by Swail Khan | nov 5, 2019 | Trening, Workout programs
H.I.I.T or High-intensity interval training — referred to as H.I.I.T. — is based on the idea that short bursts of strenuous exercise can have a big impact on the body. If moderate exercise — like a 20-minute jog — is good for your heart, lungs and metabolism, H.I.I.T....
