165 A Christian Guide to Body Stewardship, Diet and Exercise stimulus (e.g., 6 sets of 400-m sprints accumulate more fatigue than a 1-mile jog). Point C represents the initial stage of recovery where fitness levels return (go up) to where they were before the training stimulus. Point D represents the second stage of recovery, also called overcompensation, where fitness levels increase above where they were before the training stimulus. Point E represents detraining, also called adaptive dissipation, where fitness levels return (go down) to where they were before the training stimulus. In essence, the SRA curve provides guidance as to when to perform subsequent training sessions for the same or similar workout. The best time to perform a subsequent training session is at the peak of the overcompensation portion of the curve. Training before the peak can lead to overtraining or injury whereas training after the peak can lead to training plateaus or detraining. Figure 8.6. Training Frequency and SRA Curve Designing a Comprehensive Exercise Program Figure 8.6 depicts the relationship between the timing of training sessions and the physiological response to training. As previously mentioned, performing subsequent training sessions during the fatigue / recovery portion of the curve will likely result in overtraining (Point A). Performing subsequent training sessions during the adaptation portion of the curve will likely result in improved performance (Point B); while performing training sessions at the end of the adaptive dissipation portion of the curve will likely result in a training plateau and/or detraining (Point C). Table 8.5 provides specific recommendations as to when the best time is to perform subsequent training sessions for various types of endurance and strength training.
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