# Major tears to muscles, tendons, ligaments at U.S. Postal Service
> OSHA SIR `20181111592` · 11/9/2018 · GREEN BAY, WISCONSIN
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Walking, without other incident-single episode
- **Source:** Bodily motion or position of injured, ill worker
## Employer
- **Name:** U.S. Postal Service
- **Location:** 3300 Packerland Drive, GREEN BAY, WISCONSIN, 54303
- **NAICS:** 491110
- **Jurisdiction:** 1
## Narrative

An employee was walking on pavement, delivering mail, when his patellar tendon tore and his knee buckled.

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