hip Flashcards
what percent of the head of the femur will articulate with the acetabulum?
70%
what is located deep in the pocket of the hip to help cushion the hip joint and compress forces?
fat pad
why is the iliofemoral ligament y shaped?
because it attaches to both the lesser and greater trochanter
what does the iliofemoral ligament resist?
extension, internal and external rotation
what does the pubofemoral ligament resist?
abduction and external rotation
what does the ischiofemoral ligament resist?
adduction and internal rotation
true or false: none of the ligaments at the hip joint restrict flexion?
true
name the 4 bursa’s at the hip?
the trochanteric, iliopsoas, ischiogluteal, gluteofemoral
which bursa is commonly injured in sports?
ischiogluteal
what are the 3 muscles of the gluteal region?
gluteus maximus, medius, and minimus
what is the origin of the gluteus maximus?
post, gluteal line, dorsal sacrum and coccyx, and sacrotuberus ligament
what is the insertion of the gluteus maximus?
ITB and gluteal tuberosity
what is the nerve innervation of the gluteus mamimus?
inferior gluteal nerve (L5, S1 and S2)
what is the action of the gluteus maximus?
extends the hip and does some lateral rotation
what is the origin of the gluteus medius?
between the anterior and posterior gluteal line
what is the insertion of the gluteus medius?
lateral greater trochanter
what is the nerve innervation of the gluteus medius?
superior gluteal nerve (L5 and S1)
what is the action of the gluteus medius?
abducts and medial rotates
what is the origin of the gluteus minimus?
between the anterior and inferior gluteal lines
what is the insertion of the gluteus minimus?
anterior greater trochanter
what is the nerve innervation of the gluteus minimus?
superior gluteal (L5,S1)
what is the action of the gluteus minimus?
abducts and medial rotates
what does the gluteus medius and minimus help stabilize and support?
the pelvis
what is the origin of the piriformis?
anterior surface of the sacrum and the sacrotuberous ligament