Tag - strength interval training

Running is one of the favorite physical activities of Poles. The surge of endorphins, movement in the fresh air and better condition - all advantages. During training it is worth using headphones. Music will allow you to cut off from reality and effectively maintain the pace of the race. But which headphones to choose?

Snacks do not have to have bad associations. These products you can eat without remorse!

Kevin Oak is famous for his unusual training methods. The world's top triathlete recently performed 20 squats with a nearly 230-pound barbell in less than a minute!