Does sled towing actually improve sprint speed and if so what is the optimum overload for the highest power output without harming running technique?
As world-record performances advance, the limits to human performance remain the subject of much debate
The world’s fastest sprinters have unique gait features that account for their ability to achieve fast speeds
It offers an enticing view of how the biological limits might be pushed back beyond the nearly 28 miles per hour speeds achieved by Usain Bolt to speeds of perhaps 35 or even 40 miles per hour.
A team of researchers from Copenhagen University found that doing 30-second ‘sprints’ of exercise – whether jogging, cycling or swimming – boosted fitness levels quicker than exercising at the same pace continuously.