it has to do with nitrogen retention - higher protein diets maintain a positive nitrogen balance which is key to muscle growth - www.bodybuilding.com/fun/drobson75.htm
. Regardless of the type of exercise, if your muscles are sufficiently fatigued there will be some growth, however don't forget there are two main types of muscle fibers - fast & slow twitch. Aerobic exercise enhances slow twitch muscle fibres which leads to improved endurance. Anaerobic exercise, as in resistance training, enhances fast twitch fibers which leads to gains muscle strength.
Edited by: GDBEAR65 at: 7/11/2013 (08:40)