Muscle growth refers to an increase in volume and mass that occurs to our muscles after long term strength training. This animation explains how this occurs
Just some notes:
1. Out of the 3 stimuli hypothesized to initiate hypertrophy, the role of mechanical tension is the clearest and best documented in current research. In contrast, the role of muscle damage and metabolic stress is a lot less clear, and their supporting evidence is controversial.
2.The magnitude and speed of muscle growth is affected by external factors, such as training stimulus, genetics, age, diet and sleep.
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