In order to clarify aiki and breath power as concrete technical principles, there have been many attempts to explain them from various angles such as datsuryoku, the use of body weight, the shifting of one's center of gravity, the abdomen and lower back inner muscles, the leverage theory, the use of illusion and reflex, and psychological manipulation, but research from the perspective of empirical science has not been sufficient.
合気・呼吸力を具体的な技法原理として解明するために、脱力・体重利用・重心移動・腹腰部深層筋・梃子の原理・錯覚や反射の利用・心理操作など様々な側面から説明が試みられているが、実証科学的な研究はまだ充分とは言えない。