# Major tears to muscles, tendons, ligaments at Bell Laboratories, Inc.
> OSHA SIR `2017077033` · 7/27/2017 · MADISON, WISCONSIN
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Other fall to lower level less than 6 feet
- **Source:** Stairs, steps, unspecified
## Employer
- **Name:** Bell Laboratories, Inc.
- **Location:** 3699 Kinsman Boulevard, MADISON, WISCONSIN, 53704
- **NAICS:** 325320
- **Jurisdiction:** 1
## Narrative

An employee was walking down concrete steps and caught his heel on the last step falling backwards. Both knees buckled due to the way he landed on his feet. The employee suffered torn patellar tendons in both knees.

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