LE OIANS Flashcards
(119 cards)
Iliopsoas (Iliacus, psoas major, & psoas minor)
O & I
Origin-
- Illiacus-
- Iliac fossa
- Psoas Major-Bodies &
- Transverse processes
- Lumbar Vert.
Insertion-
- Femur at the lesser trochanter (Both)
Iliopsoas
(Iliacus, psoas major, & psoas minor)
ACTION
Hip flexion
Iliopsoas
(Iliacus, psoas major, & psoas minor)
INNERVATION
Iliacus/PsoasMajor portion:
Femoral nerve (L1- L4)
Pectineus
ORIGIN AND INSERTION
ORIGIN
Superior ramus of the pubis
INSERTION
Pectineal line of the femur
Pectineus
ACTION
adduction of hip joint
Pectineus
INNERVATION
Femoral & obturator nerve (L2, L3, L4)
Gluteus Maximus
ORIGINS AND INSERTIONS
Origin-
- Posterior Illiac crest,
- sacrum
- coccyx
Insertion-
- Posterior femur distal to greater trochanter
- iliotibial band (ITB)
Gluteus Maximus
ACTION
- Hip extension,
- hyperextension
- ER/lateral rotation,
- Abduct hip
Gluteus Maximus
INNERVATION
inferior gluteal nerve (L5, S1, S2)
Gluteus Medius
ORIGIN AND INSERTION
Origin-
- Outer surface of the Illium
Insertion-
- Greater trochanter of the femur
Gluteus Medius
ACTION
- Hip abduction,
- (some flex,
- IR/medial rotation,
- extenstion,
- ER/Lateral rotation)
Gluteus Medius
INNERVATION
Superior gluteal nerve (L4, L5, S1)
Gluteus Minimus
ORIGIN AND INSERTION
Origin-
- Lateral illium
Insertion-
- Anterior aspect of greater trochanter of the femur
Gluteus Minimus
ACTION
- Hip abduction,
- IR/medial rotation,
- Flex
Gluteus Minimus
INNERVATION
Superior gluteal nerve (L4, L5, S1)
Lateral
Rotators of the Hip
NAME THE 6 MUSCLES INVOLVED
Piriformis
Obturator externus
Obturator internus
Gemellus Superior
Gemellus Inferior
Quadratus femoris
External or Lateral Rotators of the Hip
ORGIN AND INSERTION
Origin-
- Posterior sacrum,
- ischium,
- pubis
Insertion-
- Greater trochanter region
Obturator externus
INNERVATION
obturator nerve
Piriformis
INNERVATION
S1, S2
External or Lateral Rotators of the Hip
ACTION
EXTERNAL ROTATION
Piriformis
ORIGIN AND INSERTION
Origin-
- Anterior surface of the sacrum
Insertion-
- Superior aspect of greater trochanter
Piriformis
ACTION
- Hip ER/lateral rotation,
- Abduction (when hip is flexed)
Piriformis
INNERVATION
L5,S1, S2
Tensor Fasciae Latae (TFL)
ORIGIN AND INSERTION
Origin-
- Illiac crest
Insertion-
- Lateral condyle of the tibia (by way of the iliotibial band)