Muscles of the Lower Extremity
About this set
Created by:
MatthewDutson on February 1, 2012
Subjects:
Description:
Origin, insertion, and action
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19 terms
Terms | Definitions |
|---|---|
 Psoas Major | O: Lumbar vertebrae I: Femur A: Flexes the thigh |
| Illiacus | O: Illiac crest I: Femur A: Flexes the thigh |
| Gluteus Maximus | O: Sacrum, coxyx, and illium I: Femur, fascia A: Extends thigh |
| Gluteus Medius | O: Illium I: Femur A: Abducts thigh, rotates thigh medially |
| Adductor Longus | O: Pubic bone I: Femur A: Adducts the thigh |
| Adductor Magnus | O: Ischium I: Femur A: Adducts the thigh, rotates thigh laterally |
| Gracilis | O: Pubic bone I: Tibia A: Adduucts thigh, rotates lower leg medially |
| Sartorius | O: Illium I: Tibia A: Flexes leg, abducts thigh, rotates thigh laterally |
| Biceps Femoris | O: Ischium, femur I: Fibula, tibia A: Flexes leg, extends thigh |
| Semitendinosus | O: Ischium I: Tibia A: Flexes leg, extends thigh |
| Semimembranosus | O: Ischium I: Tibia A: Flexes leg, extends thigh |
| Rectus Femoris | O: Illium I: Patella leading to the tibia A: Extends leg at knee |
| Vastus Lateralis | O: Femur (posterior) I: Patella leading to the tibia A: Extends leg at knee |
| Vastus Medialis | O: Femur (medial) I: Patella leading to the tibia A: Extends leg at knee |
| Vastus Intermedius | O: Femur (anterior) I: Patella leading to the tibia A: Extends leg at knee |
| Tibialis Anterior | O: Tibia I: Tarsal bones (cuneiform) A: Dorsiflexion and inversion of the foot |
| Gastrocnemius | O: Femur I: Calcaneus A: Plantar flexion of the foot, flexes knee |
| Soleus | O: Fibula and tibia I: Calcaneus A: Plantar flextion of the foot |
| Fibularis/Peronous Longus | O: Tibia and fibula I: Tarsals and metatarsals A: Plantar flexion |
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