Hip and leg Flashcards
Adductor brevis origin
Inferior ramus of the pubis
Adductor brevis insertion
Pectineal line and medial lip of the linea aspera
Adductor brevis actions
Adduct and medially rotate the hip at the coxal joint. Assist to flex the hip at the coxal joint.
Adductor brevis innervation
Obturator nerve
Gemellus inferior origin
Ischial tuberosity
Gemellus inferior insertion
Medial surface of the greater trochanter
Gemellus inferior actions
Laterally rotate the hip at the coxal joint
Gemellus inferior innervation
Sacral plexus
Gemellus superior origin
Ischial spine
Gemellus superior insertion
Medial surface of the greater trochanter
Gemellus superior action
Laterally rotate the hip at the coxal joint.
Gemellus superior innervation
Sacral plexus
Obturator externus origin
Rami of the pubis and ischium, obturator membrane
Obturator externus actions
Laterally rotate the hip at the coxal joint
Obturator externus insertion
Trochanteric fossa of the femur
Obturator externus innervation
Obturator nerve
Obturator internus origin
Obturator membrane and inferior surface of the obturator foramen.
Quadratus femoris origin
Lateral border of the ischial tuberosity
Obturator internus innervation
Sacral plexus
Obturator internus action
Laterally rotate the hip at the coxal joint.
Quadratus femoris insertion
Intertrochanteric crest, getween the greater and lesser trochanters.
Quadratus femoris action
Laterally rotate the hip at the coxal joint
Quadratus femoris innervation
Sacral plexus
Quadratus femoris palpation key
Prone, locate the distal, posterior portion of the greater trochanter and ischial tuberosity. Press through the glute max and strum the fibers.
Piriformis origin
Anterior surface of the sacrum
Piriformis insertion
Superior aspect of the greater trochanter
Piriformis actions
Laterally rotate the hip and abduct the hip when it is flexed.
Piriformis innervation
Sacral plexus
Piriformis palpartion key
Prone, locate coccyx, PSIS and greater trochanter. Piriformis is found along the T line.
Sartorius origin
ASIS
Sartorius insertion
Proximal, medial shaft of the tibia at the pes anserinus tendon
Sartorius actions
Flex, laterally rotate and abduct the hip. Flex the knee and medially rotate the flexed knee.
Sartorius innervation
Femoral nerve
Sartorius palpation key
Supine, rest the foot on the opposite knee. Raise the knee towards the cieing and strum.
Gracilis origin
Inferior ramus of the pubis
Gracilis insertion
Proximal, medial shaft of the tibia at the pes anserinus tendon.
Gracilis actions
Adduct and medially rotate the hip. Flex the knee and medially rotate the flexed knee.
Gracilis innervation
Obturator nerve
Gracilis palpation key
Resist adduction and strum across the fibers.
Gluteus minimum origin
Gluteal surface of the ilium between the anterior and inferior gluteal lines.
Gluteus minimus insertion
Anterior aspect of the greater trochanter.
Gluteus minimus actions
Abduct, medially rotate and flex the hip.
Gluteus minimus innervation
Superior gluteal nerve.
Adductor magnus origin
Inferior ramus of the pubis
Adductor magnus insertion
Medial lip of the linea aspera and the adductor tubercle.
Adductor magnus actions
Adduct and medially rotate the hip. Assist to flex the hip. Posterior fibers extend the hip.
Adductor magnus innervation
Obturator and sciatic nerves
Adductor magnus palpation key
Side-lying with the top hip flexed. Resist adduction and strum across fibers.
Muscles which flex the hip
Psoas major, iliacus, TFL, sartorius, rectus femoris, glute med. (ant), glute min.
Muscles which assist to flex the hip
Adductor longus, pectineus, adductor brevis and magnus
Muscles which extend the hip
Glute max, hamstrings, adductor magnus (post), glute med. (post).
Muscles which medially rotate the hip
Glute med. (ant), glute min., TFL, adductor magnus, longus and brevis.
Muscles which laterally rotate the hip
Glute max, piriformis, quadratus femoris, obturator internus and externus, gemellus inferior and superior, biceps femoris (long head).
Muscles which abduct the hip
Glute max, med and min, TFL, sartorius and piriformis when the hip is flexed.
Muscles which adduct the hip
Adductor magnus, longus and brevis, pectineus, gracilis and the lower fibers of glute max.
Muscles which flex the knee
Hamstrings, gracilis, sartorius, gastrocnemius, popliteus, plantaris
Muscles which extend the knee
Rectus femoris, vastus group
Muscles which medially rotate the flexed knee
Semitendinosus, semimembranosus, gracilis, sartorius, popliteus
Muscles which laterally rotate the flexed knee
Biceps femoris
Gluteus medius origin
Gluteal surface of the ilium, between the posterior and anterior gluteal lines, just below the iliac crest.
Tensor fascia latae actions
Flex, medially rotate and abduct the hip
Psoas major origin
Bodies and transverse processe of lumbar vertebrae
Psoas major insertion
Lesser trochanter
Psoas major actions
Flex and laterally rotate the rib, flex the trunk, tilt the pelvis anteriorly, laterally flex the lumbar spine.
Psoas major innervation
Lumbar plexus
Iliacus actions
Flex and laterally rotate the hip, flex the trunk and tilt the pelvis anteriorly.
Iliacus innervation
Femoral nerve
Adductor longus origin
Pubic tubercle
Adductor longus insertion
Medial lip of the linea aspera
Adductor longus actions
Adduct, medially rotate and assist to flex the hip.
Adductor longus innervation
Obturator nerve
Gluteus maximus origin
Coccyx, edge of the sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments.
Pectineus origin
Superior ramus of the pubis
Pectineus insertion
Pectineal line of the femur
Pectineus actions
Adduct, medially rotate and assist to flex the hip.
Pectineus innervation
Femoral and obturator nerves
