Muscle Gain Guide: Build Lean Mass and Get Ripped Fast

Building lean muscle mass effectively involves a combination of high-density training and strategic supplementation like whey protein or creatine. Discover why women should lift weights for fat loss and how to maintain muscle while getting lean.

Girl working out doing push ups press exercise in park

Acid Buildup in the Muscles

Published Jul,08 2011 | By M. Gideon Hoyle

Lactic acid, or lactate, is a substance produced in your muscles when you need to move quickly or engage in certain other types of physical exertion. The buildup of this substance triggers pain in active muscles and decreases your chances of causing long-term muscle damage.