Challenge yourself to get in as many push ups as you can. When you can't move anymore hold a plank. The goal is to keep active during the whole 40 seconds and then you can rest for 20. How many can you do?
Wykonaj ten trening z najlepszym sprzętem do ćwiczeń. Zalecamy używanie monitora tętna na pasku do klatki piersiowej Bluetooth lub smartwatcha do optymalizacji treningu i śledzenia wyników.