Usain Bolt insists controversial Müller-Wohlfahrt will fix him for London

• Bolt visits German doctor over back problems that hampered Ostrava 100m• 'One run doesn't really matter to me - it comes down to the championships' Usain Bolt has flown to see the controversial German doctor Hans-Wilhelm Müller-Wohlfahrt in order to fix the back problems that flared up during his narrow win in Ostrava on Wednesday, but he has no doubts he can recover in time for the world championships in London. Related: Usain Bolt heads for check-up after labouring to narrow win in Ostr...