Term
| the hip joint is deepened by what? |
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Definition
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Term
| what prevents hyperextension of the hip joint? aka? |
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Definition
iliofemoral ligament
aka Y ligament of Bigelow |
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Term
| what is the circular hip socket composed of? |
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Definition
| lunate surface surrounded by acetabular labrum; and transverse acetabular ligament |
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Term
| what is the major artery supplying the head of the femur? |
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Definition
| medial circumflex artery (from deep femoral artery) |
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Term
| what are hip fractures? why do they often need hip replacement? |
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Definition
femur head fractures.
b/c fracture damages retinacular arteries and limit blood supply for bone fusion |
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Term
| what goes out the GSF and in the LSF? |
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Definition
| pudendal nerve and internal pudendal artery |
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Term
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Definition
extend and laterally rotate hip/thigh.
innnervated by inferior gluteal nerve (L5, S1, S2) |
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Term
| what contributes to the IT band? |
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Definition
| gluteus maximus and tensor fascia lata |
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Term
what abducts the hip (4)?
what innervates them? |
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Definition
gluteus medius, gluteus minimus, TFL and IT band.
innervated by superior gluteal nerve |
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Term
| what causes gluteal gait? |
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Definition
| damage to gluteus medius/minimus or damage to the superior gluteal nerve |
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Term
| what is a positive Trendelenburg test? |
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Definition
| pelvis sags on contralateral side when patient stands on one leg |
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Term
| what are the 5 lateral rotators of the hip? |
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Definition
| obturator internus, superior/inferior gemelli, quadratus femoris, piriformis |
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Term
what are the 3 hamstring muscles?
supplied by what? |
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Definition
semitendinosus, semimembranosus, biceps femoris (2 heads).
supplied by perforating branches from the deep or profunda femoral artery |
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Term
| actions and innervation of the hamstrings? |
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Definition
knee flexion and hip extension
innervated by sciatic nerve (L5, S1-2) |
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Term
| what passes above and below the piriformis as it exits the GSF? |
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Definition
| the superior and inferior gluteal nerve/vessels |
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Term
| what does the sciatic nerve split into? |
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Definition
| tibial nerve and common fibular nerve |
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