The enlargement of skeletal muscle due to training is known as?

• A. Atrophy
• B. Hypertrophy
• C. Resilience
• D. Regression

Answer: (B)

The enlargement of skeletal muscle due to training is known as hypertrophy. This process occurs when muscle fibers increase in size as a response to the stress of resistance training. When muscles are subjected to consistent overload through resistance exercises, micro-tears occur in the muscle fibers. The repair process leads to muscles becoming larger and stronger, a condition known as hypertrophy.

Hypertrophy is an important concept in the OPT Model as it is one of the key goals of resistance training, particularly in phases designed specifically to increase muscle size. Understanding this process is essential for designing effective training programs that target muscle growth.

The other terms mentioned are significantly different. Atrophy refers to muscle shrinkage due to disuse or aging, resilience describes the ability to recover from difficulties or challenges, and regression pertains to a return to a less advanced state. Each of these terms highlights different aspects of physical conditioning and training adaptations, but they do not accurately describe the growth of muscle tissue as hypertrophy does.