Abstract
This study examined the effect of resistance training on blood lactate (BL), heart rate (HR), and rating of perceived exertion (RPE) responses to an exhaustive set of squats in 7 college-age women, Baseline testing consisted of a dual set of squats at 70 and 50% of 1-RM performed to exhaustion. Immediate postexercise BL response was elevated 6.5-fold above baseline values while HR exceeded 90% of age-predicted max. After 10 wks of resistance training, the dependent variables were assessed at Post 1 and Post 2 testing sessions. At Post 1, subjects performed a nonexhaustive set of squats using the same workload and number of repetitions completed during baseline testing. At Post 2 they performed an exhaustive set of squats at 70 and 50% of posttraining 1-RM. Immediate postexercise BL was reduced at Post 1 when compared to baseline BL. Post-2 BL was similar to baseline BL and significantly greater than Post-l BL. Resistance training also lowered the RPE response to resistance exercise at Post 1 (p ≤ 0.01), but Post-2 RPE did not differ from baseline values. The HR response to resistance exercise was not altered by resistance training.
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