World Athletics looked into eight years of performance improvements, and some crazy statisticians from Cornell reviewed thousands of web photos — and they have numbers.
By measuring biomechanical stress, you may be able to reduce injuries and improve training and racing, says a new paper.
But do they work to improve endurance performance? The evidence, so far, is mixed.
Australian researchers confirmed results of a previous trial finding that endurance athletes seem to train and race best on high-carb diets.