Purpose This study examined adaptations in body composition and physical fitness during a
21-wk strength and/or endurance training period in 40-to 65-yr-old men. We also compared
the usefulness of different methods for the analysis of body composition to detect training-
induced adaptations. Methods Fifty-three men were randomized into the endurance training
(E: N= 14), strength training (S: N= 13), combined strength and endurance training (SE: N=
15), or control (C: N= 11) groups. S and E trained 2 and SE 2 x 2 times a week for strength …