There are more than three muscles in that area, but the major ones composing the buttocks, or gluteal area are: gluteus maximus, gluteus medius, and gluteus minimus.
The Latin name for either of the large muscles of the human posterior is gluteus maximus.
The proper name for the area between the hips is the groin or inguinal region. It contains a variety of important structures, including blood vessels, nerves, lymph nodes, and muscles.
Buttocks is just another name for your bum or bottom. When you sit down, you are sitting on your buttocks. Medically, the back of the body is known as the posterior side. So your buttocks is posterior, located between your thighs and waist. Buttocks is sometimes called "the posterior". In laymen's terms, rather than medical terms, most people call it their "butt", short for buttocks.
A sitz bath (also called a hip bath) is a type of bath in which only the hips and buttocks are soaked in water or saline solution. Its name comes from the German verb "sitzen," meaning "to sit."
The main muscle in the buttocks is the gluteus maximus. There are two other muscles in the buttocks as well - the gluteus medius and gluteus minimus - that help with various movements of the hip and thigh.
The three hamstring muscles of the posterior thigh are the semimembranosus, the semitendinosus, and the biceps femoris.
fgf
The three thigh muscles that help you you keep astride when riding a horse are the thigh adductor muscles; magnus, longus, and brevis.
The proper name for the area between the hips is the groin.
The scientific name for rose hips is Rosa canina.
The combination of the three muscles Gluteus Maximus, Gluteus Medius and Gluteis Minimus are called the Buttocks (I guess this is the common name but its often used a technical term). Oddle these muscles are are the posterior part of the Pelvis and act to Extend the Thigh (pull it back) and Abduct it (pull it out to the side). The Outermose of the three is also the larges, glutes maximus, the innermost is the smallest, gluteus minimus and in the muddle is gluteus medius.
You sit on your gluteus maximus. It is the part of your lower back sometimes referred to as your buttocks or posterior.