Muscle hypertrophy occurs when the fibers of a muscle are continually challenged to deal with higher levels of resistance or weight leading to microdamage or microtears. The body repairs damaged fibers by fusing them, which increases the mass and size of the muscles.

Watch this video with physiotherapist and fitness coach Dr. Neha Nakhare to know more about the process of muscle building and the factors that contribute to muscle hypertrophy.