LE Muscles - Attachments Flashcards
Iliacus
attachments- from iliac fossa, iliac crest & sacrum to the lesser trochanter of the femur
Psoas (L. muscle of the loin)
attachments- from anterior lumbar transverse processes vertebral bodies & discs to the lesser trochanter of the femur
Rectus femoris (L2, 3, 4) (L. straight)
attachments- from anterior inferior iliac spine and groove superior to the acetabulum to the base of the patella
Sartorius (L. sartor, a tailor)
attachments- from anterior superior iliac spine to the medial aspect of the proximal tibia
Tensor fasciae latae
attachments- from anterior superior iliac spine & adjacent iliac crest to iliotibial tract
Vastus intermedius (L2, 3, 4)
attachments- from the anterior aspect of the proximal 2/3rds of the femoral shaft to the base of the patella
Vastus lateralis (L2, 3, 4)
attachments- from lateral/posterior femur to the lateral border of the patella
Vastus medialis (L2, 3, 4)
attachments- from medial/posterior femur to the medial border of the patella
Adductor brevis
attachments- from inferior pubic ramus to proximal posterior femur
Adductor longus
attachments- from pubic crest to midshaft posterior femur
Adductor magnus
attachments- from ischial tuberosity to posterior femur & adductor tubercle
Gracilis (L. scanty)
attachments- from inferior pubic ramus to the proximal, medial tibia
Pectineus
attachments- from superior pubic ramus to proximal posterior femoral shaft
Obturator externus
attachments- from the external aspect of rim of obturator foramen to the trochanteric fossa
Gemellus inferior (L. twin)
attachments- from the ischial tuberosity to the obturator internus tendon
Gemellus superior
attachments- from the ischial spine to the obturator internus tendon
Gluteus maximus
attachments- from the aponeurosis of the erector spinae, sacrum, sacrotuberous ligament & gluteal surface of ilium (posterior gluteal line) to gluteal tuberosity of the femur & the iliotibial tract
Gluteus medius
attachments- from the external iliac surface to the lateral aspect of the greater trochanter
Gluteus minimis
attachments- from the external iliac surface to the anterolateral aspect of the greater trochanter
Obturator internus
attachments- from the anterolateral wall of the pelvis, obturator foramen & obturator membrane to the medial surface of the greater trochanter
Piriformis
attachments- from the anterolateral sacrum & posterior inferior iliac spine to the upper border of the greater trochanter
Quadratus femoris
attachments- from the ischial tuberosity to the quadrate tubercle of the femur
Biceps femoris
attachments- from the ischial tuberosity (long head) & distal posterior/lateral femur (short head) to the fibular head
Semimembranosus
attachments- from ischial tuberosity to posterior aspect of the medial tibial condyle
Semitendinosus
attachments- from the ischial tuberosity to the proximal, medial tibia
Extensor digitorum longus
attachments- from the lateral tibial condyle, proximal fibula and interosseous membrane to the dorsal digital expansions of toes 2-5
Extensor hallucis longus (L. hallex, great toe)
attachments- from the mid-fibula & interosseous membrane to the distal phalangeal base of the 1st toe
Peroneus tertius
attachments- from the distal fibula and interosseous membrane to the base of the 5th metatarsal
Tibialis anterior
attachments- from the lateral condyle and proximal lateral tibia & interosseous membrane to the medial cuneiform & adjacent 1st metatarsal
Peroneus longus
attachments- from the head & proximal fibula to the lateral aspects of the 1st metatarsal & adjacent medial cuneiform
Peroneus brevis
attachments- from the distal fibula to the lateral base of the 5th metatarsal
Flexor digitorum longus
attachments- from the posterior tibia distal to the soleal line to the plantar surfaces of the distal phalangeal bases
Flexor hallucis longus
attachments- from the distal posterior fibular surface & interosseous membrane to the plantar aspect of the distal phalangeal base of the 1st toe
Gastrocnemius (S1,2) (G. gaster, belly + kneme, leg)
attachments- from the posterior aspect of the femoral condyles (lateral epicondyle & popliteal surface) to the calcaneal tuberosity
Plantaris (L. planta, sole)
attachments- from the lateral supracondylar line (popliteal surface) to the calcaneal tuberosity
Popliteus
attachments- from the lateral femoral condyle to the soleal line of the tibia
Soleus (S1,2)
attachments- from the posterior proximal fibula & tibial soleal line to the calcaneal tuberosity
Tibialis posterior
attachments- from the interosseous membrane, lateral tibia & medial fibula to the medial tarsals & metatarsals
Abductor digiti minimi
attachments- from calcaneal tuberosity to lateral side of proximal phalangeal base of 5th digit
Abductor halluces
attachments- from medial calcaneal tuberosity to medial side of proximal phalangeal base of great toe
Adductor halluces
attachments- from 2-4th metatarsal bases (oblique head) & distal ends of 3-5 metatarsal (transverse head) to lateral base of proximal phalanx of great toe
Extensor digitorum brevis
attachments- from anterolateral calcaneus to the lateral sides of tendons of extensor digitorum longus (2-4, or 2- 5)
Extensor hallucis brevis
attachments- from anterolateral calcaneus to dorsal aspect of base of proximal phalanx of the hallux
Flexor digitorum accessories
attachments- from medial surface of calcaneus & lateral process of calcaneal tuberosity to long flexor tendons
Flexor digitorum brevis
attachments- from medial process of calcaneal tuberosity to sides of intermediate phalanges of digits 2-5
Flexor digiti minimi
attachments- from 5th metatarsal base to proximal phalangeal base
Flexor hallucis brevis
attachments- from cuboid & tendon of tibialis posterior to base of proximal phalanx of great toe
Interossei-dorsal
attachments- from metatarsal shafts to proximal phalangeal bases & dorsal digital expansions of digits 2-4
Interossei-plantar
attachments- from plantar surface of shaft of metatarsals to dorsal digital expansions of digits 3-5
Lumbricals
attachments- from tendons of flexor digitorum longus to medial sides of dorsal expansions of digits 2-5