Just two days ago, American skier Lindsey Vonn announced she tore her ACL during a tune-up for the women's downhill race at the Winter Olympics.

A week after rupturing the ACL in her left knee, Lindsey Vonn opened her chase for Olympic gold at the age of 41 with an aggressive and successful downhill training run on Friday — two days before the...

"I'm not giving up, working as hard as I can to make it happen," she declared under an accompanying video on Instagram showing her lifting weights, crouching, stretching, lying while kicking an exerci...