Age and gender responses to strength training and detraining. - Lemmer,J.T.; Hurlbut,D.E.; Martel,G.F.; Tracy,B.L.; Ivey,F.M.; Metter,E.J.; Fozard,J.L.; Fleg,J.L.; Hurley,B.F. (Med Sci Sports Exerc, 2000)