Purvis, Thomas L. The Making of a Myth: Abraham Lincoln's Family Background in the Perspective of Jacksonian Politics.. Journal of the Illinois State Historical Society 75 (Summer 1982): 148-60.
The gluteal group of muscles consists of 3 muscles: Gluteus Maximus, Gluteus Medius and Gluteus Minimus. Gluteus is Greek for rump. Maximus is the largest of the muscles and Minimus the smallest. The role of the Gluteus maximus is different from the medius and minimus muscles because of their attachment points.
The Gluteal Muscles comprise of three muscles which make up the buttocks: Gluteus Maximus, Gluteus Medius and the Gluteus Minimus. Tortora et al. (1990) describe the function of the gluteal muscles: Gluteus Maximus extends and rotates the thigh laterally.