What muscles do you use sprint start?

In a sprint start, the primary muscles used include the quadriceps, hamstrings, glutes, and calves, which are essential for explosive power and acceleration. The core muscles also play a crucial role in stabilizing the body and maintaining proper posture during the start. Additionally, the hip flexors are engaged to drive the legs forward rapidly. Overall, a combination of lower body strength and core stability is vital for an effective sprint start.