The buttock or gluteal muscles are extremely important in providing pelvic stability when walking. Every time you step on your right foot, your right gluteal muscles are vital in keeping your pelvis stable and preventing your left hip from dropping. The gluteal muscles insert into the outside of the hip via their tendons and these tendons can break down, particularly in middle aged athletes after twisting injuries, or in endurance athletes as a result of training load. Given the frequency with which they must act (every second stride), it is easy to understand how they can become overloaded. In order to load and strengthen the tendons: