Chronic Joint/Tendon Damage
Has anyone read any medical articles on chronic joint/tendon damage resulting from Aikido? For example, has there been a study(s) on 10 year olds that started aikido, practiced 4X/week and how their joints and health are at 20, 30, 40, 50 and 60 years of age?
What about studies of 60 year old aikidokas (who have actively trained for 40 years) joint health?
URLs are appreciated.