Nine players were hospitalized with a serious muscle condition called rhabdomyolysis in the days after the 45-minute workout, according to the university.

Twelve athletes were diagnosed with rhabdomyolysis or "rhabdo" after a workout led by a recent graduate of the Navy SEAL training program.

Five men’s lacrosse players at Tufts University remain hospitalized after a voluntary supervised 45-minute Navy SEAL-style workout left them with a dangerous condition called rhabdomyolysis.