How much cardio do i need to do?
Firstly what is cardio? Cardio exercise uses large muscle movement over a sustained period of time keeping your heart rate to at least 50% of its maximum level. Such as biking, running, and walking, etc.
Firstly what is cardio? Cardio exercise uses large muscle movement over a sustained period of time keeping your heart rate to at least 50% of its maximum level. Such as biking, running, and walking, etc.