Health researchers in Lancashire have designed a new type of trainer, containing miniaturised mattress springs. They claim the springs can reduce injury.
Prof Jim Richards, from the University of Central Lancashire, explains how the design creates a "shock absorber" that is similar to one in a car.
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After a cold start to the night cloud builds, winds freshen and rain moves east during Sunday
Remaining cold for Saturday day and night. Briefly milder yet more unsettled into Sunday
Icy patches will be a hazard on some untreated roads, pavements & paths. Some injuries are possible from slips and falls on icy surfaces