The importance of changing old Bogu in time to avoid injury!

Posted by Dr. Gary Chu on 31st Jul 2026

The importance of changing old Bogu in time to avoid injury!

This study compared used Men with 5 or more years to new Men under identical impact conditions.

Key findings:
- Older helmets showed bewteeen 22 to 36.7% less energy absorption.

- Men head impact forces were significantly higher.

- Takeaway: In kendo, age may matter as much as design when it comes to head protection.

Read the scientific article HERE.