Why are intervals the best cardio for fat loss?
The main reason is that intervals are more metabolically demanding, which means you to burn more fat and calories in the 24 hours after you finish exercising, when the muscles are busy repairing, recovering and replenishing themselves. Intervals also protect your muscles so you don’t use them for fuel. This type of training drives your muscles to exert so much force that rather than use them for energy, your body burns more fat, thereby “sparing” your hard earned muscle.
