Much has been made of Williams ' fight to stay healthy after a catalogue of injuries kept her off court for most of last year .
The world number 12 said Williams felt fine and that Williams ' tumble on Thursday had not Williams ' her ankle issue .
Much has been made of Williams ' fight to stay healthy after a catalogue of injuries kept her off court for most of last year , but the world number 12 said she felt fine and that her tumble on Thursday had not exacerbated her ankle issue .