Muscles of Hip and Knee Movement
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24 terms
Terms | Definitions |
|---|---|
 iliopsoas | consists of psoas major, and iliacus |
| psoas major | actions: hip lateral rotation,flexion, flexion of vertebral column |
| iliacus | actions: hip flexion and lateral rotation |
| deep lateral rotators | There are 6 of these and all insert on the greater trochanter |
| piriformis | largest of all lateral rotators and most likely to become shortened. 15% of population has all or part of the sciatic nerve running through this muscle. |
| obturatur internus | passes through and almost fills the lesser sciatic notch |
| glutes | gluteus maximus, gluteus minimus, and gluteus medius |
| iliotibial tract | thickened strap of a fascial tube that surrounds the thigh. It stretches from the iliac crest to the tibia |
| gluteus maximus | strongest hip extensor and one of the strongest muscles in the body |
| gluteus medius | stabilizes the hip to allow us to stand on one leg |
| gluteus minimus | synergist to the gluteus medius |
| tensor fascia lata | helps tense fascia lata |
| quadriceps femoris | group of 4 muscles that share a common attachment site on the tibia |
| quadriceps femoris | rectus femoris,vastus intermedius,vastus medialis, vastus lateralis |
| rectus femoris | only muscle in the quadriceps femoris that crosses 2 joints - hip and knee |
| Sartorius | known as the tailors muscle - longest muscle in body |
| hamstrings | biceps femoris,semimembraneous, semitendinosus |
| semimembranosus | most medial hamstring muscle |
| semitendinosus | on top of semimembraneous |
| biceps femoris | lateral hamstring |
| adductors | form inner thigh: gracilis,adductor magnus,adductor longus, adductor brevis and pectineus |
| gracilis | femoral shaft and this form letter "v": most medial adductor |
| adductor magnus | lies deep to hamstrings and is divided into 2 sections: one on linea aspera and one on the adductor tubercle |
| adductor hiatus | opening on for the femoral artery |
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