What type of energy depends on your workout and how much of it is used depends on how much you rest.
Toning up
Lets face it, a majority of people are trying to tone up for the summer, so I?ll start there. Long story short, toning up requires you to burn more calories (and take in less) in order to be in a calorie deficit, causing you to lose weight.
How do you burn more calories? Rest less and workout more! This keeps your heart beating faster, your blood moving more, and it causes more calories to be burned!
Word of caution:
If you are totally new to health and fitness, you should wait between 90 and 120 seconds in between sets. This is because, with less rest, you won?t have as much energy for the next set. In resting less as a beginning client, you might have decreased performance, and that MIGHT lead to compensation of other muscles and possibly lead to injury.
This is only the case if you are trying to tone up and are new to fitness. However, if you do have some experience working out, then less rest is better!
Here, your body uses oxygen as its primary energy source for the workout.
Gaining Strength
Here is where it gets tricky! If you are trying to gain strength, rest during your workouts(along with a balanced diet!), will be crucial in the development of your muscles!
To gain strength, science says you should rest anywhere from 45 seconds to five minutes.
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