origin, insertion, action lower appendicular

Question 1

gluteus maximus

Answer 1

iliac crest, posterior gluteal line and lateral surface of ilium
it band and gluteal tuberosity
extension, abduction, lateral rotation of hip

Question 2

gluteus medius

Answer 2

anterior iliac crest, lateral surface of ilium between posterior and anterior gluteal lines
greater trochanter of femur
abduction and medial rotation at hip

Question 3

gluteus minimus

Answer 3

lateral surface of ilium between inferior and anterior gluteal lines
greater trochanter of femur
abduction and medial rotation at hip

Question 4

tensor fasciae latae

Answer 4

iliac crest and lateral surface of anterior superior iliac spine
iliotibial tract
abduction and medial rotation at hip, extension and lateral rotation at knee

Question 5

obturators (externus and internus)

Answer 5

lateral and medial margins of obturator foramen
trochanteric fossa of femur (externus), medial surface of greater trochanter (internus)
lateral rotation and abduction of hip

Question 8

piriformis

Answer 8

anterolateral surface of sacrum
greater trochanter of femur
lateral rotation and abduction of hip

Question 9

gemelli (superior and inferior)

Answer 9

ischial spine and ischial tuberosity respectively
medial surface of greater trochanter via tendon of obturator internus
lateral rotation and abduction of hip

Question 10

quadratus femoris

Answer 10

lateral border of the ischial tuberosity
intertrochanteric crest of femur
lateral rotation of the hip

Question 11

adductor brevis

Answer 11

inferior ramus of pubis
linea aspera of femur
adduction and flexion at hip

Question 12

adductor longus

Answer 12

inferior ramus of pubis, anterior to adductor brevis
linea aspera of femur
adduction and flexion at hip

Question 13

adductor magnus

Answer 13

inferior ramus of pubis and ischial tuberosity
linea aspera and adductor tubercle of femur
adduction at hip

Question 14

iliacus

Answer 14

iliac fossa
femur distal to lesser trochanter
flexion at hip or lumbar intervertebral joints

Question 15

psoas major

Answer 15

anterior surfaces and transverse processes of verterbrae
lesser trochanter in company with iliacus
flexion at hip and lumbar vertebral joints

Question 16

biceps femoris

Answer 16

ischial tuberosity and linea aspera of the femur
head of fibula, lateral condyle of tibia
flexion at knee, extension at the hip

Question 17

semimembranosus

Answer 17

ischial tuberosity
posterior surface of medial condyle of tibia
flexion at knee, extension at hip

Question 18

semitendinosus

Answer 18

ischial tuberosity
proximal, medial surface of tibia
flexion at knee, extension at hip

Question 19

sartorius

Answer 19

anterior superior iliac spine
medial surface of tibia near tibial tuberosity
flexion at knee, abduction, flexion at hip

Question 20

popliteus

Answer 20

lateral condyle of femur
posterior surface of proximal tibia shaft
medial rotation of tibia, flexion at knee

Question 21

rectus femoris

Answer 21

anterior inferior iliac spine and superior acetabular rim of ilium
tibial tuberosity via quads tendon and patellar ligament
extension at knee, flexion at hip

Question 22

vastus intermedius

Answer 22

anterolateral surface of femur and linea aspera
tibial tuberosity via quads tendon and patellar lig.
extension at knee

Question 23

vastus lateralis

Answer 23

anterior and inferior to greater trochanter of femur and along linea aspera
tibial tuberosity
extension at knee

Question 24

tibialis anterior

Answer 24

lateral condyle and proximal shaft of tibia
base of 1st metatarsal bone and medial cuneiform
dorsiflexion at ankle, inversion of foot

Question 24

vastus medialis

Answer 24

linea aspera tibial tuberosity extension at knee

Question 25

gastrocnemius

Answer 25

femoral condyles calcaneus plantar flexion at ankle, flexion at knee

Question 26

fibularis brevis

Answer 26

midlateral margin of fibula base of 5th metatarsal bone eversion of foot and plantar flexion at ankle

Question 27

fibularis longus

Answer 27

head and proximal shaft of fibula base of first metatarsal bone and medial cuneiform eversion of foot and plantar flexion at ankle

Question 28

plantaris

Answer 28

lateral supracondylar ridge posterior portion of calcaneus plantar flexion at ankle, flexion at knee

Question 29

soleus

Answer 29

head and proximal shaft of fibula, adjacent posteromedial shaft of tibia calcaneus plantar flexion at ankle, postural muscle when standing

Question 30

tibialis posterior

Answer 30

interosseous membrane and adjacent shafts of tibia and fibula navicular, 3 cuneiforms, metatarsals that arent 1 or 5 inversion of foot, plantar flexion

Question 31

flexor digitorum longus

Answer 31

posteromedial surface of tibia inferior surface of distal phalanges 2-5 flexion of toes

Question 32

flexor hallucis longus

Answer 32

posterior surface of fibula inferior surface, distal phalanx of great toe flexion of the big toe

Question 33

extensor digitorum longus

Answer 33

lateral condyle of tibia, anterior surface of fibula superior surfaces of phalanges of toes extension of toes

Question 34

extensor hallucis longus

Answer 34

anterior surface of fibula superior surface, distal phalanx of great toe extension of great toe