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Viette Lab 5
Muscles of the Legs and Feet
| Muscle | Action | Origin | Insertion |
|---|---|---|---|
| Sartorius | flexes legs and thigh, ABducts thight, rotates thight LATerally, and rotates leg MEDially | ilium | medial surface of tibial tuberosity |
| Adductor Longus | ADDuction, FLEXion, and MEDial rotation at hip | inferior ramus of pubis | linea aspera of femur |
| Adductor Magnus | ADDuction at hip, FLEXion & MEDial rotation, EXtension & LATeral rotation | inferior ramus of pubis; ischial tuberosity | linea aspera of femur and adductor tubercle (Femur) |
| Tenso Fasciae Latae | ABducts thigh | ilium and iliac crest | Tibia, by iliotibial tract |
| Quadriceps Femoris | Rectus Femoris, Vastus Lateralis, Vastus Medialis, Vastus Intermedius, Biceps Femoris | ||
| Rectus Femoris | EXtends leg at knee, FLEXes thight at hip | ilium | patellar tendon to tibial tuberosity of tibia |
| Vastus Lateralis | EXtends leg at knee | greater trochanter, linea aspera of femur | patellar tendon to tibial tuberosity of tibia |
| Vastus Medialis | EXtends leg at knee | linea aspera of femur | patellar tendon to tibial tuberosity of tibia |
| Vastus Intermedius | EXtends leg at knee | anterior and lateral surfaces of femur | patellar tendon to tibial tuberosity of tibia |
| Biceps Femoris | FLEXes leg at knee and EXtends thigh | ischial tuberosity of ischium and linea aspera of femur | fibula and tibia |
| Semitendinosus | FLEXes leg at knee and extends thigh | ischial tuberosity | tibia |
| Semimembranosus | FLEXion at knee, EXtension and MEDial rotation at hip | ischial tuberosity | posterior, medial condyle of tibia, lateral condyle of the femur |
| Gastrocnemius | plantar FLEXes foot (extends foot); FLEXes knee | femur | calcaneus |
| Soleus | plantar FLEXes foot (extends foot) | fibula and tibia | calcaneus |
| Tibialis Anterior | dorsiflexion and inversion of foot | tibia | tarsal and first metatarsal bones |
| Extensor Digitorum Longus | EXtends toes; dorsiflexes foot | tibia and fibula | Phalanges (2-5) |
| Fibularis Longus (Peroneus Longus) | plantar FLEXes and EVERTS foot | fibula | first metatarsal, medial cuneiform |
| Gluteus Maximus | Extends and LATerally rotates and ABducts thigh | ilium, posterior surface of sacrum, and coccyx | gluteal tuberosity of femur |
| Gracilis | ADDucts thigh; flexes and rotates leg inward at the knee | symphysis pubis | tibia |