| Perry's workout begins with the straight-leg dead lift, a standing move that fires up both your hamstrings and buttocks. |
| Squeeze your glutes, hamstrings and quadriceps as you hold the pose for five deep breaths. |
| My legs ache from the slope and the lunges that my trainer explained would work the quadriceps, hamstrings and glutes. |
| The bar remains close to her body as her torso lowers, providing a greater stretch through the hamstrings. |
| This exercise focuses on the hamstrings but also involves the gastrocnemius muscles. |
| Maintaining good posture and stretching your hip flexors and hamstrings will help keep the strain off your lower back. |
