Anatomy Workshop Pelvis & Hip & Thigh Myology

Lateral thigh

Tensor fascia lata

Origin : Iliac crest 의 ant. Part ASIS(Ant sup iliac spine) Insertion : iliotibial tract Action Hip Abduction, Flexion

Anterior thigh

Sartorius Origin :ASIS Insertion :Proximal medial tibia(Pes anserinus) Action 1.Hip Flex, ER 2. Knee weak IR at knee flexed

Quadriceps femoris

Rectus femoris

Origin Insertion Action 1. Hip Flexion 1.AIIS(ant inf iliac spine) 2.superior rim of acetabulum Insertion Patella Tibial tubercle Action 1. Hip Flexion 2. Knee extension

Vastus lateralis

Origin 1. Greater trochanter 2. Lateral linea aspera Insertion Lateral patella Tibial tubercle Action :Knee Extension

Vastus medialis

Origin Insertion Action : Knee Extension 1.Intertrochanteric line 2. medial linea aspera Insertion 1. Medial patella 2. Tibial tubercle Action : Knee Extension

Vastus intermedius

Origin :Proximal femoral shaft Insertion 1.Patella 2. Tibial tubercle Action : Knee Extension

MEDIAL thigh

Pectineus

Origin :Pectineal line of pubis Insertion :Pectineal line of femur Action :Flex and adduct hip

Adductor longus

Origin :Body of pubis(inferior) Insertion :Linea aspera Action :Adducts hip

Gracilis

Origin :Body and inferior pubic ramus Insertion :Proximal medial tibia(Pes anserinus) Action 1.Adducts hip 2.Flex, IR knee

Obturator externus

Origin :Ischiopubic rami, obturator membrane Insertion :Trochanteric fossa Action :ER hip

Adductor brevis

Origin :Body and inferior pubic ramus Insertion :Pectineal line, upper linea aspera Action :Adducts, flex, IR hip

Adductor magnus

:Ischiopubic ramus ischial tuberosity Origin :Ischiopubic ramus ischial tuberosity Insertion 1. Linea aspera 2. Adductor tubercle Action 1.Powerful Adductor of the hip 2.Upper portion : Flex, ER 3.Lower portion : Ext, IR

Knee Extensor Quadriceps femoris 1. Rectus femoris 2. Vastus lateralis 3. Vastus intermedius 4. Vastus medialis

Knee Extensor Innervation : Femoral nerve

Hip Adductor Adductor brevis Adductor longus Adductor magnus

Hip Adductor Innervation : Obturator nerve

Thank you !!