Muscle O and I, lower extremity 2

Question 1

Tibialis Anterior

Answer 1

o: lateral condyle of tibia, proximal lateral surface of tibia and interosseous membrane, i: medial and inferior surfaces of medial cuneiform and adjacent surfaces on 1st metatarsal

Question 2

EHL

Answer 2

o: middle one-half of medial surface of fibular and adjacent surface of interosseous membrane,i: dorsal surface of base of distal phalanx of great toe

Question 3

edl

Answer 3

proximal one-half of medial surface of fibula, interosseous membrane and lateral tibial condyle i:basses of distal and middle phalanges of laeral four toes via dorsal digital expansion

Question 4

edb

Answer 4

superolateral surface of the calaneous, i: base of proximal phalanx of great toe and lateral sides of the tendons of extonsor digitorum longus of 2-4 toes

Question 5

gastrocnemius

Answer 5

o medial head: posterior surface of distal femur superior to medial condyle, o lateral head: upper posterolateral surface of lateral femoral condyle, i: posterior surface of calcaneous via calcaneal tendon

Question 6

soleus

Answer 6

soleal line and medial border of the tibia, proximal posterior aspect of the fibula head adjacent surfaces of neck and proximal shaft, i: posterior surface of calcaneous via calcaneal tendon

Question 7

plantaris

Answer 7

o:inferior part of lateral supracondylar line of femur and oblique popliteal ligament of knee, i: posterior surface of calcaneous via calcaneal tendon

Question 8

popliteus

Answer 8

lateral surface of the lateral femoral condyle and lateral miniscus, i: posterior surface of proximal tibial, superior to soleal line

Question 9

FHL

Answer 9

middle half of the posterior surface of fibula and adjacent interosseous membrane, i: plantar surface of distal phalanx of great toe

Question 10

fdl

Answer 10

middle portion of medial side of posterior surface of the tibia, i: plantar surfaces of bases of distal phalanges of the lateral four toes

Question 11

tibialis posterior

Answer 11

o:posterior surfaces of interosseous membrane and adjacent regions of tibia and fibula, inferior to the soleal line, i primarily to tuberosity of navicular and adjacent region of medial cuneiform, some to the mt bases 2-4 and other tarsel bones

Question 12

peroneous longus

Answer 12

proximal two thirds of the lateral surface of the fibula, head of the fibula i: base of the first metatarsal and medial cuneiform

Question 13

peroneous brevis

Answer 13

distal two thirds of the alteral surface of shaft of fibula, i: tuberosity of the 5th metatarsal

Question 14

peroneous tertius

Answer 14

o:distal part of medial surface of fibula, i: dorsomedial surface of base of 5th metatarsal

Question 15

abd hallicus )1st layer)

Answer 15

o: medial process of calcaneous and plantar aponeurosis, i: proximal phalanx of the first toe and medial sasamoid bone

Question 16

fdb (1st layer)

Answer 16

medial process of calcaneou tuberosity and plantar aponeurosis, i: sides of plantar surface of middle phalanges of 2nd to 5th toe

Question 17

abd digiti minimi (1st layer)

Answer 17

lateral and medial process of calcaneal tuberosity and plantar aponeourosis, i: lateral side of base of proximal phalanx of little toe

Question 18

quadratus plantae (2nd layer)

Answer 18

o: Medial surface of calcaneus and alteral process of calcaneal tuberosity, i: lateral side of tendon of flexor digitorum longus

Question 19

lumbricals (2nd) layer

Answer 19

o:tendons of fdl, i:medial slips into extensory hoods of 2nd to 5th toes,

Question 20

flexor hallicus brevis (3rd layer)

Answer 20

o:plantar surface of the cuboid, and lateral cuneiforms, tendon of the tibialis posterior, i: lateral and medial sides of base of proximal phalnx of the great toe via sesamoids

Question 21

adductor hallicus (3rd layer)

Answer 21

o: transverse head-ligaments assc with metatarsophalangeal joints of lateral three toes, oblique head-bases of 2-4 mt, i: lateral side of base of proximal phalnx of great toe

Question 22

flexor digiti minimi brevis (3rd layer)

Answer 22

base of the 5th metatarsl and related sheath of fibularis longus tendon, i: lateral side of base of proximal phalnx of little toe

Question 23

dorsal interossei (4th layer)

Answer 23

sides of adjacent metatarsals, i: extensor hoods and bses of proximal phalnges of 2-4 toes

Question 24

plantar interossei (4th layer)

Answer 24

medial sides of met of 3-5th toes, i: extensor hoods and bses of proximal phalanges of 3-5 toes on medial side