Chapter 12. Application of Changing Criterion Design. Limitations of the Study One limitation of the study was gender bias. It was noted in the study that there are more overweight girls than boys, yet the authors included only boys in the study. Therefore, the findings may not be generalizable to the general population.
Anatomy and supply. The gluteus maximus muscle builds the most superficial layer of the dorsal gluteal musculature and thus forms the surface anatomy of the gluteal region.
SHARE SHARE TWEET EMAIL. The butt consists of three gluteal muscles: the gluteus maximus, gluteus medius and gluteus minimus. The gluteus maximus, atop the gluteus medius, serves as the main buttock muscle and the largest muscle of the body. When you work the butt muscles, this is the main muscle you build for shape.The gluteus medius and minimus muscles help you keep your balance.HARE SHARE TWEET EMAIL. The butt consists of three gluteal muscles: the gluteus maximus, gluteus medius and gluteus minimus. The gluteus maximus, atop the gluteus medius, serves as the main buttock muscle and the largest muscle of the body. When you work the butt muscles, this is the main muscle you build for shape.