human_reference_atlas Homo sapiens muscle of leg popliteus muscle http://upload.wikimedia.org/wikipedia/commons/c/c1/Gray439.png AS popliteus muscle UBERON:0001391 musculus popliteus EMAPA:36240 MA:0002554 UMLS:C0224457 popliteal popliteal muscle popliteus FMA:22590 The popliteus muscle in the leg is used to unlock the knee by laterally rotating the femur on the tibia during a closed chain movement (such as one with the foot in contact with the ground). [WP,unvetted]. uberon m.popliteus Wikipedia:Popliteus_muscle SCTID:245032004 popliteus muscle poplitea NCIT:C33340 Muscle of posterior compartment of leg