MAXIMAL OXYGEN-UPTAKE IN YOUNG-WOMEN WITH TRAINING, INACTIVITY, AND RETRAINING

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  • 1 January 1978
    • journal article
    • research article
    • Vol. 10  (4) , 233-237
Abstract
Young, healthy, sedentary females (6) performed intense endurance training at a constant training stimulus (HR [heart rate] = 170 beats .times. min-1) 2 .times. wk in two 7 wk periods separated by 7 wk of inactivity. Inactivity was defined as a period without scheduled exercise but with necessary daily activities. An increase in .ovrhdot.VO2 max [maximal O2 uptake] (10-14%) and in training intensity at target heart rate (24%) were observed in both periods (P < 0.001). Considering the intensity and duration of the program these gains are similar to those reported previously in women and men. The training response was the same in the 2 periods. There was no indication of beneficial effects during retraining from the previously performed activity. After the inactivity period .ovrhdot.VO2 max, as well as the work intensity at target heart rate, did not differ significantly from the pretraining observations. Seven weeks with no training was sufficient to neutralize the effect of a conditioning program of similar duration.

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