Patient using hospital exercise bike
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Exercise bike used to aid patients' recovery in Portsmouth

7 March 2014 Last updated at 11:29 GMT

Critically ill patients at Portsmouth's Queen Alexandra Hospital are being put on an exercise bike to help speed up their recovery.

In trials, some have cycled up to three miles a day while they are still in intensive care.

The bike can even be used by patients in a coma.

Consultant Dr Kayode Adeniji said early rehabilitation can help shorten the length of time patients spend in intensive care.