Table 19. Physiological characteristics of the study groups before and after 18-week intervention (Study 3). Values are means (SE).

 Variables Endurance group (n = 12) Strength group (n = 12) Control group (n = 11) ANOVA Baseline 18wk Baseline 18wk Baseline 18wk Group Time Interaction HR at rest (bpm) 66 (3) 62 (3) 66 (4) 64 (3) 69 (2) 67 (2) .809 .046 .530 Peak HR (bpm) 135 (4) 123 (4) 140 (3) 135 (6) 130 (7) 121 (5) .144 .002 .478 SBP at rest (mmHg) 174 (15) 164 (16) 184 (15) 167 (14) 182 (15) 167 (15) .577 <.001 .597 DBP at rest (mmHg) 83 (3) 80 (2) 80 (3) 78 (3) 84 (2) 81 (2) .971 .054 .550 Peak power (W) 61.1 (3.2) 61.9 (3.2) 68.1 (3.1) 70.3 (4.1) 64.5 (4.3) 58.2 (3.9) .972 .208 .077 a Peak power (W·kg-1) .91 (.04) .93 (.06) 1.02 (.05) 1.05 (.07) .98 (.07) .88 (.06) .260 .490 .053 b VO2peak (l·min-1) 1.15 (.05) 1.20 (.06) 1.21 (.07) 1.27 (.06) 1.15 (.08) 1.10 (.05) .728 .706 .477 VO2peak (ml·kg-1·min-1) 17.1 (.1) 18.2 (.1) 18.1 (.1) 19.7 (.1) 17.3 (.1) 16.9 (.1) .364 .102 .207 RER .88 (.06) .93 (.09) .94 (.11) .93 (.93 .89 (.07) .89 (.08) .297 .351 .335
 Abbreviations: HR, heart rate; SBP, systolic blood pressure; DBP, diastolic blood pressure; VO2peak, peak oxygen uptake; RER, respiratory exchange ratio; ANOVA, analysis of variance.