There are two different types of muscular hypertrophy: sarcoplasmic and myofibrillar. During sarcoplasmic hypertrophy, the volume of sarcoplasmic fluid in the muscle cell increases with no accompanying increase in muscular strength. During myofibrillar hypertrophy, actin and myosin contractile proteins increase in number and add to muscular strength as well as a small increase in the size of the muscle. Sarcoplasmic hypertrophy is characteristic of the muscles of bodybuilders while myofibrillar hypertrophy is characteristic of weightlifters.
A good bodybuilding diet and nutrition are key components that will determine how successful you are in your bodybuilding program. Training without proper nutrition is like rowing against the current. At best, you would remain on the same place or even move forward a little bit, but in the end, you get nowhere.
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