# Major tears to muscles, tendons, ligaments at Allegheny Health Network
> OSHA SIR `2018021848` · 2/23/2018 · PITTSBURGH, PENNSYLVANIA
## Severity
- **1 hospitalization**
- **Body part:** Thigh(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Fall on same level, n.e.c.
- **Source:** Floor, n.e.c.
## Employer
- **Name:** Allegheny Health Network
- **Location:** 4800 Friendship Avenue, PITTSBURGH, PENNSYLVANIA, 15208
- **NAICS:** 622110
- **Jurisdiction:** 1
## Narrative

An employee was walking in a hallway and went to step over a pen when his knee gave in. The employee fell and sustained a bilateral quadriceps tear.

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