This document provides information on the muscles and structures of the gluteal region. It describes the deep fascia, muscles including the gluteus maximus, medius, and minimus. It also discusses the tensor fascia lata, piriformis, obturator internus and externus, superior and inferior gemelli, and quadratus femoris muscles. Ligaments like the sacrotuberous and sacrospinous are also described. Key structures passing through the greater and lesser sciatic foramen are identified. The course and branches of the sciatic nerve are summarized.