In muscle contraction, recruitment refers to:
A. The speed at which individual motor units fire
B. The force produced by a single muscle fiber
C. The number of motor units involved in a contraction
Answer in the poll, then explain your rationale below in the comments! I'll follow up with my breakdown of the question after enough people have responded.
From Chapter 2: Biomechanics of Resistance Exercise
DCO Code: 1.C2
NOTE: Image is for illustration purposes, not needed to answer the question.