# SLIP OR FALL OF PERSON
> MSHA accident `220113180080` · 11/09/2011 · Mammoth Coal Co.
## 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:** Getting on or off equipment
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 5
- **Mine experience:** 0.04 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Mammoth Coal Co.
- **Mine:** [4609108](https://api.ai-analytics.org/mine/4609108)
## Narrative

Employee stated that he stepped down from conveyor belt line and his knee twisted sideways. Nothing on mine floor at the area, he stated his knee just went sideways. He continued to work however pain continued and he ceased work.

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