Police Story 3 Super Cop helicopter hit

In a scene for Police Story 3: Super Cop, Jackie Chan was hit by a flying helicopter when a stunt went wrong. The impact ripped his shoulder muscles, broke his shoulder bone, broke a rib, and left him helplessly hanging until the crew could rescue him. The accident also dislocated his zygomatic bone (cheekbone). Who knew you could even dislocate your cheekbone?