Pelvis And Thigh Flashcards
Actions of Vastus Medialis, Vastus Lateralis, Vastus Intermedius
Extend the knee
Action of Rectus Femoris
Flex the hip
Extend the knee
Origin of Rectus Femoris
Anterior inferior iliac spine (AIIS)
Origin of Vastus Medialis
Medial lip of linea aspera
Origin of Vastus Lateralis
Lateral lip of linea aspera , gluteal tuberosity , greater trochanter
Origin of Vastus Intermedius
Anterior and lateral shaft of the femur
Insertion of the quadricep femoris group (rectus femoris, vastus medialis, vastus lateralis, vastus intermedius)
Tibial tuberosity
Nerves of the quadricep femoris group (vastus medialis, vastus lateralis, vastus intermedius, rectus femoris)
Femoral L2,3,4
Actions of Gluteus Maximus
All fibers:
Extend the hip
Laterally rotate the hip
Abduct the hip
Lower fibers:
Adduct the hip
Origin of Gluteus Maximus
Coccyx
Edge of sacrum
Posterior iliac crest
Sacrotuberous
Sacroiliac ligaments
Insertions of Gluteus Maximus
Iliotibial tract(IT BAND)
Gluteal tuberosity
Nerve of Gluteus Maximus
Inferior gluteal L5, S1,2
Actions of Gluteus Medius
All fibers:
Abduct the hip
Anterior fibers:
Flex the hip
Medially rotate the hip
Posterior fibers:
Extend the hip
Laterally rotate the hip
Origin of Gluteus Medius
Gluteal surface of ilium
Between posterior and anterior gluteal lines just below the iliac crest
Insertion of Gluteus Medius
Lateral aspect of greater trochanter
Nerve of gluteus medius
Superior gluteal L4,5,S1
Actions of Gluteus Minimus
Abduct the hip
Medially rotate the hip
Flex the hip
Origin of gluteus minimus
Gluteal surface of the ilium between anterior and inferior gluteal lines
Insertion of gluteus minimus
Anterior aspect of greater trochanter
Nerve of gluteus minimus
Superior gluteal L4,5,S1
Actions of Adductor Magnus
Adduct the hip
Medially rotate the hip
Posterior fibers:
Extend the hip
Origin of Adductor Magnus
Inferior ramus of the pubis
Ramus ischium
Ischial tuberosity
Insertion of Adductor Magnus
Medial lip of linea aspera
Adductor tubercle
Nerve of Adductor Magnus
Obturator L2,3,4
Sciatic L4,5,S1
Actions of Adductor Longus
Adduct the hip
Medially rotate the hip
Origin of Adductor Longus
Pubic tubercle
Insertion of adductor longus
Medial lip of linea aspera
Nerves of adductor longus
Obturator L2,3,4
Actions of adductor brevis
Adduct the hip
Medially rotate the hip
Origin of adductor brevis
Inferior ramus of pubis
Insertion of adductor brevis
Pectineal line
Medial lip of linea aspera