has muscle insertion has muscle insertion has muscle antagonist Homo sapiens semitendinosus https://upload.wikimedia.org/wikipedia/commons/3/3f/Semitendinosus_muscle.PNG Wikipedia:Semitendinosus_muscle EMAPA:35762 SCTID:181685004 The semitendinosus is a muscle in the back of the thigh; it is one of the hamstrings. [WP,unvetted]. musculus semitendinosus NCIT:C53176 MA:0002375 UBERON:0001375 galen:Semitendinosus semitendinosus muscle BTO:0001236 UMLS:C0224453 A&P heads in rat, single head in humans[DOI:10.1002/ar.22919] FMA:22357 quadriceps femoris muscle of posterior compartment of hindlimb stylopod pes anserinus of tibia