# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220130080008` · 01/04/2013 · Emerald Coal Resources LP
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 8
- **Mine experience:** 12 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Emerald Coal Resources LP
- **Mine:** [3605466](https://api.ai-analytics.org/mine/3605466)
## Narrative

Employee stepped on a lump of coal and twisted knee. Employee has a history of degenerative knee conditions including knee joint effusion. This is being submitted as an occupational illness due to the employees existing knee conditions.

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