# SLIP OR FALL OF PERSON
> MSHA accident `220123610019` · 12/17/2012 · Emerald Coal Resources LP
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Move non-self-propelled equip
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 45
- **Mine experience:** 1 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Emerald Coal Resources LP
- **Mine:** [3605466](https://api.ai-analytics.org/mine/3605466)
## Narrative

The employee was pulling a longwall shield and slipped off the shield pontoon, twisting his right knee. The physician's examination was negative, however the employee was not able to apply weight to his right leg.

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