Which Structure Would Probably Have the Largest Motor Units

Question

Which structure would probably have the largest motor units?
A)a motor unit in the foot that controls toe movements
B)a motor unit in the thigh to control leg movements
C)a motor unit that controls eye movements
D)a motor unit that controls hand movements

Accepted Answer

The thigh muscles are responsible for large, powerful movements and thus have larger motor units to generate the necessary force.