This book says that the emperor heard that TAIMA no Kehaya was the greatest wrestler in the world and he also said that Sukume broke Kehaya's rib and hipbones with his kick technique and killed him.
この中で「朕聞當麻蹶速者天下之力士也」「各擧足相蹶則蹶折當麻蹶速之脇骨亦蹈折其腰而殺之」とあり、宿禰が蹴速を蹴り技で脇骨と腰を折って殺したとされる。