Trening interwał

Try interval training if you are at a high level of fitness.

Interval training consists of a series of short intense exercises interspersed with low-intensity intervals. Thus, this program will help you improve your overall fitness, support weight loss and speed up your metabolism.

In Marcelina Kopka's interval training, you work primarily on:

• improving your fitness,
• burning body fat,
• sculpting your legs,
• flat belly.