Hip muscles Flashcards
Psoas major
Origin: vertebral bodies of T12-L4, intervertebral discs between T12-L4, transverse processes of L1-L5
Insertion: lesser trochanter of femur
Innervation: ventral rami of spinal nerve L1-3
Iliacus
Origin: iliac fossa
insertion: lesser trochanter of femur
Innervation: Femoral nerve (L1-3)
Sartorius
Origin: ASIS
Insertion: proximal tibia below medial condyle
Innervation: Femoral nerve (L2-3)
Gluteus maximus
Origin: posterior sacrum and coccyx, gluteal surface of ilium, thoracolumbar fascia
Insertion: Iliotibial tract, gluteal tuberosity of femur
Innervation: Inferior gluteal nerve (L5,S1, S2)
Gluteus medius
Origin: gluteal surface of ilium
Insertion: greater trochanter of femur
Innervation: Superior gluteal nerve (L4-S1)
Gluteus minimus
Origin: gluteal surface of ilium
Insertion: greater trochanter of femur
Innervation: Superior gluteal nerve (L4-S1)
Tensor fascia latae
Origin: iliac crest, ASIS
Insertion: Iliotibial tract
Innervation: Superior gluteal nerve (L4-S1)
Adductor longus
Origin: body of pubis
Insertion: linea aspera of femur
Innervation: Obturator nerve (L2-L4)
Adductor brevis
Origin: body of pubis, inferior pubic ramus
Insertion: linea aspera of femur
Innervation: Obturator nerve (L2-L4)
Adductor magnus
Origin: inferior pubic ramus, ischial tuberosity
Insertion: gluteal tuberosity, linea aspera, adductor tubercle
Innervation: Obturator nerve (L2-L4) and Tibial nerve (L4)
Gracilis
Origin: body of pubis, inferior pubic ramus, ischial ramus
Insertion: medial surface of proximal tibia
Innervation: Obturator nerve (L2-3)
Pectineus
Origin: superior pubic ramus
Insertion: pectineal line and linea aspera of femur
Innervation: Femoral and obturator nerve (L2-3)
Obturator internus
Origin: posterior surface of obturator membrane
Insertion: greater trochanter
Innervation: nerve to obturator internus (L5 and S1)
Obturator externus
Origin: anterior surface of obturator membrane
Insertion: trochanteric fossa of femur
Innervation: Obturator nerve (L3 and L4)
Gemellus superior
Origin: ischial spine
Insertion: greater trochanter
Innervation: Nerve to obturator internus (L5 and S1)