From the EHS Today news article:
Many jobs require employees to constantly lift, move and work with heavy objects, all while standing for long periods of time. When all of these factors are coupled, it can result in potentially fatal injuries that start with the feet and work their way up the body, affecting knees, hips and backs.Foot injuries can cause enormous backlash for both the employee and employer.
Read more at the link:
https://www.ehstoday.com/foot-protection/hazards-affecting-your-employees-foot-safety