so say i was doing two hours of low intensity cardio in one session (120 bpm)
as long as i took a whey shake mixed with water about half way through to keep muscle loss at bay, would this still burn fat or would the body just shut off and start burning whatever it felt like.
personally i split my cardio into two days sessions a day but was just thinking to myself if i did two hours would there be any reactions within the body that would stop fat from being burned at a certain point.
curious???