The sequenced use of core movements in 20th Century Japanese martial arts can also be seen in:
Judo Taiso (Tomiki), Tegatana Dosa, Aiki Taiso, happo undō (Aikido) Itsutu-no-kata, Ju no Kata (judo)
Shinobi Iai Happo Sabaki (Bujinkan) and many more in western and Chinese arts.
In those systems the taiso or kata give deeper understanding of the principles of each art and provide physical exercise, applications and techniques.
Ikiyōyō undō are just movements, neither applications or drills.
Ikiyōyō undō is a learning pathway for students of all levels