Will bed spring trainers make runners jump for joy?

There have been many advances in running shoes over the years.

But thanks to a group at the University of Central Lancashire in Preston, a giant leap may just be around the corner.

They have teamed up with a firm that makes mattresses to produce a trainer with springs in the soles.

Adam McClean reports.

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The bed spring trainer

Health researchers in Lancashire have designed a new type of trainer, containing miniaturised mattress springs. They claim the springs help to reduce injury.