The following electronic only articles are published in conjunction with this issue of BJSM

Harlequin syndrome in two athletes

K E Fallon, J J May

Two cases are reported of harlequin syndrome, a disorder of the sympathetic nervous system in which sweating and flushing of the skin in response to exercise is diminished. This condition is most likely to be first noticed in sporting situations.

(Br J Sports Med 2005;39:e1) http://bjsm.bmjjournals.com/cgi/content/full/39/1/e1

Weight loss pressure on a 5 year old wrestler

R A Sansone, R Sawyer

The case is reported of a 5 year old boy who was pressured to lose weight in order to wrestle at a lower weight class. Although a minority of athletes engage in unhealthy weight management practices, this is an unusual case because of the age of the athlete and the influential role of a parent.

(Br J Sports Med 2005;39:e2) http://bjsm.bmjjournals.com/cgi/content/full/39/1/e2

Rhabdomyolysis in 119 students after repetitive exercise

A C-M Lin, C-M Lin, T-L Wang, et al

Exercise induced rhabdomyolysis is well known, but has rarely been reported in high school students. This is the report of 119 cases in high school students who exercised vigorously (120 push ups in five minutes) in cold weather. Most of them developed muscle pain and dark urine within two to four days of the exercise.

(Br J Sports Med 2005;39:e3) http://bjsm.bmjjournals.com/cgi/content/full/39/1/e3