Tanden -hara-

Tanden is that the important part in body and the point of generating energy by oriental medicine.
In case Kyudo, point of tanden is hara, details by follow image.

How to check yourself,

Note) When focusing on tanden, it is best to start by imagining applying force. Once you get used to it, it is best to simply focus on the sensation without applying force.

Ref.) 恵比寿整体院, Wikipedia_丹田, 国際弓道同連盟