French prosecutors investigating Michael Schumacher's skiing accident revealed one of Mr Schumacher's skis hit a rock, which caused the German to fall.
The accident in French resort Meribel has left the Formula One champion fighting for his life.
The investigators examined footage from a small camera which was attached to Michael Schumacher's helmet, after his family handed the camera over.
The seven-times Formula One champion suffered brain injuries in a skiing accident in the French Alps resort of Meribel 10 days ago.
His condition remained critical but stable, Grenoble Hospital has said in a statement on Monday.
More top news
Royal Marine Alexander Blackman has spent more than three years in jail since being convicted of murdering an insurgent.
There are believed to be less than 250 of the global population remaining due to poaching and loss of habitat.
Police are concerned for the welfare of Samantha Baldwin and her children, nine-year-old Louis Madge and six-year-old Dylan Madge