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Dec 30, 2023
The muscles of the pelvic girdle are responsible for supporting and stabilizing the pelvis, as well as facilitating movement of the lower limbs. There are several key muscles in this area:
1. Gluteus maximus: This is the largest muscle in the body and forms the bulk of the buttocks. It extends the hip joint and helps with movements such as standing up from a seated position or climbing stairs.
2. Gluteus medius and gluteus minimus: These muscles are located on the lateral side of the hip and are responsible for abduction and rotation of the hip joint. They also help to stabilize the pelvis during walking or running.
3. Piriformis: This muscle is located deep within the buttocks and helps to rotate the hip joint. It is also involved in stabilizing the pelvis during walking or running.
4. Obturator internus and externus: These muscles are located on the medial side of the hip and help to rotate the hip joint. They also contribute to the stability of the pelvis.
5. Quadratus femoris: This muscle is located on the posterior side of the hip and helps to laterally rotate the hip joint. It also assists in stabilizing the pelvis.
6. Iliopsoas: This muscle is a combination of the iliacus and psoas major muscles. It is located deep within the abdomen and connects the lumbar spine to the femur. It is responsible for flexing the hip joint and plays a role in walking, running, and sitting up from a lying position.
7. Pelvic floor muscles: These muscles form the base of the pelvis and support the pelvic organs, including the bladder, uterus, and rectum. They also play a role in controlling urination and bowel movements.
Overall, the muscles of the pelvic girdle are essential for maintaining stability, supporting movement, and facilitating various functions of the lower limbs and pelvic organs.
1. Gluteus maximus: This is the largest muscle in the body and forms the bulk of the buttocks. It extends the hip joint and helps with movements such as standing up from a seated position or climbing stairs.
2. Gluteus medius and gluteus minimus: These muscles are located on the lateral side of the hip and are responsible for abduction and rotation of the hip joint. They also help to stabilize the pelvis during walking or running.
3. Piriformis: This muscle is located deep within the buttocks and helps to rotate the hip joint. It is also involved in stabilizing the pelvis during walking or running.
4. Obturator internus and externus: These muscles are located on the medial side of the hip and help to rotate the hip joint. They also contribute to the stability of the pelvis.
5. Quadratus femoris: This muscle is located on the posterior side of the hip and helps to laterally rotate the hip joint. It also assists in stabilizing the pelvis.
6. Iliopsoas: This muscle is a combination of the iliacus and psoas major muscles. It is located deep within the abdomen and connects the lumbar spine to the femur. It is responsible for flexing the hip joint and plays a role in walking, running, and sitting up from a lying position.
7. Pelvic floor muscles: These muscles form the base of the pelvis and support the pelvic organs, including the bladder, uterus, and rectum. They also play a role in controlling urination and bowel movements.
Overall, the muscles of the pelvic girdle are essential for maintaining stability, supporting movement, and facilitating various functions of the lower limbs and pelvic organs.
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