noun which may take the genitive case particle 'no'
axial; body axis
Technical term used in anatomy, biology, and sports science to refer to the central axis of the body. Often used attributively with の.
体軸の安定性はスポーツにおいて重要だ。
Stability of the body axis is important in sports.
このエクササイズは体軸を意識して行ってください。
Please perform this exercise while being aware of your body axis.