日本語
rajiotaisou
radio gymnastics
[radio gymnastics]…is one kind of general exercise aimed at building up the strength and health of national citizens. It may also refer to the NHK program which uses gymnastic music to instruct.
うんどうする
to exercise
およぐ
to swim
きたえる(あしを〜/あしこしを〜/からだを〜)
to strengthen (legs/legs and back/body)
きんとれ
muscle training
きんにくを つける
to develop one's muscles