The larger the motor units within a muscle, the more precisely controlled the gradations of contraction.

Question

Quizplus · Accepted Answer

The larger the motor units within a muscle, the less precisely controlled the gradations of contraction. This is because larger motor units contain more muscle fibers and therefore require a greater amount of neural input to activate. As a result, they are better suited for producing stronger, coarser contractions rather than fine, precise movements.

The Larger the Motor Units Within a Muscle, the More