# HANDLING OF MATERIALS
> MSHA accident `220143570023` · 12/20/2014 · Armstrong Coal Company, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Handling supplies or material
- **Injury source:** DOORS,INCL UG VENTILATION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 238
- **Mine experience:** 0.5 years
## Operator
- **Controller:** Armstrong Energy Inc
- **Operator:** Armstrong Coal Company, Inc.
- **Mine:** [1519358](https://api.ai-analytics.org/mine/1519358)
## Narrative

Injured employee was holding up a 3/4"" plywood door while hinges were being installed when his right knee gave out.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*