What rep range is typically used during the Hypertrophy/Muscular Development Training phase?

• A. 1-5 reps
• B. 6-12 reps or higher
• C. 10-15 reps
• D. 2-8 reps

Answer: (B)

The Hypertrophy/Muscular Development Training phase is primarily focused on increasing muscle size by maximizing muscular hypertrophy. The typical rep range for this phase is between 6 to 12 repetitions. This range has been shown to be effective for promoting muscle growth, as it strikes a balance between sufficient volume and intensity.

Training within this rep range allows the lifter to lift a moderate to heavy weight, which produces the mechanical tension needed to stimulate muscle fibers for growth. It also promotes metabolic stress through increased time under tension and the buildup of metabolites, both of which are key factors in promoting hypertrophy.

Other rep ranges, such as lower (1-5 reps) or higher (10-15 reps), tend to focus more on strength development or endurance, respectively, and are less effective for maximizing muscle size. Thus, 6-12 reps is the gold standard for those specifically seeking to enhance their muscular development during this phase.