Racing Start Safety: Head Depth and Head Speed During Competitive Backstroke Starts.

The article investigates the influence of head depth, speed, and distance associated to safety in backstroke starts. It examines whether these variables are a function of age or not. It finds out that older swimmers are more vulnerable to injury when performing backstroke starts in shallow water than their younger counterparts. It concludes that backstroke start's maximum head depth is not different than the other competitive strokes among the older swimmers.