The buttock refers to the rounded bulge in the lower part of the gluteal region. The inferior extent of the buttock is marked by a gluteal fold of skin below. Medially, an intergluteal cleft separates the two buttocks from each other, while laterally they are bounded by the hip regions.The rounded shape of the buttock is due to the gluteus maximus muscle. It overlies two additional gluteal muscles, namely the gluteus medius and the gluteus minimus. Together they form the superficial group of ... The buttocks are composed of several key structures, including the gluteal muscles (gluteus maximus, medius, and minimus), subcutaneous fat, skin, and underlying bone. Female Buttocks (Up) Male Buttocks (Down) The buttocks are two round parts of the lower body. They are on the back of the pelvic area and give padding when people sit. Buttocks are formed mainly from two large muscles on each side. These are the gluteus maximus and the gluteus medius. They go from the hip to the top of the leg, so they are not there just for decoration. The role of the buttocks in sitting and in sexual arousal are secondary functions in our species. [1] In some African ... The buttocks (sg.: buttock) are two rounded portions of the exterior anatomy of humans, located on the posterior of the pelvic region. The buttocks are located between the lower back and the perineum.