肌肉肥大与肌纤维类型

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Muscle growth and fibre types

Although growth can occur in all muscle fibre types, different types of muscle fibres vary in their potential for growth. Fast twitch fibres are more likely than slow-twitch fibres to grow with intense strength training. This may be one reason why athletes such as sprinters tend to be bigger and more muscular than endurance athletes, and why heavier loads tend to stimulate more muscle growth than light loads.

Marathoner (left) vs sprinter (right)

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