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Knee and Leg Muscle and Ligament Insertions and Origins
Knee and Leg anatomy
46
Medical
Professional
11/10/2011

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Term
Gluteus Maximus Insertion
Definition

Iliotibial tract

Gluteal tuberosity

Term
Gluteus Maximus Origin
Definition

Lateral part of the dorsal surface of the sacrum

Posterior part of the glutela surface of the ilium

thoracolumbar fascia and sacrotuberous ligament

Term
Tensor Fasciae Latae Origin
Definition
ASIS
Term
Tensor Fasciae Latae Insertion
Definition
Iliotibial Tract
Term
Gracilis Origin
Definition
Inferior Pubic Ramus below symphysis
Term
Gracilis Insertion
Definition
Medial lip of the linea aspera
Term
Adductor Magnus Origin
Definition
Inferior pubic ramus, ischial ramus, and ischial tuberosity
Term
Adductor Magnus Insertion
Definition

medial lip of linea aspera

medial epicondyle of the femur

Term
Adductor Longus Origin
Definition
Superior pubic ramus and anterior side of the symphysis
Term
Adductor Longus Insertion
Definition
Linea aspera: meadial lip in the upper third of the femur
Term
Sartorius Origin
Definition
ASIS
Term
Sartorius Insertion
Definition
Medial to the tibial tuberosity
Term
Quadriceps Origin
Definition

AIIS, acetabular roof of the hip joint

Medial lip of the linea aspera, lateral surface of the greater trochanter

Anterior side of the femoral shaft

Term
Quadriceps Insertion
Definition

Tibial tuberosity via the patellar ligament

Both sides of the tuberosity on the medial and lateral condyles

Suprapaterllar recess of the knee joint capsule

Term
Biceps Femoris Origin
Definition

Ischial tuberosity, sacrotuberous ligament

lateral lip of the linea aspera in the middle third of the femur

Term
Biceps Femoris Insertion
Definition
Head of fibula
Term
Semimembranosus Origin
Definition
Ischial Tuberosity
Term
Semimembranosus Insertion
Definition
medial tibial condyle, oblique popliteal ligament, popliteus fascia
Term
Semitendinosus Origin
Definition
Ischial tuberosity and sacrotuberous ligament 
Term
Semitendinosus Insertion
Definition
Medial to the tibial tuberosity in the pes anserinus
Term
Fibularis Longus Origin
Definition
Head of the fibula, proximal 2/3 of the lateral surface of the fibula
Term
Fibularis Longus Insertion
Definition
Plantar side of themedial cuneiform, base of the first metatarsal
Term
Fibularis Brevis Origin
Definition
Distal half of the lateral surface of the fibula, intermuscular septa
Term
Fibularis Brevis Insertion
Definition
Base of the 5th metatarsal
Term
Fibularis Tertius Origin
Definition
Anterior border of the distal fibula
Term
Fibularis tertius Insertion
Definition
Base of the 5th metatarsal
Term
Tibialis Anterior Origin
Definition
Upper 2/3 of the lateral surface of the tibia, the crural interosseous membrane, and the highest part of the superficial crural fascia
Term
Tibialis Anterior Insertion
Definition
medial and plantar surface of the medial cuneiform, the base of the 1st metatarsal
Term
Extensor Hallicus Longus Origin
Definition
Middle 1/3 of themedial surface of the fibula, the crural interosseous membrane
Term
Extensor Hallicus Longus Insertion
Definition
Dorsal aponeurosis of the big toe and the base of its distal phalanx
Term
Extensor Digitorum Longus Origin
Definition
Lateral tibial condyle, head of the fibula, anterior border of the fibula, and the crural interosseus membrane
Term
Extensor Digitoum Longus Insertion
Definition
dorsal aponeuroses of the 2-5 toes and the bases of the distal phalanges of 2-5
Term
Gastrocnemius Origin
Definition

medial head - medial epicondyle of the femur

lateral head - lateral epicondyle of the femur

Term
Gastrocnemius Insertion
Definition
calcaneal tuberosity via the Achilles tendon
Term
Soleus Origin
Definition
posterior surface of the head and neck of the fibula
Term
Soleus Insertion
Definition
calcaneal tuberosity via the Achilles tendon
Term
Popliteus Origin
Definition
lateral femoral condyle, posterior horn of the lateral meniscus
Term
Popliteus Insertion
Definition
Posterior tibial surface (above soleus)
Term
Plantaris Origin
Definition
Proximal to the lateral head of gastrocnemius
Term
Plantaris Insertion
Definition
calcaneal tuberosity via the Achilles tendon
Term
Tibialis Posterior Origin
Definition
crural interosseous membrane and the adjacent borders of the tibia and fibula
Term
Tibialis Posterior Insertion
Definition

Tuberosity of the navicular

medial, intermediate, and lateral cuneiforms

bases of the 2-4 metatarsals

Term
Flexor Digitorum Longus Origin
Definition
Middle 1/3 of the posterior surface of the tibia
Term
Flexor Digitorum Longus Insertion
Definition
Base of 2-5 distal phalanges
Term
Flexor Hallicus Longus Origin
Definition
Distal 2/3 of the posterior surface of the fibula, adjacent crural interosseous membrane
Term
Flexor Hallicus Longus Insertion
Definition
Base of the distal phalanx of the big toe
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