強さ

Strength is one of the two aspects of Power, the other being Speed.

Power is the most important attribute of Sumou with regard to physical performance, aside Technique.

Therefore cultivating bodily Strength is one of the key aspects of Keiko.

Most exercises in Power Lifting, a part of Keiko, are concerned with building Strength.

Basic Sumou exercises, notably Shiko are also concerned with forging Strength.

Strength is cultivated through other parts of Keiko within for instance Butsukarigeiko most notably.