What is the primary focus of the hypertrophy phase in the OPT model?

The primary focus of the hypertrophy phase in the OPT (Optimum Performance Training) model is to enhance muscle size. During this phase, the training regimen is specifically designed to promote muscle growth through moderate to high repetition ranges, increased volume, and appropriate rest periods. This phase emphasizes the use of resistance training exercises aimed at inducing muscle fiber stress, which signals the body to adapt by increasing the size of those fibers.

The hypertrophy phase utilizes techniques such as progressive overload and specific training variables, including sets, reps, and intensity, to maximize the muscle-building response. As a result, individuals who engage in this phase can expect not only an increase in muscle mass but also other benefits such as improved metabolic capacity and muscular aesthetics. Understanding this focus allows fitness professionals to tailor programs effectively for clients aiming for muscle growth.