Gluteal Region Muscles Flashcards
What muscles are part of the superficial group of the gluteal region?
gluteus maximus, medius, minimus and tensor fascia lata
What muscles are part of the deep group of the gluteal region?
piriformis, superior and inferior genillus, obturator internus and externus , quadratus femoris
What is the common function of the deep group of the gluteal region?
lateral rotation of the thigh at the hip joint
What is the most superficial muscle in the gluteal region?
Gluteus Maximus
What is the origin of the gluteus maximus?
posterior iliac crest, posterolateral sacrum, coccyx, sacrotuberous ligament
What is the insertion of the Gluteus maximus?
IT band and gluteal tuberosity of the femur
What are the functions of the gluteus maximus?
ext of thigh @ hip joint, lateral rotation of thigh @ hip joint, AB of thigh @ hip joint, ADD of thigh @ hip joint, posterior pelvic tilt @ hip joint
What is the main function of the gluteus maximus?
Abduction of the thigh @ hip joint
What nerve innervates the gluteus maximus?
inferior gluteal nerve
What is the deltoid of the lower limb?
gluteus medius
True or false: the gluteus medius covers the gluteus maximus
False: the posterior 1/3 of the glute medius is covered by glute max
What is the origin of the gluteus medius?
external surface of the ilium between the anterior and posterior gluteal lines
What is the insertion of the gluteus medius?
greater trochanter of the femur
What are the functions of the gluteus medius?
AB of thigh @ hip joint, flex of thigh @ hip joint, med rotation of thigh @ hip joint, lat rotation of thigh @ hip joint, ext of thigh @ hip joint
What nerve innervates the gluteus medius?
superior gluteal nerve
What is the origin of the gluteus minimus?
gluteal surface of the ilium between the anterior and inferior gluteal lines
What is the insertion of the gluteus minimus?
anterior surface of the greater trochanter
What is the origin of the tensor fascia lata?
lateral aspect of the ASIS and the anterior part of the iliac crest
What is the insertion of the tensor fascia lata?
IT band 1/3 down
What are the functions of the tensor fascia lata
flex of thigh @ hip joint, AB of thigh @ hip joint, medial rotation of thigh @ hip joint
True or false: TFL helps keep the knee locked
True
What nerve innervates the TFL?
superior gluteal nerve
What is the origin of the piriformis?
anterior sacrum and anterior surface of the sacrotuberous ligament
What are the functions of the piriformis
lateral rotation of thigh @ hip joint when hip is extended, horizontal AB of thigh @ hip joint
What innervates the piriformis?
nerve to piriformis from sacral plexus
