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28 Cards in this Set
- Front
- Back
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fxn: of deep group of gluteal muscles (smaller set of muscles) |
rotate femur laterally at hip |
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fxn of superficial group of gluteal muscles |
abduct and extend the hip |
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-actions are more thigh/knee related -stabilizes extended knee -inserts on tibia |
tensor fascia latae |
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divides great sciatic foramen into an upper and a lower region |
piriformis m |
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forms part of walls of pelvic cavity |
obturator internus m |
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muscles of deep group of gluteal muscles |
piriformis m obturator internus m superior gemellus m inferior gemellus m quadratus femoris m |
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muscles of the superficial group of gluteal muscles |
gluteus maximus gluteus medius gluteus maximus |
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innervates gluteus minimus and medius |
superior gluteal n |
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innerv gluteus maximus |
inferior gluteal n |
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-its belly partially overlays gluteus minimus & medius innerv by superior gluteal n |
tensor fasciae latae |
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fxn: stabilizes knee in extension (IN HIP)- holds femoral head in acetabulum |
tensor fasciae latae |
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nerves of the gluteal region (7) |
-superior gluteal n -inferior gluteal n -sciatic n -n to quadratus femoris -n to obturator internus -posterior cutaneous nerve of the thigh - travels medial to sciatic n -pudendal n - travels to perineum (no gluteal branches) |
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the nerves of the gluteal region travel through the ______ foramen |
greater sciatic foramen |
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origin: posterior branch of internal iliac a -courses with superior gluteal n -medial and lateral femoral circumflex a |
superior gluteal a |
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origin: anterior branch of internal iliac a -courses with inferior gluteal n -femoral perforating branches |
inferior gluteal a |
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veins of gluteal region drain into _____ v |
femoral v |
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muscles of posterior compartment of thigh |
biceps femoris muscles semitendinosus m semimembranosus m |
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fxn of posterior compartment muscles |
knee flexion, hip extension, rotate both knee and hip |
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-long head origin: ischial tuberosity (can have hip action) -short head origin: femur (can not have hip action) |
biceps femoris (separate origins allow muscle to flex knee and extend hip |
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innerv of biceps femoris |
sciatic n |
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origin: ischial tuberosity cord-like tendon at insertion crosses hip and knee (has actions on hip and knee) |
semitendinosus
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innervates semitendinosus |
sciatic n |
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origin: ischial tuberosity blends into fascia/ligaments around knee |
semimembranosus |
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innervates semimembranosus |
sciatic n |
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blood supply of posterior compartment of posterior thigh |
perforating arteries (branches of deep femoral a) usually 3 of them |
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innervates posterior compartment |
sciatic n |
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-branch of the lumbosacral plexus (L4-S3) -fibers to all posterior compartment muscles -divides into a tibial and a common fibular (peroneal) nerve. These enter the popliteal fossa |
sciatic n |
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sciatic n branches into: |
tibial n common fibular (peroneal) n |
