# Major tears to muscles, tendons, ligaments at Imperial Lighting Maintenance Co.
> OSHA SIR `2020021145` · 2/4/2020 · CHICAGO, ILLINOIS
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Other fall to lower level, unspecified
- **Source:** Ladders, unspecified
- **Secondary source:** Floors, walkways, ground surfaces, unspecified
## Employer
- **Name:** Imperial Lighting Maintenance Co.
- **Location:** 700 N. Michigan Ave., CHICAGO, ILLINOIS, 60611
- **NAICS:** 238210
- **Jurisdiction:** 1
## Narrative

An employee was on a ladder repairing a light fixture. The employee fell to the ground while coming down the ladder, detaching the muscle in both knees.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · AI Analytics · CC0 1.0*