s ▁in ▁M emph is , ▁Tennessee <0x0A> </s> ▁The ▁sem it end inos us ▁() ▁is ▁a ▁long ▁super f icial ▁mus cle ▁in ▁the ▁back ▁of ▁the ▁th igh . ▁It ▁is ▁so ▁named ▁because ▁it ▁has ▁a ▁very ▁long ▁tend on ▁of ▁insert ion . ▁It ▁lies ▁poster omed ial ly ▁in ▁the ▁th igh , ▁super f icial ▁to ▁the ▁sem im emb ran os us . ▁ ▁Str ucture ▁The ▁sem it end inos us , ▁remarkable ▁for ▁the ▁great ▁length ▁of ▁its ▁tend on ▁of ▁insert ion , ▁is ▁situated ▁at ▁the ▁posterior ▁and ▁med ial ▁aspect ▁of ▁the ▁th igh . ▁ ▁It ▁ar ises ▁from ▁the ▁lower ▁and ▁med ial ▁impression ▁on ▁the ▁upper ▁part ▁of ▁the ▁tub eros ity ▁of ▁the ▁is ch ium , ▁by ▁a ▁tend on ▁common ▁to ▁it ▁and ▁the ▁long ▁head ▁of ▁the ▁b ice ps ▁fem oris ; ▁it ▁also ▁ar ises ▁from ▁an ▁ap one u ros is ▁which ▁connect s ▁the ▁adjacent ▁surfaces ▁of ▁the ▁two ▁mus cles ▁to ▁the ▁extent ▁of ▁about ▁ 7 . 5   cm . ▁from ▁their ▁origin . ▁ ▁The ▁mus cle ▁is ▁fus iform ▁and ▁ends ▁a ▁little ▁below ▁the ▁middle ▁of ▁the ▁th igh ▁in ▁a ▁long ▁round ▁tend on ▁which ▁lies ▁along ▁the ▁med ial ▁side ▁of ▁the ▁pop l ite al ▁f ossa ; ▁it ▁then ▁curves ▁around ▁the ▁med ial ▁cond yle ▁of ▁the ▁tib ia ▁and ▁passes ▁over ▁the ▁med ial ▁coll ater al