A treadmill using technology designed for astronauts is being used to help patients in Bournemouth.
It will be used to help people with leg injuries and disorders recover, as they can exercise without putting their whole body weight on their legs.
Patients with arthritis of the knee joint and some with lower back pain, are zipped into a sealed bag which is then pumped with air.
Their body weight is reduced by as much as 80% while they use they machine.
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