Effects of rowing stroke rates on lower extremity intra-joint coordination variability in experienced young rowers.

The purpose of this study was to examine the effects of rowing stroke rates on lower extremity intra-joint coordination variability in professional rowers. Fifteen experienced young rowers volunteered to participate in this study. Kinematic data were recorded at different rowing speeds with seven Vicon cameras.

Prevalence of use of anabolic steroids by bodybuilders using three methods in a city of iran.

Background: The prevalence of substance use among bodybuilding athletes has been poorly studied in Iran. This study was conducted to examine the prevalence of drug use, especially anabolic steroids, among bodybuilding athletes.

Methods: This cross-sectional study was conducted in the first half of 2013 among body building athletes referring to gyms located in Kerman, Iran.