diagram of distance to top support for a ladderr

Falls remain a leading cause of unintentional injury mortality nationwide. Among workers, approximately 20% of fall injuries involve ladders. Among construction workers, an estimated 81% of fall injuries treated in U.S. emergency departments involve a ladder. Ladder use in construction activities is one of the most frequently cited Occupational Safety & Health Administration standards.

Injuries from ladder falls can be severe, but are preventable.

(Source - Centers for Disease Control and Prevention - Morbidity and Mortality Weekly Report 4/25/14)