General information regarding the butt:

The butt has a plethora of synonyms. These include but are not limited to behind, bottom, ass, arse, buttocks, booty, derrière, bamsee, backside, bum, glutes, posterior, gluteus maximus, tail, hindquarters, the medical terms callipygian and steatopygia.

• What constitutes a big butt is extremely subjective. An internationally recognized metric regards women having a butt of 49 inches (122.5cm) or more as having a big butt.
• Genetics and circulating blood oestrogen play an integral role in determining the default size of a woman’s butt.
• Because of higher blood oestrogen levels, generally, women have larger butts than men
• There are three muscles making up the left and right glutes, respectively – gluteus maximus (biggest and strongest muscle in the body), gluteus medius, and gluteus minimus.
• A layer of gluteofemoral fat overlies the glutes.
• The crevice between the butt cheeks is known as the intergluteal cleft or the gluteal cleft.
• Colloquially it is called the butt crack.
• Reasons for a small or flat buttock include genetics, age, lack of exercise, low oestrogen blood levels, and other factors.
• If you are not born with it, squats, lunges, uphill running along with other exercises can increase the size of your glutes. These exercises are most effective in persons who are on a healthy diet. Such exercises, once done consistently, can start adding inches to the butt within 6-8 weeks.
• Female butts are generally less hairy than males.
• The most common reasons for pain in the butt are muscle injury and nerve compression.
• The butt’s shape can be described as round, square, heart, or V-shaped.
• Prolonged sitting can lead to atrophy (shrinkage) of the glutes, butt pain, and tightening of the hip flexors. This is referred to as the dormant butt syndrome.
• Twerking improves hip flexibility and the strength of the thigh muscles.
• Sitting in the same spot for an extended period can result in numbness in one or both butt cheeks.
• Bacterial skin infections are the most common reason for boils on the butt.