23 January 2014 Last updated at 07:21 GMT

Sochi 2014: Andrew Musgrave 'stronger and faster' than 2010

Team GB cross-country skier Andrew Musgrave tells Steve Cram he will be a much stronger athlete at Sochi 2014 than he was on his Olympic debut as a teenager.

Musgrave finished 58th in the sprint at Vancouver 2010 but recently won the national championship in Norway.

See more with Andrew Musgrave on Inspire: the Olympic journey - BBC One, 13:15 GMT, Saturday 25 January 2014 .