'Slow but steady' progress for Martin after Qatar MotoGP crash
The 27-year-old, who was making his first appearance of the season, slid out shortly after the halfway mark at Lusail and was clipped by the Italian Fabio Di Giannantonio who was just behind him.
His team said he had broken ribs and blood and air in the space round his lungs.
"Jorge Martin suffered a haemopneumothorax associated with multiple rib fractures," Aprilia said in a statement.
"The rider's clinical condition is showing a slow but steady improvement following medical examinations at...