Gluteal Region Anatomy Quiz

The region of the body that encompasses the buttocks. It's bounded superiorly by the iliac crest, inferiorly by the gluteal fold, postero-medially by the natal cleft, and antero-laterally by a line drawn from the anterior superior iliac spine to the greater trochanter.

A muscle located in the gluteal region that originates from the outer lip of the iliac crest and inserts into the anterior border of the ilio-tibial tract.

The superior gluteal nerve supplies the tensor fascia lata muscle, which is responsible for hip abduction and external rotation.

Tensor fascia lata tightens the ilio-tibial tract to help keep the knee extended during standing and walking.

The iliac crest is the superior border of the gluteal region, which forms the top of the hip bone.

The gluteal fold is the inferior border of the gluteal region, which marks the crease between the buttocks and the thigh.

The natal cleft is the postero-medial boundary of the gluteal region, which refers to the space between the buttocks.

A line drawn from the anterior superior iliac spine (ASIS) to the greater trochanter forms the antero-lateral boundary of the gluteal region.

The greater sciatic foramen is a large opening in the pelvis that allows for the passage of important nerves and vessels.

The lesser sciatic foramen is a smaller opening in the pelvis that allows for the passage of certain nerves and vessels.

The largest muscle in the human body. It originates from the ilium, sacrum, and coccyx and inserts into the iliotibial tract and gluteal tuberosity.

A powerful extensor of the hip joint, meaning it straightens the leg at the hip.

It also rotates the hip joint outwards and helps to stabilize the hip.

The Gluteus Maximus helps to keep the knee extended in standing by tightening the iliotibial tract.

The Gluteus Maximus is a common site for intramuscular injections due to its thick muscle mass.

The sciatic nerve runs deep to the Gluteus Maximus, so injections need to be given in the upper outer quadrant of the buttock to avoid injury.

The gluteal region contains multiple bony landmarks, such as the greater trochanter and ischial tuberosity. It's also home to various ligaments, muscles, blood vessels, and nerves.

Several muscles attach to the greater trochanter of the femur, including the gluteus medius, piriformis, obturator internus, and gemelli.

The ischial tuberosity is a bony point that serves as the origin for the adductor magnus muscle and the hamstring muscles.

Bursitis is a common condition in the gluteal region, occurring in areas like the greater trochanter and ischial tuberosity.

This muscle originates from the outer surface of the ilium, attaching to the lateral surface of the greater trochanter. It is supplied by the superior gluteal nerve.

The Gluteus Medius and Minimus muscles play several key roles in hip movement. They are primarily responsible for abduction, but also assist with medial rotation of the thigh and maintaining pelvic stability.

This muscle originates from the front of the sacral vertebrae and exits the pelvis through the greater sciatic foramen. It inserts into the greater trochanter and is innervated by branches from the sacral plexus.

This condition occurs when the Gluteus Medius and Minimus muscles are paralyzed on one side of the body, causing a limping walk.

A waddling gait arises when the Gluteus Medius and Minimus muscles are paralyzed on both sides of the body, leading to an unstable walk.

This condition refers to a weakening of the thigh's abduction, often impacting the Gluteus Medius muscle.

This powerful muscle is responsible for extending the thigh, essential for transitioning from a sitting to standing position.

The six lateral rotators of the hip joint work together to rotate the thigh outwards.

The obturator internus muscle originates from the obturator membrane, the margins of the obturator foramen, and the area between the foramen and the greater sciatic notch. It's tendon passes through the lesser sciatic foramen and inserts into the medial aspect of the greater trochanter after joining the gemelli muscles.

The obturator internus muscle is responsible for laterally rotating the thigh at the hip joint.

The superior gemellus muscle originates from the upper margin of the lesser sciatic notch and inserts into the top of the obturator internus muscle's tendon.

Both the superior and inferior gemellus muscles help to laterally rotate the thigh at the hip joint.

The inferior gemellus muscle originates from the lower margin of the lesser sciatic notch and inserts into the bottom of the obturator internus muscle's tendon.

The quadratus femoris muscle originates from the lateral margin of the ischial tuberosity and inserts into the quadrate tubercle on the femur.

The quadratus femoris muscle functions to laterally rotate the thigh at the hip joint.

The obturator externus muscle originates from the outer surface of the obturator membrane and the margins of the obturator foramen. Its tendon passes under and behind the hip joint before inserting into the floor of the trochanteric fossa.

The obturator externus muscle helps in laterally rotating the thigh at the hip joint.

The nerve to quadratus femoris, a branch of the sacral plexus, innervates the quadratus femoris muscle.