However, building size consists of creating a pump in your muscles, when the muscle is flooded by incoming blood carrying nutrients and causing microscopic damage to muscle fibers, which in turn causes the muscle tissue to repair itself and become bigger in order to handle the increasingly heavier load. (fitnessandpower.com)
When we lift weights, our muscles incur microscopic damage in their fibres and connective tissue, making them fatigued and sore. (womenshealthandfitness.com.au)
Muscle growth is all about the process of healing — when we lift weights, our muscles incur microscopic damage in their fibres and connective tissue, making them fatigued and sore. (womenshealthandfitness.com.au)