: A strong heart pumps more oxygenated blood per beat (stroke volume), reducing strain during exercise.
Even dedicated athletes fail to hit the 60-minute mark because of these errors: 60 minutes stamina
Numerous studies in sports science (including work from the Journal of Applied Physiology) indicate that the human body’s hormonal response to exercise peaks around the 45- to 60-minute mark. : A strong heart pumps more oxygenated blood