Final answer:
Rest time between sets for isotonic exercises focusing on power should be just under 2 minutes, allowing for muscular recovery while keeping the intensity high.
Step-by-step explanation:
When focusing on isotonic exercises for power, the rest time between sets should be long enough to allow for almost full recovery without cooling down too much. This is typically sensibly, a little less than 2 minutes. Power-based workouts require high intensity with quick, explosive movements, and adequate rest ensures the muscles can recover enough to maintain this level of intensity throughout subsequent sets
As an example, when a person exerts energy at a rate of 200W (which is 200 J/s), they complete an action in a very short duration, like two seconds. This illustrates the high intensity involved in power exercises. However, rest periods still need to be substantial to the workouts' effectiveness and safety.
Results for power output and rest times should be roughly consistent with prescribed guidance, like the examples provided above. Consistency in power exertion is key to achieving the desired outcomes in strength and conditioning.