In this image you can see the Tensor fasciae latae again along with the different layers of the Gluteus maximus. The function of the gluteus is to abdust and rotate the thigh. Its attachment is the facet of ilium to the posterior superionr and inferior spines. From this angle you are also able to see the Gluteus minimus, this muscles function is to abduct and rotate the hip. Its attachment sight is the gluteal fossa and the surface of the iliup. Having a Gluteus minimus and a gluteus maximus you can also see the Gluteus Medius. this muscle lays inbeween the other two and controles the motions of the hips.