Physiological adaptations to a weight-loss dietary regimen and exercise programs in women.
Thirty-one women (mean age 35.4 +/- 8.5 yr) who were overweight were matched and randomly placed into either a control group (Con; n = 6), a diet-only group (D; n = 8), a diet+aerobic endurance exercise training group (DE; n = 9), or a diet+aerobic endurance exercise training+strength training group (DES; n = 8). After 12 wk, the three dietary groups demonstrated a significant (P </= 0.05) reduction in body mass, %body fat, and fat mass. No differences were observed in the magnitude of loss among groups, in fat-free mass, or in resting metabolic rate. The DE and DES groups increased maximal oxygen consumption, and the DES group demonstrated increases in maximal strength. Weight loss resulted in a similar reduction in total serum cholesterol, low-density lipoprotein cholesterol, and high-density lipoprotein cholesterol among dietary groups. These data indicate that weight loss during moderate caloric restriction is not altered by inclusion of aerobic or aerobic+resistance exercise, but diet in conjunction with training can induce remarkable adaptations in aerobic capacity and muscular strength despite significant reductions in body mass.
Kraemer
W J
WJ
Center for Sports Medicine, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
Volek
J S
JS
Clark
K L
KL
Gordon
S E
SE
Incledon
T
T
Puhl
S M
SM
Triplett-McBride
N T
NT
McBride
J M
JM
Putukian
M
M
Sebastianelli
W J
WJ
D000222:Adaptation, Physiological / Q000502:physiology*; D000328:Adult; D001481:Basal Metabolism / Q000502:physiology; D001823:Body Composition / Q000502:physiology; D001835:Body Weight / Q000502:physiology; D004038:Diet, Reducing; D004043:Dietary Fiber; D015444:Exercise / Q000502:physiology*; D005260:Female; D006801:Humans; D008055:Lipids / Q000097:blood; D009765:Obesity / Q000178:diet therapy / Q000628:therapy; D010101:Oxygen Consumption / Q000502:physiology; D010807:Physical Endurance; D014891:Weight Lifting
D004043:Dietary Fiber; D008055:Lipids