Anterior Thigh Flashcards
Pectineus Origin
Superior ramus of pubis
Pectineus Insertion
pectineal line of femur
Pectineus Innervation
Femoral Nerve (L2,L3)
Pectineus Action
Adducts and flexes the hip; assists in medial rotation
Sartorius Origin
Anterior Superior Iliac Spine
Sartorius Insertion
Superior Part of medial surface of tibia
Sartorius Innervation
Femoral Nerve (L2,L3)
Sartorius Action
Flexes, abducts, laterally rotates the hip; flexes hip joint
Sartorius Arterial Supply
Femoral artery
Pectineus Arterial Supply
Medial circumflex femoral and obturator arteries
Psoas Major Origin
sides of T12 – L5 vertebrae and discs between them; transverse processes of all lumbar vertebrae
Psoas Major Insertion
lesser trochanter of femur
Psoas Major Innervation
ventral rami of lumbar nerves (L1, L2, L3)
Psoas Major Action
acting with the iliacus it flexes the hip joint and stabilizes the joint; a postural muscle the helps control deviation of the truck and is active during standing
Psoas Major Arterial Supply
Lumbar arteries, lumbar branch of the iliolumbar artery, obturator, external iliac, and femoral arteries
Iliacus Origin
iliac crest, iliac fossa, ala of sacrum, and anterior sacroiliac ligaments
Iliacus Insertion
tendon of psoas major, lesser trochanter of femur
Iliacus Innervation
Femoral nerve (L2, L3)
Iliacus Action
acting with the psoas major it flexes the hip joint and stabilizes the joint
Iliacus Arterial Supply
Iliac branch of the iliolumbar artery, deep circumflex iliac, obturator, and femoral arteries
Rectus Femoris Origin
anterior inferior iliac spine and ilium superior to acetabulum
Rectus Femoris Insertion
via common quadriceps tendon and patellar ligament to the tibial tuberosity
Rectus Femoris Innervation
Femoral nerve (L2, L3, L4)
Rectus Femoris Action
extend knee joint, stabilize, fix hip joint and helps iliopsoas flex hip joint
Rectus Femoris Arterial Supply
deep femoral and lateral circumflex femoral arteries
Vastus Lateralis Origin
greater trochanter and lateral lip of linea aspera
Vastus Lateralis Insertion
via common quadriceps tendon and patellar ligament to the tibial tuberosity, the tibial via the lateral patellar retinacula
Vastus Lateralis Innervation
Femoral nerve (L2, L3, L4)
Vastus Lateralis Action
extend knee joint
Vastus Lateralis Arterial Supply
deep femoral and lateral circumflex femoral arteries
Vastus Medialis Origin
intertrochanteric line and medial lip of linea aspera
Vastus Medialis Insertion
via common quadriceps tendon and patellar ligament to the tibial tuberosity, the tibial via the medial patellar retinacula
Vastus Medialis Innervation
Femoral nerve (L2, L3, L4)
Vastus Medialis Action
extend knee joint
Vastus Medialis Arterial Supply
femoral artery
Vastus Intermedius Origin
anterior and lateral surfaces of shaft of femur
Vastus Intermedius Insertion
via common quadriceps tendon and patellar ligament to the tibial tuberosity
Vastus Intermedius Innervation
Femoral nerve (L2, L3, L4)
Vastus Intermedius Action
extend knee joint
Vastus Intermedius Arterial Supply
deep femoral artery
Tensor fascia latae Origin
Anterior superior iliac spine; anterior part of iliac crest
Tensor fascia latae Insertion
Iliotibial tract, which attaches to the lateral condyle of the tibia
Tensor fascia latae Innervation
Superior gluteal nerve (L4, L5, S1)
Tensor fascia latae Action
Flexes hip joint; acts with the gluteus maximus to stabilize the extended knee joint
Tensor fascia latae Arterial Supply
ascending branch of the lateral circumflex femoral artery and superior gluteal artery
Articularis Genu Origin
anterior aspect of distal one third of femur
Articularis Genu Insertion
synovial membrane of knee joint and suprapatellar bursa
Articularis Genu Innervation
Femoral nerve (L2, L3, L4)
Articularis Genu Action
Pulls suprapatellar bursa superiorly
Articularis Genu Arterial Supply
Femoral artery