Guy Martin crashed during the second day of qualifying for the Macau Motorcycle Grand Prix.
The Honda rider slid into an unprotected concrete wall and suffered a suspected broken wrist as well as concussion.
Michael Rutter topped the time sheets with a time of 2min26.64s on the Aviva MSS Kawasaki, three tenths quicker than second-placed Yamaha Austria's Thomas Hinterreiter.
John McGuiness was third on the Stobart Honda while Guy Martin was listed as fourth quickest on the Solent Scientific Honda.
Yesterday's pace-setter Steve Plater had machine problems with his AIM Yamaha and only did five laps in the session
Macau Grand Prix qualifying two results:
Michael RUTTER Aviva MSS Kawasaki 2:26.644
Thomas HINTERREITER Yamaha Austria 2:26.949
John MCGUINNESS Stobart Honda 2:27.498
Guy MARTIN Solent Scientific Honda 2:28.064
Ian HUTCHINSON Stobart Honda 2:29.529
Steve ALLAN AIM Yamaha 2:29.652
Jeremy TOYE Lee's Cycles Racing Suzuki 2:29.730
Conor CUMMINS DMR Yamaha 2:30.762
Martin FINNEGAN MV Agusta 2:31.069
James MCBRIDE JV Yamaha 2:31.085