The purpose of this study was to determine the effects of a resistive training program on the time course of changes in strength, body mass index, lipids, lipoproteins, and apolipoproteins in sedentary obese women. Sixteen sedentary obese women strength trained 3 times/wk for 12 wk performing three sets of six to eight repetitions per set with sets 1 and 2 at 60 to 70% of one-repetition maximum. During set 3, the subjects used the greatest weight possible so that failure occurred between six to eight repetitions. Six sedentary obese women served as controls. Blood samples for serum total cholesterol (TC), high-density lipoproteins (HDL-C), low-density lipoproteins (LDL-C), triglycerides (TG), TC/HDL-C ratio, apolipoprotein A-I (apo A-I), and apolipoprotein B-100 (apo B-100) were obtained pre, and after 4, 8, and 12 wk of training and approximately 3 to 4 d following the last training session. A 3-d dietary record was obtained on all subjects pre and post, and subjects were instructed not to alter their diet. The 12 wk of resistive training did not result in a significant change in body weight, BMI, or total kilocalories consumed per day but did show a mean improvement of 58% in muscular strength (p < 0.05). The training program did not significantly alter the TC, HDL-C, LDL-C, TG, TC/HDL-C ratio, apo A-I, or apo B-100 levels, which suggests that this increase in strength owing to resistive training in the absence of body weight loss did not alter the lipid profiles in these sedentary obese women.

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