Simone Petilli of UAE Team Emirate was being kept under observation at a hospital in Varese, having sustained a concussion and laceration to his forehead as well as contusions to his right shoulder and hip.
The 24-year-old also suffered a fracture of the right occipital condyle (a fracture in the neck that can be potentially fatal if not discovered), a fracture of the right transverse process of the D1 vertebra, a broken right collarbone and a broken right shoulder blade, in addition to wounds near the right eye.
Daniel Martinez of Wilier Triestina) had injuries to his left side, but no bone ractures.
The steep, technical nature of the downhill makes the descent from the Sormano one of the most dangerous stretches of road on the WorldTour calendar.
The corner that claimed so many victims, near the bottom of the descent, has an arc that is obscured by a stone wall and a treacherous decreasing radius that can catch even the world's best riders by surprise.