PT 662 Hip Muscles Flashcards
Adductor brevis m.
Body and inferior ramus of pubis
Pectineal line and proximal part of linea aspera of femur
Obturator nerve
L2, L3, L4
Adducts thigh at hip, weak hip flexor
Adductor longus m.
Body of pubis inferior to pubic crest
Middle one-third of linea aspera of femur
Obturator nerve
L2, L3, L4
Adducts thigh at hip
Adductor magnus m.
“Adductor part:ischiopubic ramus
Hamstring part:ischial tuberosity”
“Adductor part:gluteal tuberosity, linea aspera, medial supracondylar line
Hamstring part:adductor tubercle of femur”
“Adductor part:obturator nerve
Hamstring part:sciatic nerve (tibial division)”
Adductor part: L3, L4
Hamstring part: L4
“Adductor part:adducts and flexes thigh
Hamstring part:extends thigh”
Gluteus maximus m.
Ilium posterior to posterior gluteal line, dorsal surfaces of sacrum and coccyx, sacrotuberous ligament
Lateral condyle of tibia (via iliotibial tract), gluteal tuberosity of femur
Inferior gluteal nerve
S1, S2
Extends flexed thigh, assists in lateral rotation, and abducts thigh
Gluteus medius m.
Gluteal surface of ilium between anterior and posterior gluteal lines
Lateral surface of greater trochanter of femur
Superior gluteal nerve
L5, S1
Abducts and medially rotates thigh
Gluteus minimus m.
Gluteal surface of ilium between anterior and inferior gluteal lines
Anterior surface of greater trochanter of femur
Superior gluteal nerve
L5, S1
Abducts and medially rotates thigh
Iliacus m.
Superior two-thirds of iliac fossa, iliac crest, ala of sacrum, anterior sacroiliac ligament
Lesser trochanter and body of femur
Femoral nerve
L1, L2
Flexes thigh
Inferior gemellus m.
Ischial tuberosity
Greater trochanter of femur
Nerve to quadratus femoris muscle
no myotomes
Laterally rotates extended thigh and abducts flexed thigh
Superior gemellus m.
External surface of ischial spine
Medial surface of greater trochanter of femur
Nerve to obturator internus muscle
no myotome
Laterally rotates extended thigh and abducts flexed thigh
Obturator internus m.
Pelvic surface of obturator membrane, margins of obturator foramen
Greater trochanter of femur
Nerve to obturator internus muscle
S1
Laterally rotates extended thigh, abducts flexed thigh
Obturator externus m.
Margins of obturator foramen, external surface of obturator membrane
Trochanteric fossa of femur
Obturator nerve
L4
Laterally rotates thigh
Pectineus m.
Superior ramus of pubis
Pectineal line of femur
Femoral nerve (sometimes also obturator nerve)
L2
Adducts and flexes thigh
Piriformis m.
Anterior surface of sacral segments 2–4, superior margin of greater sciatic notch, sacrotuberous ligament (inconstant)
Superior border of greater trochanter of femur
Nerve to piriformis muscle
S1, S2
Laterally rotates extended thigh, abducts flexed thigh
Psoas major m.
Transverse processes of lumbar vertebrae, sides of bodies of T12–L5 vertebrae, intervening intervertebral discs
Lesser trochanter of femur
Anterior rami of L1‒L3 spinal nerves
L1, L2
Acting superiorly with iliacus, flexes hip; acting inferiorly, flexes vertebral column laterally; used to balance trunk in sitting position; acting inferiorly with iliacus, flexes trunk
Psoas minor m.
just know its there (under Psoas major)
