The adductor hiatus is a gap in the tendon of adductor magnus, between its adductor (aponeurotic) and hamstring parts, just above the medial femoral condyle. The femoral artery and vein pass through it from the adductor canal into the popliteal fossa, where they become the popliteal vessels.
| Location | Lower medial thigh, about 8-10 cm above the knee. |
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Lets the femoral vessels pass from the front of the thigh to the back of the knee.
The hiatus marks the end of the adductor canal and the point where the femoral artery becomes the popliteal artery. The artery is relatively fixed here and can be compressed or damaged in distal femoral fractures and knee dislocations. It is also a common site of atherosclerotic narrowing.
Atherosclerotic blockage of the femoral artery near the adductor hiatus, causing calf claudication on walking.
The tethered artery at the hiatus can be stretched or torn by fracture fragments, threatening the blood supply to the leg.
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