# Major tears to muscles, tendons, ligaments at USPS
> OSHA SIR `2017032412` · 3/15/2017 · WOLLASTON, MASSACHUSETTS
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Fall on same level due to slipping
- **Source:** Floors, walkways, ground surfaces, unspecified
- **Secondary source:** Ice, sleet, snow
## Employer
- **Name:** USPS
- **Location:** 14 Rice Rd., WOLLASTON, MASSACHUSETTS, 02170
- **NAICS:** 491110
- **Jurisdiction:** 1
## Narrative

An employee was delivering mail, slipped on some ice on the ground, and suffered a patellar tendon tear.

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