Muscles of the Anterior Thigh
|
Muscle |
Innervation |
Origin |
Insertion |
Action |
Nerve Root |
| 1 |
Vastus lateralis |
femoral |
iliotibial line/greater trochanter/lateral linea aspera |
lateral patella |
|
|
| 2 |
Vastus medialis |
femoral |
iliotibial line/medial linea aspera/supracondylar line |
medial patella |
|
|
| 3 |
Vastus intermedius |
femoral |
Proximal anterior femoral shaft |
patella |
|
|
Muscles of the Posterior Thigh
| 1 |
Biceps(long head) |
tibial |
medial ischial tuberosity |
fibular head.lateral tibia |
|
|
| 2 |
Biceps(short head) |
peroneal |
lat linea aspera/lat intermuscular septum |
lateral tibial condyle |
|
|
| 3 |
Semitendinosus |
tibial |
Distal med. Ischial tuberosity |
anterior tibial crest |
|
|
| 4 |
Semimembranosus |
tibial |
proximal lat ischial tuberosity |
oblique popliteal ligament/posterior capsule/posterior, medial tibia/popliteus |
|
|
