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NWHSU GA 1-review mm

muscles in butt/thigh

QuestionAnswer
what is the origin and insertion of the Sartorius m.? O.. Anterior Superir Iliac Spine (asis) I.. Upper Medial Shaft of tibia
What is the action of the Sartorius m.? Assists in: Flexion of femur, Abduction of femur lateral rotation of femur flexion of the knee medial rotation of tibia (when knee is flexed and foot is unweighed)
what innervates the sartorius m.? Femoral n. (L2,3)
origin and insertion of the Psoas major O: TP's of L1-5, T12-L5- IVD I: Lesser trochanter of femur
origin and insertion of the iliacus o: iliac fossa of ilium I: lesser trochanter of femur
innervation of iliopsoas femoral n (L2,3)
action of iliopsoas flexion of femur, Psoas maj: flexion of trunk, assists lateral flexion of trunk (both in lumbar spine)
Psoas minor is not present in most people. where is it if it is present? origin and insertion? Small m. in front of psoas major O: T12 vertebra I: pelvic rim
what mm make up the quadriceps femoris? Rectus femoris, vastus intermedius/medialis/lateralis
origin and insertion of rectus femoris O: ASIS, ilium at upper rim of acetabulum I: patella, Tibial tuberosity via patellar ligament
action of rectus femoris extension of knee, assists flexion of femur
innervation of rectus femoris femoral n (L2,3,4)
what is the only muscle in the quads that crosses both the hip and the knee joint? Rectus femoris
origin and insertion of the vastus medialis O: linea aspera of femur, intertrochanteric line of femur I: patella, tibial tuberosity via petellar ligament
origin and insertion of the vastus lateralis O: linea aspera of femur, greater trochanter of femur I: patella, tibial tuberosity via petellar ligament
origin and insertion of the vastus intermedius O: anterior and lateral femoral shaft I: patella, tibial tuberosity via petellar ligament
action of the quadriceps femoris extension of the knee
innervation of the quadriceps femoris femoral n (L2,3,4)
what quadricep muscle is the largest vastus lateralis
origin and insertion of the pectineus O: superior ramus of anterior pubis I: pectineal line of femur, inferior to lesser trochanter
action of the pectineus flexion of femur, adduction of femur, assists medial roation of femur
innervates the pectineus femoral n (L2,3)
what is the only hip adductor supplied by the femoral nerve pectineus
origin and insertion for adductor longus O: Anterior pubis- body, inferior to pubic crest I: Linea aspera of femur - middle 1/3
origin and insertion of the adductor brevis O: anterior pubis - body and inferior ramus I: linea aspera of femur - proximal part pectineal line of femur
action of adductor longus/brevis adduction of femur, assists flexion of femur
innervation of adductor longus/brevis obturator n.
what muscle forms the medial border of the femoral triangle that contains the femoral N.A.V. Adductor longus
Origin and insertion of adductor magnus O: Anterior Head- inferior ramus of pubis, Posterior Head-ischial tuberosity, ramus of ischium I: Anterior Head- adductor tubercle of femur, posterior head-linea aspera of femur
action of adductor magnus adduction of femur, Ant. Head-assists in flexion of femur, assists medial rotation of femur; post. head-assists extension of femur, assists lateral rotation of femur
innervation of adductor magnus Ant/head-obturator n. (L2,3,4); post/head-sciatic n (L4)
What travels through the adductor hiatus? Femoral artery/vein
origin and insertion of gracilis O: inferior ramus of anterior pubis I: medial proximal tibia
action of gracilis adduction of femur, assists flexion of knee, assists medial rotation of tibia when knee is flexed
innervation of gracilis obturator n (L2,3)
origin and insertion of the gluteus maximus o: posterior sacrum, ilium (via sacrotuberous ligament), posterior (superior) gluteal line of ilium I: gluteal tuberosity of femur, IT tract (attaching to lateral condyle of tibia)
action of gluteus maximus extension of femur, lateral rotation of extended hip
innervation of gluteus maximus inferior gluteal n. (L5, S1,2)
name the three gluteus mm from superficial to deep gluteus: max., med., min.
origin and insertion of gluteus medius o: iliac crest of ilium, ilium-between posterior (superior) and anterior (middle gluteal lines I: greater trochanter of femur
action of gluteus medius abduction of femur, anterior fibers: medial rotation of femur
innervation of gluteus medius superior gluteal n (L5, S1)
What muscle prevents "contra" lateral hip drop Gluteus medius
origin and insertion of gluteus minimus o: posterior ilium-between anterior (middle) and inferior gluteal lines I: anterior surface of greater trochanter of femur
action of gluteus minimus abduction, medial rotation of femur
innervation of gluteus minimus superior gluteal n. (L5, S1)
what muscle steady the pelvis during ipsilateral weight bearing gluteus minimus
origin and insertion of Tensor Fasciae Latae (TFL) o: iliac crest -posterior to anterior superior spine I: IT tract (attaches to the lateral condyle of the tibia)
action of the Tensor Fasciae Latae (TFL) assists: flexion, abduction, and medial rotation of the femur stability of extended knee in standing and ambulation extension of knee
innervation of Tensor Fasciae Latae (TFL) superior gluteal n (L5, S1)
what are the names of the six deep lateral rotators of the femur gemellus superior, obturator internus, obturator externus, gemellus inferior, quadratus femoris, piriformis
origin and insertion of piriformis o: pelvic surface of sacrum I: greater trochanter of femur N: Sacral plexus ((L5), S1,2)
action of six deep muscles of the femur lateral rotation of the femur
origin and insertion of gemellus superior o: ischial spine I: greater trochanter of femur N: sacral plexus (L5, S1,2,(3))
origin and insertion of obturator internus O: internal or pelvic surface of obturator membrane and margin of obturator foramen I: greater trochanter of femur N: sacral plexus (L5, S1,2,(3))
origin and insertion of obturator externus O: Rami of pubis and ischium and external surface of obturator membrane I: greater trochanter of femur N: obturator (L3,4)
origin and insertion of gemellus inferior o: ischial tuberosity I: greater trochanter of femur N: sacral plexus (L4,5, S1,(2))
origin and insertion of quadratus femoris O: tuberosity of ischium I: quadrate line N: sacral plexus (L4,5,S1,(2))
origin and insertion of biceps femoris O: long head: ischial tuberosity short head: linea aspera I: head of fibula - lateral aspect lateral condyle of tibia
action of biceps femoris flexion of knee, lateral rotation of tibia when knee is flexed; Long head: extension of femur
innervation of biceps femoris long head: sciatic n. tibial division; Short head: sciatic n. fibula division
origin and insertion of semitendinosus o: ischial tuberosity I: anterior proximal tibial shaft
origin and insertion of semimembranosus o: ischial tuberosity I: posterior medial tibial condyle
action of semitendinosus and semimembranosus extension of femur, flexion of knee, medial rotation of tibia when knee is flexed
innervation of semitendinosus and semimembranosus sciatic n.-tibial division (L5,S1,2)
Created by: brownoldshoes