Pin Pointing Numbness of the Hip
Vastus Lateralis pg 300
Origin- lateral liip of linea aspera, gluteal tuberosity
Insertion- tibial tuberosity
Movement - extend the knee
Joint - coxal
Tensor Fasciae Latae pg 318
Origin- iliac crest, posterior to the ASIS
Insertion- iliotibial tract
Movement - flex the hip, medially rotate the hip, abduct the hip
Joint - coxal
Nerve - superior gluteal
Piriformis pg 322
Origin - anterior surface of sacrum
Insertion- greater trochanter
Movement - laterally rotate the hip, abduct the flexed hip
Joint - coxal
Nerve - branch of sacral plexus
Gluteus medius pg 309
Origin- gluteal surface of the ilium between the iliac crest and the posterior and anterior gluteal lines
Insertion- greater trochanter
Movement - abduct the hip , anterior fibers: flex the hip, medially rotate the hip posterior fibers: extend the hip, laterally rotate the hip
Joint - coxal
Nerve - superior gluteal
Gluteus maximus pg 309
Origin- coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments
Insertion- gluteal tuberosity (upper fibers) and iliotibial tract (lower fibers)
Movement - extend the hip, lateraly rotate the hip, abduct the hip lower fibers: adduct the hip
Joint - coxal
Nerve - inferior gluteal
Quadratus lumborum pg 300
Origin- posterior iliac crest
Insertion - last rib and transverse processes of first through fourth lumbar vertebrae
Movement - unilaterally: laterally tilt the pelvis, laterally flex the vertebral column to the same side , assist to extend the vertebral column, bilaterally: fix the last rib during inhalation and forced exhalation
Nerve - branches of first lumbar and twelfth thoracic