# Concussions at Department of the Army Rock Island Arsenal - Joint Manufacturing & Technology Center
> OSHA SIR `2022032761` · 3/28/2022 · ROCK ISLAND, ILLINOIS
## Severity
- **1 hospitalization**
- **Body part:** Brain
- **Nature of injury:** Concussions
## Cause
- **Event:** Pedal cycle collision in nonroadway area
- **Source:** Bicycle, pedal cycle
- **Secondary source:** Pipes, ducts, tubing, unspecified
## Employer
- **Name:** Department of the Army Rock Island Arsenal - Joint Manufacturing & Technology Center
- **Location:** 1 Rock Island Arsenal, ROCK ISLAND, ILLINOIS, 61299
- **NAICS:** 332999
- **Jurisdiction:** 1
## Narrative

An employee was riding a bicycle in a basement hallway. He stood up to get leverage and his head struck a steam pipe, which knocked him to the ground. He was hospitalized for a concussion and bruising of the spinal column.

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