Two  leading sports injuries specialists ( a consultant orthopaedic surgeon and a specialist physiotherapist) are doing a web chat on sports injuries - it's free and easy to join in   Hosted by University College London Hospitals NHS Foundation Trust

Training for a marathon?  Got some twinges and niggles that might stop you from going the whole distance?  Or are you digging out your trainers for the first time in years and want to know if those aches and pains are down to being a bit rusty or something a bit more serious?

More information at http://www.uclh.nhs.uk/aboutus/webchat/Pages/Sportsinjuries.aspx