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.
The gluteus maximus is the biggest human muscle. Photo Credit Dirima/iStock/Getty Images. The human body contains three types of muscle: smooth, cardiac and skeletal. Skeletal muscles, which are responsible for locomotion and other body movements, likely come to mind first when you discuss muscles. You have more than 600 skeletal muscles in your body, in various shapes and sizes.