The glutes, or the gluteal muscles, are the three muscles that make up the buttocks. Dr. Rodney McKay was once shot in the gluteus maximus with an arrow. (SGA: "Sateda")
Major Anne Teldy complained about having to walk so far while on a unnamed planet to which Lt. Colonel John Sheppard replied that had he been notified they could have arranged a Puddle Jumper. Teldy's response was that the exercise was good, firming up the glutes and calves. (SGA: "Whispers")