Aikido and Knee Injury Project

Part I: The Incidence of
Acute Knee Injuries in Aikido
Janet Rosen, R.N., B.S.N., P.H.N., © 2002

While this article and the data in it is copyrighted by the writer, it is my wish that the information be spread, reported, and discussed freely ~ please let me know if you are reprinting or excerpting it, and please DO always give me credit and note the copyright. Thank you, and safe and joyous training!

The Survey at a Glance......

Number of Dojo: 101
Members: 3250
Men: 75%
Women: 25%

Acute knee injuries in
the past five years: 99
No injuries: 50 dojo
At least one injury: 51 dojo

Acute knee injuries,
per dojo basis
Total: 4.45%
Men: 4.52%
Women: 4.44%

Acute knee injuries, per total respondents
Total: 3%
Men: 3%
Women: 3%

Age of dojo:
up to 5 yrs.: 19%
6-10 yrs.: 18%
over 10 yrs.: 63%

Average dojo size: 32
Smallest: 5
Largest: 140

Age of those injured:
Under 35: 51%
35-50: 36%
Over 50: 13%

Time in Training of those injured:
Under 1 year: 12%
1-5 years: 43%
6-10 years: 22%
Over 10 years: 23%

Continue to Survey Write-Up

Thank you to Jun Akiyama at Aikiweb and to David Cody for technical assistance that made this project possible, and to Joel Posluns Sensei and to the members of Aikido-L for their support and assistance with this project.

Please feel free to contact me with any questions.