LE Origin and Insertion Flashcards
Tensor fascia latae
Origin:
Upper lip of iliac crest to anterior superior iliac spine
Insertion: fascia lata
Iliotibial tract
Gluteus Maximus
Origin: posterior superior ilium
Dorsal sacrum and coccyx
Sacrotuberus ligament
Insertion: gluteal tuberosity of femur
Iliotibial tract
Gluteus medius
Origin: mid portion of outer iliac blade
Insertion: lateral portion of greater trochanter
Gluteus minimus
Origin: lower portion of outer iliac blade
Insertion: anterior surface of greater trochanter
Piriformis
Origin: ventral surface of S2,3,4
Insertion: superior surface of greater trochanter
Obturator internus
Origin: internal margin of obturator foramen and obturator membrane
Insertion: superior medial aspect of greater trochanter
Superior gemellus
Origin: ischial spine
Insertion: medial side of greater trochanter via tendon of obturator internus
Inferior gemellus
Origin: upper part of ischial tuberosity
Insertion: medial side of greater trochanter via tendon of obturator internus
Obturator externus
Origin: external margin do obturator foramen and obturator membrane
Insertion: trochanteric fossa of femur
Quadratus femoris
Origin: upper part of lateral border of ischial tuberosity
Insertion: upper part of intertrochanteric crest
Iliopsoas
Origin: iliac fossa, lateral aspect of bodies and transverse processes of T12-L4
Insertion: lesser trochanter of femur
Iliacus
Origin: iliac fossa
Insertion: lesser trochanter of femur
Psoas major
Origin: lateral aspect of bodies and transverse processes of T12-L4
Insertion: lesser trochanter of femur
Pectinus
Origin: pectineal line of pubis
Insertion: pectineal line of femur
Sartorius
Origin: anterior superior iliac spine
Insertion: proximal-medial tibia (pes anserinus)
Rectus femoris straight head
Origin: anterior inferior iliac spine
Insertion: tibial tuberosity via patellar ligament
Rectus femoris reflected head
Origin: superior margin of acetabulum
Insertion: tibial tuberosity via patellar ligament
Vastus medialis
Origin: medial aspect of femoral shaft
Insertion: tibial tuberosity via patellar ligament
Vastus intermedius
Origin: anterior and lateral 2/3 of proximal femur shaft
Insertion: tibial tuberosity via patellar ligament
Vastus lateralis
Origin: lateral aspect of femoral shaft
Insertion: tibial tuberosity via patellar tendon
Articularis genu
Origin: anterior aspect of distal femur
Insertion: synovial membrane of supra patellar bursa
Gracilis
Origin: pectineal line of pubis
Insertion: proximal medial tibia (pes anserinus)
Adductor longus
Origin: anterior pubis, below pubic crest
Insertion: middle third of linea aspera of femur
Adductor brevis
Origin: body and inferior ramps of pubis
Insertion: proximal third of linea aspera of femur
Adductor Magnus medial head
Origin: inferior pubic and ischial ramus
Insertion: medial linea aspera, medial supracondylar line, adductor tubercle of femur
Adductor Magnus lateral head
Origin: superior medial ischial tuberosity
Insertion: medial linea aspera, medial supracondylar line, adductor tubercle of femur
Biceps femoris long head
Origin: superior medial aspect of ischial tuberosity
Insertion: head of fibula
Biceps femoris short head
Origin: distal half of femoral shaft, lateral lip of linea aspera
Insertion: head of fibula
Semimembranosus
Origin: superior lateral aspect of ischial tuberosity
Insertion: posterior medial aspect of proximal tibia
Semitendinosus
Origin: middle of ischial tuberosity
Insertion: medial aspect of proximal tibia (pes anserinus)
Plantaris
Origin: supracondylar line above lateral femoral condyle
Insertion: calcaneal tuberosity
Gastrocnemius medial head
Origin: popliteal of femur, upper part of medial femoral condyle, capsule of knee joint
Insertion: calcaneal tuberosity
Gastrocnemius lateral head
Origin: upper part of lateral femoral condyle, lower part of supracondylar line, capsule of knee joint
Insertion: calcaneal tuberosity
Soleus
Origin: proximal ends of tibia (soleal line) and fibula
Insertion: calcaneal tuberosity
Popliteus
Origin: popliteal groove on lateral femoral condyle, lateral meniscus
Insertion: proximal posterior surface of tibia
Tibialis posterior
Origin: tibia, fibula, and interosseous membrane
Insertion: navicular tuberosity with slips to three cuneiforms, cuboid, and metatarsals 2,3,4
Flexor digitorum longus
Origin: posterior surface of midshaft tibia
Insertion: base of distal phalanx of toes 2-5
Flexor hallucis longus
Origin: distal 2/3 of posterior fibulas shaft, interosseous membrane
Insertion: plantar aspect of first toe’s distal phalanx
Tibialis anterior
Origin: lateral aspect of dorsal tibia, interosseous membrane
Insertion: dorsal aspect of navicular tuberosity, medial cuneiform, base of 1st metatarsa
Extensor digitorum longus
Origin: lateral tibial condyle, proximal fibula, interosseous membrane
Insertion: extensor sheath of digits 2-5
Fibularis tertius
Origin: medial side of fibula
Insertion: dorsal surface of 5th metatarsal tuberosity
Extensor hallucis longus
Origin: middle of fibular shaft, interosseous membrane
Insertion: dorsal surface of digit 1 distal phalanx
Fibularis longus
Origin: lateral side of fibular shaft
Insertion: plantar surface of medial cuneiform, base of 1st metatarsal
Fibularis brevis
Origin: Lateral distal 2/3 of fibular shaft
Insertion: dorsal side of 5th metatarsal tuberosity
Extensor digitorum brevis
Origin: dorsal surface of calcaneus
Insertion: dorsal aponeurosis, proximal phalanx of digits 2-4
Extensor hallucis brevis
Origin: dorsal surface of calcaneus
Insertion: dorsal surface of digit 1 proximal phalanx
abductor hallucis
Origin: calcaneal tuberosity
Insertion: medial aspect of digit 1 proximal phalanx, head of first metatarsal
Flexor digitorum brevis
Origin: calcaneal tuberosity, long plantar ligament
Insertion: base of middle phalanges of digits 2-5
Abductor digiti quinti
Origin: calcaneal tuberosity
Insertion: lateral aspect of digit 5 proximal phalanx
Flexor digitorum accessorius
Origin: calcaneal tuberosity
Insertion: tendon of flexor digitorum longus
Lumbercals
Origin: tendon of flexor digitorum longus
Insertion: digital extensor hood on medial side of proximal phalanges 2-5
Flexor hallucis brevis
Origin: plantar surface of cuboid and 3rd cuneiform
Insertion: medial and lateral base of digit 1 proximal phalanx
Adductor hallucis oblique head
Origin: bases of middle 3 metatarsals
Insertion: inside base of digit 1 proximal phalanx
Adductor hallucis transverse head
Origin: heads of middle 3 metatarsals
Insertion: inside base of digit 1 proximal phalanx
Flexor digiti quinti
Origin: Base of 5th metatarsal
Insertion: lateral aspect of digit 5 proximal
Plantar interossei
Origin: base and medial sides of metatarsals 3-5
Insertion: medial sides of digits 2,3,4 proximal phalanges
Interossei dorsalis pedis
Origin: adjacent sides of metatarsals 2-5
Insertion:both sides of digit 2 proximal phalanx, lateral sides of digits 3&4 proximal phalanges