During the initial weeks of a resistance training program, increases in muscular strength are primarily due to which of the following?
a. Increased muscle fiber cross-sectional area
b. Improved motor unit recruitment and synchronization
c. Increased ATP and phosphocreatine storage within muscle fibers
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question tomorrow morning.
From Chapter 5: Adaptations to Anaerobic Training Programs