With the back stiffness and small coverage, wide application of depth, etc., synthetic fiber cable has gradually become the main component of a new deep-sea mooring system.

John Terry had treatment from the England osteopath yesterday, Sunday, who was brought down to the Chelsea training ground to help the captain recover from his back stiffness.

A bed that's too soft can cause poor sleep postures (which can also lead to muscle stiffness and back problems).