Wyzwanie 30 dni

Get ready to be stronger, improve your overall fitness and create a healthy habit. The 30-Day Fitness Challenge is designed to work every major muscle group in your body—every day. The structure of this fitness plan gives you the opportunity to improve your fitness and reshape your body while allowing each muscle group adequate recovery time
The goal is to get you stronger, fitter, and healthier in a month—without getting bored. Instead of spending money on a gym membership, what you really need is a month-long fitness challenge -- something that tells you exactly what to do every single day, no equipment or gym required.