36-year-old Delrie Rosario died after a freak accident at LA Fitness. The mother of four was exercising at the gym location in Kent, Washington , when she fell and hit her head on a treadmill. Rosario lost consciousness and died in the hospital. “All we were doing was working out,” Rosario’s sister, Marissa Woods, told KIRO 7 News . She was at the gym with her sibling on Friday, July 21, at the time of the unexpected accident.  According to KIRO, Rosario attempted to slow the treadmill down when she missed a step and tumbled, causing her to hit her head on the treadmill. Woods said that she began crying out for someone to help her sister. “I was screaming, you know, ‘Anybody, just please help! Anybody know how to do CPR?'” She claimed that while other gym-goers stopped to assist her sister, none of the gym staff came to her aid. LA Fitness has not provided a statement on behalf of the location.  Rosario’s grieving family told the outlet she was a dedicated mother and would do...