What is one of the prime movers in common lower body exercises listed?

The hamstrings are indeed one of the prime movers in many common lower body exercises. These muscles, located at the back of the thigh, play a pivotal role in hip extension and knee flexion. Exercises such as squats, deadlifts, and lunges significantly engage the hamstrings, contributing to the overall movement and stability of the lower body.

In contrast, the other options refer to muscles that are not primarily involved in lower body exercises. The latissimus dorsi is primarily responsible for movements of the upper body, particularly those involving the arms and back. The triceps brachii is mainly involved in extending the elbow and is thus relevant to upper body movements. The rectus abdominis, while important for core stability and movement, does not serve as a prime mover for lower body exercises specifically. This highlights the significance of the hamstrings in effectively executing a range of lower body movements.