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Gross II Final
Lower Extremity Origins and Insertions
Question | Answer |
---|---|
Gluteus Maximus Origin and Insertion | O: Outer surface of the ilium and iliac crest, dorsal surface of the sacrum, lateral aspect of the coccyx and sacrotuberous ligamentI: Iliotibial tract and gluteal tuberosity of femur |
Gluteus Medius Origin and Insertion | O: between anterior and posterior linesI: Lateral aspect of the greater trochanter of the femur |
Gluteus Medius Origin and Insertion | O: Between anterior and inferior gluteal linesI: anterior aspect of the greater trochanter an joint capsule of the hip |
Tensor Fascia Lata Origin and Insertion | O: Anterior superior iliac spine and anterior iliac crestI: Iliotibial tract |
Piriformis Origin and Insertion | O: Ventrolateral aspect of the sacrumI: Greater trochanter |
Superior Gemellus Origin and Insertion | O: Outer surface of the iliac spineI: Medial surface of the greater trochanter |
Inferior Gemellus Origin and Insertion | O: Ischial TuberosityI: Medial surface of the greater trochanter |
Obturator Internus Origin and Insertion | O: Inner surface of the obturator membrane and obturator foramenI: Medial surface of the greater trochanter |
Quadratus Femoris Origin and Insertion | O: Lateral border of the ischial tuberosityI: Quadrate tubercle and intertrochanteric crest |
Biceps Femoris Origin and Insertion | O: Long Head- Ischial TuberosityShort Head- Lateral lip of the linea asperaI: Lateral Surface, head of the fibula and lateral condyle of the tibia |
Semitendinosus Origin and Insertion | O: Ischial TuberosityI: Medial surface of the proximal tibia |
Semimembranosus Origin and Insertion | O: Ischial tuberosityI: Posterior aspect of the medial condyle of the tibia |
Iliopsoas Origin and Insertion | O: From psoas major and iliacusI: Lesser trochanter of the femur |
Sartorius Origin and Insertion | O: anterior superior iliac spineI: Superior part of the medial surface of the proximal tibia |
Rectus Femoris Origin | O: Straight head- anterior inferior iliac spineReflected head- rim of the acetabulum |
Vastus Lateralis Origin | O: Greater trochanter and lateral lip of the linea aspera |
Vastus Intermedius Origin | O: Anterior and Lateral Surfaces of the shaft of the femur |
Vastus Medialis Origin | O: Medial lip of the linea aspera and intertrochanteric line of the femur |
Quadriceps Insertion | I: 4 muscles converge to form quadriceps tendon which encases the patella then continues distally to the tibial tuberosity |
Pectineus Origin and Insertion | O: Pectineal line of the pubic boneI: Pectineal line of the femur |
Adductor Longus Origin and Insertion | O: Junction of the pubic crest and the pubic symphysisI: Middle 1/3rd of the linea aspera of the femur |
Adductor Brevis Origin and Insertion | O: Inferior ramus of the pubisI: Pectineal line of the femur, proximal linea aspera |
Gracilis Origin and Insertion | O: Body and Inferior ramus of the pubisI: Superomedial aspect of the tibia |
Adductor Magnus Origin and Insertion | O: Adductor Part- Ischiopubic ramusHamstring part- ischial tuberosityI: Adductor part- adductor tubercleHamstring part- gluteal tuberosity, medial supracondylar line, medial lip of the proximal 2/3 of the linea aspera |
Obturator Externus Origin and Insertion | O: External surface of the obturator membrane and foramenI: Trochanteric Fossa |
Tibialis Anterior Origin and Insertion | O: Lateral condyle and lateral surface of the proximal 1/4 of the tibia, interosseus membrane and crural fasciaI: Medial and plantar surfaces of the 1st metatarsal and medial cuneiform bone |
Extensor Hallucis Longus Origin and Insertion | O: Medial surface of the fibula and interosseus membrane and the crural fasciaI: Dorsal surface of the base of the distal phalanx of the great toe |
Extensor Digitorum Longus Origin and Insertion | O: Lateral condyle of the tibia, fibula, and interosseus membraneI: Distal phalanges of the lateral 4 digits |
Fibularis Tertius Origin and Insertion | O: Distal 1/3 of the anterior surface of the fibula and interosseus membraneI: Dorsal surface of the base of the 5th metatarsal |
Fibularis Longus Origin and Insertion | O: Head and proximal 3/4 of the lateral surface of the fibulaI: Lateral aspect of the base of the first metatarsal and medial cuneiform |
Fibularis Brevis Origin and Insertion | O: Distal 1/3 of the lateral surface of the fibula and intermuscular septumI: Lateral surface of the base of the 5th metatarsal bone |
Gastrocnemius Origin and Insertion | O: Medial Head- Medial condyle of the femurLateral Head- Lateral condyle of the femurI: Calcaneal tuberosity via the tendo calcaneus |
Soleus Origin and Insertion | O: Posterior surface of the proximal 1/3 of the fibula and the soleal line and medial border of the tibiaI: Calcaneal tuberosity via the tendo calcaneus |
Plantaris Origin and Insertion | O: Lateral Epicondyle of the femurI: Calcaneal tuberosity along the medial edge of the tendo calcaneus |
Popliteus Origin and Insertion | O: Lateral Epicondyle of the femurI: posterior surface of the tibia, above the soleal line |
Tibialis Posterior Origin and Insertion | O: Posterior surface of the interosseus membrane and medial aspect of the tibiaI: Tuberosity of the navicular, calcaneous, 3 cuneiforms, cuboid and the 2nd-4th metatarsals |
Flexor Hallucis Longus Origin and Insertion | O: lower half of the posterior surface of the fibula and interosseus membraneI: Base of the distal phalanx of the great toe |
Flexor Digitorum Longus Origin and Insertion | O: Medially arises from the posterios surface of the tibiaI: Distal phalanges of the lateral 4 toes |
Extensor Digitorum Brevis Origin and Insertion | O: Calcaneous I: Lateral sides of the tendons of extensor digitorum for the 2nd-4th toes |
Extensor Hallucis Brevis Origin and Insertion | O: Calcaneous I: Lateral side of the base of the proximal phalanx of the big toe |
Abductor Hallucis Origin and Insertion | O: Flexor retinaculum, medial process of the calcaneal tuberosity, plantar aponeurosis I: Medial sides of the base of the proximal phalanx of the great toe |
Abductor Digiti Minimi Origin and Insertion | O: Medial and Lateral processes of the calcaneal tuberosity and the plantar aponeurosis I: The lateral side of the base of the proximal phalanx of the little toe |
Flexor Digitorum Brevis Origin and Insertion | O: Medial process of the calcaneal tuberosity and the plantar aponeurosis I: Via 4 tendons on the middle phalanx of the lateral 4 toes |
Quadratus Plantae Origin and Insertion | O: Plantar surface of the calcaneous and the long plantar ligament I: Tendon of flexor digitorum longus |
Lumbricals Origin and Insertion | O: Tendons of Flexor digitorum longus I: Dorsal digital expansions |
Flexor Hallucis Brevis Origin and Insertion | O: Plantar surface of the cuboid, the lateral cuneiform, and the tendon of tibialis posteriorI: Two tendons on the sides of the base of the proximal phalanx of the hallux |
Flexor Digiti Minimi Brevis Origin and Insertion | O: Base of the 5th metatarsal and the tendon of tibialis posterior I: Lateral side of the base of the proximal phalanx of the little toe |
Adductor Hallucis Origin | O: Transverse Head- the plantar metatarsophalangeal ligaments of the 3rd-5th toes; deep transverse metatarsal ligament Oblique Head- Bases of the 2nd-4th metatarsals and the surrounding sheath of the tendon of fibularis longus |
Adductor Hallucis Insertion | I: A common tendon inserts into the base of the proximal phalanx of the hallux |
Plantar Interossei Origin and Insertion | O: Bases and medial surfaces of the 2nd-5th metatarsalsI: Bases of the proximal phalanges of digits 3-5 and dorsal digital expansion |
Dorsal Interossei Origin and Insertion | O: Each by 2 heads from the adjacent sides of the metatarsals I: Dorsal Digital expansions of the 2nd-4th toes |