Anterior compartment of thigh Anterior compartment of thigh The anterior compartment of thigh contains muscles which extend the knee and flex the hip. The anterior compartment is one of the fascial compartments of the thigh that contains groups of muscles together with their nerves and blood supply. The anterior compartment contains the sartorius muscle (the longest muscle in the body) and the quadriceps femoris group, which consists of the rectus femoris muscle and the three vasti muscles – the vastus lateralis, vastus intermedius, and the vastus medialis. The iliopsoas is sometimes considered a member of the anterior compartment muscles, as is the articularis genus
Ultrasonography of chronic venous insufficiency of the legs 1/3 of the thigh. It can also but rarely, drain in the vein of the semimembranosus (thigh muscle) (shown below). Usually though, it connects with a perforator vein at its middle 1/3. To check for insufficiency, the Paraná maneuver is very useful. The Giacomini vein mostly acts as a bypass between the GSV and SSV territories. Usually its flow is in the normal anterograde direction, from bottom to top. However it can become retrograde without pathology. For example, after a GSV stripping, laser ablation or after its ligation at the sapheno-femoral junction, the Giacomini vein will drain into the SSV,