TBL 13 Flashcards
ligament that extends across the sciatic notch of the hip bone, converting the notch into a foramen
sacrotuberous ligament
the sacrotuberous ligament extends across the ___, converting it into a ___
sciatic notch of the hip bone;
foramen
the sciatic foramen is further subdivided by the ___ ligament and ___ to create the greater and lesser sciatic foramina
sacrospinous ligament;
ischial spine;
the ___ is further subdivided by the sacrospinous ligament and ischial spine to create the ___
sciatic foramen;
greater and lesser sciatic foramina
the sciatic foramen superior to the sacrospinous ligament is called ___, while the inferior foramen is called ___
greater sciatic foramen;
lesser sciatic foramen
___ nerve enters / leaves the ___ through the greater sciatic foramen, while the ___ nerve enters / leaves the ___ through the lesser sciatic foramen
sciatic; pelvis;
pudendal; perineum
proximal attachment of the gluteus maximus
ilium (posterior to the posterior gluteal line) and sacrum / coccyx (dorsal surface)
proximally attaches to the ilium posterior to the posterior gluteal line and dorsal sacrum / coccyx
gluteus maximus
posterior to the posterior gluteal line
ilium
distal attachment of the gluteus maximus
iliotibial tract and gluteal tuberosity
the iliotibial tract inserts into the
lateral condyle of the tibia
distally attaches to the iliotibial tract and gluteal tuberosity
gluteus maximus
innervation of gluteus maximus
inferior gluteal nerve (L5, S1, S2)
innervated by inferior gluteal nerve
gluteus maximus
inferior gluteal nerve originates from
L5, S1, S2
action of gluteus maximus
extension of thigh (from flexed position) and lateral rotation
proximal attachment of gluteus medius
ilium (between anterior and posterior gluteal lines)
distal attachment of gluteus medius
greater trochanter of the femur
proximally attaches to the ilium between the anterior and posterior gluteal lines
gluteus medius
distally attaches to the greater trochanter of the femur
gluteus medius, gluteus minimus, piriformis, obturator internus, superior gemelli, inferior gemelli
innervation of the gluteus medius
superior gluteal nerve (L5, S1)
innervated by the superior gluteal nerve
gluteus medius and minimus and tensor fasciae latae
superior gluteal nerve originates from
L5, S1
action of the gluteus medius
abduction and medial rotation of the thigh
proximal attachment of the gluteus minimus
ilium (between the anterior and inferior gluteal lines)
proximally attaches to the ilium between the anterior and inferior gluteal lines
gluteus minimus
distal attachment of the gluteus minimus
greater trochanter of the femur
innervation of the gluteus minimus
superior gluteal nerve (L5, S1)
proximal attachment of the tensor fasciae latae
anterior superior iliac spine (ASIS) and iliac crest
proximally attaches to the ASIS and iliac crest
tensor fasciae latae
distal attachment of the tensor fasciae latae
iliotibial tract
distally attaches to the iliotibial tract
gluteus maximus, tensor fasciae latae
innervation of the tensor fasciae latae
superior gluteal nerve (L5, S1)
action of the tensor fasciae latae
abduction and medial rotation of thigh
action of the gluteus minimus
abduction and medial rotation of thigh
purpose is to identify weakness of the hip abductors
Trendelenburg test
purpose of the trendelenburg test
to identify weakness of the hip abductors
can be used to assess other mechanical, neurological, or spinal disorders
trendelenburg test
trendelenburg test can be used to assess other
mechanical, neurological, or spinal disorders (congenital dislocation of hip, hip subluxation)
positive trendelenburg test includes ___ on the ___ side during a ___ on the ___ side
pelvis drop; contralateral;
single leg stand; affected
proximal attachment of the piriformis
anterior surface of the sacrum and sacrotuberous ligament
proximally attaches to the anterior surface of the sacrum and sacrotuberous ligament
piriformis
distal attachment of the piriformis
greater trochanter of the femur
innervation of the piriformis
branches of the anterior rami of S1 and S2
innervated by the branches of the anterior rami of S1 and S2
piriformis
action of the piriformis
laterally rotate extended thigh and abduct flexed thigh
laterally rotates extended thigh
piriformis
abducts flexed thigh
piriformis
abducts thigh
gluteus medius, gluteus minimus, tensor fasciae latae, obturator internus, superior gemelli, inferior gemelli
medially rotates thigh
gluteus medius, gluteus minimus, tensor fasciae latae
extends thigh
gluteus maximus, semitendinosus, semimembranosus, biceps femoris
laterally rotates thigh
gluteus maximus, obturator internus, superior gemelli, inferior gemelli, quadratus femoris
proximal attachment of obturator internus
obturator membrane (pelvis surface)
proximally attaches to the pelvic surface of the obturator membrane
obturator internus
distal attachment of the obturator internus
greater trochanter of the femur
innervation of obturator internus
nerve to obturator internus (L5, S1)
innervated by the nerve to obturator
obturator internus, superior gemelli
nerve to obturator originates from
L5, S1
action of obturator internus
lateral rotation and abduction of thigh
proximal attachment of superior gemelli
ischial spine
proximally attaches to the ischial spine
superior gemelli
distal attachment of superior gemelli
greater trochanter of the femur
innervation of superior gemelli
nerve to obturator internus
action of superior gemelli
lateral rotation and abduction of thigh
proximal attachment of inferior gemelli
ischial tuberosity
proximally attaches to the ischial tuberosity
inferior gemelli, quadratus femoris, semitendinosus, semimembranosus, long head of the biceps formis
distal attachment of inferior gemelli
greater trochanter of the femur
action of inferior gemelli
lateral rotation and abduction of thigh
proximal attachment of quadratus femoris
ischial tuberosity
innervation of inferior gemelli
nerve to quadratus femoris (L5, S1)
innervated by the nerve to quadratus femoris
inferior gemelli, quadratus femoris
distal attachment of quadratus femoris
quadrate tubercle of femur
distally attaches to the quadrate tubercle of the femur
quadratus femoris
nerve to quadratus femoris originates from
L5, S1
action of quadratus femoris
lateral rotation and adduction of thigh
gluteal muscles include:
gluteus maximus / medius / minimus, tensor fasciae latae, piriformis, obturator internus, superior / inferior gemelli, quadratus femoris
hamstring muscles include:
semitendinosus, semimembranosus, biceps femoris
proximal attachment of semitendinosus
ischial tuberosity
distal attachment of semitendinosus
medial surface of superior tibia
distally attaches to the medial surface of superior tibia
semitendinosus
innervation of semitendinosus
tibial division of sciatic nerve (L5, S1, S2)
innervated by the tibial division of sciatic nerve
semitendinosus, semimembranosus, long head of the biceps femoris
action of semitendinosus
extends thigh and flexes leg
flexes leg
semitendinosus, semimembranosus, biceps femoris
the tibial division of sciatic nerve originates from
L5, S1, S2
proximal attachment of semimembranosus
ischial tuberosity
distal attachment of semimembranosus
posterior part of medial condyle of the tibia
distally attaches to the posterior part of the medial condyle of the tibia
semimembranosus
innervation of semimembranosus
tibial division of sciatic nerve part of tibia
action of semimembranosus
extension of thigh and flexion of leg
proximal attachment of biceps femoris
long head – ischial tuberosity;
short head – femur (linea aspera)
proximally attaches to the femur (linea aspera)
short head of the biceps femoris
distal attachment of the biceps femoris
head of the fibula
distally attaches to the head of the fibula
biceps femoris
innervation of the biceps femoris
long head – tibial division of sciatic nerve;
short head – common fibular division of sciatic nerve
innervated by the common fibular division of the sciatic nerve
short head of the biceps femoris
the common fibular division of the sciatic nerve originates from
L5, S1, S2
action of biceps femoris
extension of thigh and flexion of leg
hip joint ligaments include:
iliofemoral, pubofemoral, ischiofemoral, ligament of the head of the femur, transverse acetabular femur
ligament located anteriorly and superiorly to the hip
iliofemoral
ligament attached to the anterior inferior iliac spine
iliofemoral
ligament attached to the intertrochanteric line of femur
iliofemoral
iliofemoral ligament is located ___ to the hip
anteriorly and superiorly
iliofemoral ligament is attached to the
anterior inferior iliac spine and intertrochanteric line of the femur
ligament that prevents hyperextension of the hip joint
iliofemoral
iliofemoral ligament prevents ___ of the hip joint
hyperextension
ligament located anteriorly and inferiorly to the hip
pubofemoral
ligament attached to the pubic bone (obturator crest)
pubofemoral
ligament attached to the medial part of the iliofemoral ligament
pubofemoral
pubofemoral ligament is located ___ to the hip
anteriorly and inferiorly
pubofemoral ligament is attached to the
pubic bone (obturator crest) and medial part of the iliofemoral ligament
pubic bone is also called
obturator crest
ligament that prevents overabduction of the hip joint
pubofemoral
pubofemoral ligament prevents ___ of the hip joint
overabduction
ligament that is located posteriorly to the hip
ischiofemoral
ischiofemoral ligament is located ___ to the hip
posteriorly
ligament attached to the ischium
ischiofemoral
ligament attached to the greater trochanter
ischiofemoral
ischiofemoral ligament attaches to the
ischium and greater trochanter
ligament that prevents internal (medial) rotation of the hip joint
ischiofemoral
ischiofemoral ligament prevents ___ of the hip joint
internal (medial) rotation
ligament that is primarily a synovial fold conduction a blood vessel
ligament of the head of the femur
ligament of the head of the femur is primarily a
synovial fold conducting a blood vessel
ligament that is weak and of little importance in strengthening the hip joint
ligament of the head of the femur
ligament of the head of the femur is
weak and of little importance in strengthening the hip joint
ligament attached to the margins of the acetabular notch
wide end of the ligament of the head of the femur
ligament attached to the transverse acetabular ligament
wide end of the ligament of the head of the femur
ligament attached to the fovea for the ligament of the head
narrow end of the ligament of the head of the femur
ligament of the head of the femur attaches to the
wide end — margins of the acetabular notch and the transverse acetabular ligament;
narrow end – fovea for the ligament of the head
ligament that is a continuation of the acetabular labrum
transverse acetabular ligament
transverse acetabular ligament is
a continuation of the acetabular labrum
bridges the acetabular notch
acetabular labrum
purpose of the acetabular labrum
bridges the acetabular notch
branches of the medial and lateral circumflex femoral arteries
retinacular arteries
main blood supply to the head of the femur
retinacular arteries
retinacular arteries are branches of the ___ that are the main supply to the ___
medial and lateral circumflex femoral arteries;
head of the femur
branch of the obturator artery
artery to the head of the femur
artery that traverses the ligament of the head of the femur
artery to the head of the femur
the artery to the head of the femur is a branch of the ___ and traverses the ___
obturator artery;
ligament of the head of the femur