 [ Symptoms ] what are the muscles that make up my butt [ Disease ] your behind is made up of three muscles that comprise the glutes gluteus maximus    the largest glute and one of the strongest muscles in the human body then gluteus minimus and medius it is the maximus that gives your bottom its shape and is integral to almost every movement we take the glutes are covered by a layer of subcutaneous fat how much fat you carry is dictated by genetics as well as lifestyle