To reveal key facts about chronic back pain, osteoarthritis and acute pain, and give insight into how these debilitating conditions can be treated, these medical mavericks used each other as human guinea pigs in fun and often painful experiments.
There was a doubled risk in football and handball players and a tripled risk in ice hockey players, according to a Swedish study published in the American Journal of Sports Medicine.
Vigorous sports activities during childhood and adolescence can cause abnormal development of the femur in young athletes, resulting in a deformed hip with reduced rotation and pain during movement in later life.
This may explain why athletes are up to ten times more likely to develop osteoarthritis than more sedentary individuals, according to the research published online in Clinical Orthopaedics and Related Research.
Dr. Klaus Siebenrock and his team, from the University of Bern in Switzerland found that, in those studied, osteoarthritis of the hip was more prevalent in high-level athletes than in those who do not take part in regular sports.
Why waste time wading through the plethora of guidelines on physical activity and health published by various government agencies and professional organizations when this book has already done it for you?
Information is available from all manner of sources and locations such as government documents, press releases and Web sites and finding specific guidelines can be a time consuming and frustrating exercise.
Physical Activity and Health Guidelines puts all this current information at your fingertips for instant access.