Researchers in Australia have found that athlete’s wearing training shoes using air bag cushioning systems in the sole are four times more likely to suffer ankle injuries.
Although the high level of cushioning reduces impact trauma such as hamstring injury, free moving air pockets can cause greater rotation of the heel when landing. The extra cushioning also takes away feedback regarding the position of the foot which reduces the body’s ability to avoid injury biomechanically.
Obviously bike riders suffer very few heel impacts but if you’re one of the many riders who use running as part of their fitness training (particularly at the moment) then be wary of over bouncy shoes. Espescially as cyclists ankles are notoriously unconditioned to the lateral and impact forces of running.
More information at New Scientist.com