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, ER2. Knee weak IR at knee flexed

Quadriceps femoris

Rectus femoris

Origin 1.AIIS(ant inf iliac spine)2.superior rim of acetabulum

Insertion 1.Patella2.Tibial tubercle

Action 1. Hip Flexion2. Knee extension

Vastus lateralis

Origin 1. Greater trochanter 2. Lateral linea aspera

Insertion 1.Lateral patella2.Tibial tubercle

Action :Knee Extension

Vastus medialis

Origin 1.Intertrochanteric line2. medial linea aspera

Insertion 1. Medial patella2. Tibial tubercle

Action : Knee Extension

Vastus intermedius

Origin :Proximal femoral shaft

Insertion 1.Patella2. 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

Origin :Ischiopubic ramus ischial tuberosity

Insertion 1. Linea aspera2. Adductor tubercle

Action 1.Powerful Adductor of the hip2.Upper portion : Flex, ER3.Lower portion : Ext, IR

Knee Extensor

Quadriceps femoris

1. Rectus femoris2. Vastus lateralis3. Vastus intermedius4. Vastus medialis

Knee Extensor

Innervation: Femoral nerve

Hip Adductor

Adductor brevisAdductor longusAdductor magnus

Hip Adductor

Innervation: Obturator nerve

Thank you !!