Think of your core like the foundation of a house. If it's jacked up, eventually, the rest of the house will be too. If you've got a stability ball, use it for this workout. If not, no sweat, you can go through the motions just as well without it. Let's pour the cement and solidify your core.
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.