Complex sentence: In August 2012, Silété collided with another skater while training in Courchevel and had a bad fall, suffering a torn anterior cruciate ligament and injuring her lateral external ligament and meniscus.
Split into simpler sentences: In August 2012, Silété collided with another skater while in practice at Courchevel and had a bad fall. She suffered a torn anterior cruciate ligament, and injured her lateral external ligament and meniscus.