Daily Archives: January 3, 2016


Myofibrillar Hypertrophy is muscle growth that comes from the myofibrils (inside a muscle fiber) growing in size or increasing in number. Each muscle fiber is made up of chains of these myofibrils surrounded by a fluid (called sarcoplasm) that contains things like glycogen (stored carbohydrates), water, ATP (energy source), minerals […]

Myofibrillar Hypertrophy