Incident date: 2016-10-22
NAICS industry code: 517110

While he was descending outdoor concrete stairs at a customer's premises, and the employee's knee gave out. He fell to the ground and tore his left and right quadriceps.

Hazard classification:
code_event: title: Other fall to lower level, unspecified
code_source: title: Stairs, steps-outdoors
code_nature: title: Major tears to muscles, tendons, ligaments
code_body: title: Thigh(s)
severity: moderate