Muscle O and I, lower extremity 2 Flashcards
Tibialis Anterior
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
EHL
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
edl
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
edb
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
gastrocnemius
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
soleus
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
plantaris
o:inferior part of lateral supracondylar line of femur and oblique popliteal ligament of knee, i: posterior surface of calcaneous via calcaneal tendon
popliteus
lateral surface of the lateral femoral condyle and lateral miniscus, i: posterior surface of proximal tibial, superior to soleal line
FHL
middle half of the posterior surface of fibula and adjacent interosseous membrane, i: plantar surface of distal phalanx of great toe
fdl
middle portion of medial side of posterior surface of the tibia, i: plantar surfaces of bases of distal phalanges of the lateral four toes
tibialis posterior
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
peroneous longus
proximal two thirds of the lateral surface of the fibula, head of the fibula i: base of the first metatarsal and medial cuneiform
peroneous brevis
distal two thirds of the alteral surface of shaft of fibula, i: tuberosity of the 5th metatarsal
peroneous tertius
o:distal part of medial surface of fibula, i: dorsomedial surface of base of 5th metatarsal
abd hallicus )1st layer)
o: medial process of calcaneous and plantar aponeurosis, i: proximal phalanx of the first toe and medial sasamoid bone
fdb (1st layer)
medial process of calcaneou tuberosity and plantar aponeurosis, i: sides of plantar surface of middle phalanges of 2nd to 5th toe
abd digiti minimi (1st layer)
lateral and medial process of calcaneal tuberosity and plantar aponeourosis, i: lateral side of base of proximal phalanx of little toe
quadratus plantae (2nd layer)
o: Medial surface of calcaneus and alteral process of calcaneal tuberosity, i: lateral side of tendon of flexor digitorum longus
lumbricals (2nd) layer
o:tendons of fdl, i:medial slips into extensory hoods of 2nd to 5th toes,
flexor hallicus brevis (3rd layer)
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
adductor hallicus (3rd layer)
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
flexor digiti minimi brevis (3rd layer)
base of the 5th metatarsl and related sheath of fibularis longus tendon, i: lateral side of base of proximal phalnx of little toe
dorsal interossei (4th layer)
sides of adjacent metatarsals, i: extensor hoods and bses of proximal phalnges of 2-4 toes
plantar interossei (4th layer)
medial sides of met of 3-5th toes, i: extensor hoods and bses of proximal phalanges of 3-5 toes on medial side
