Part of an exercise program when the activity is performed at the highest peak.

This part of an exercise program is often referred to as the "peak" or "high intensity" phase. This is when the individual is exerting the maximum amount of effort during their workout. Here are the steps to reach this phase:

1. Warm-Up: Start with a light exercise to increase your heart rate and prepare your body for the workout. This could be a brisk walk, light jog, or any low-intensity activity.

2. Increase Intensity: Gradually increase the intensity of your workout. This could mean running faster, lifting heavier weights, or doing more repetitions. The goal is to push your body to work harder.

3. Reach Peak Intensity: Continue increasing the intensity until you reach your maximum effort. This is the peak phase of your workout. You should be working as hard as you can, but still be able to maintain good form and control.

4. Cool Down: After reaching peak intensity, gradually decrease the intensity of your workout to allow your body to recover. This could mean slowing down your run to a jog, then a walk.

5. Stretch: Finish your workout with some stretching to help your muscles recover and prevent injury.

Remember, it's important to listen to your body during your workout. If you feel any pain or discomfort, it's a sign that you need to decrease the intensity or stop the workout altogether.