# SLIP OR FALL OF PERSON
> MSHA accident `220050380071` · 02/02/2005 · Dominion Coal Corporation
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.62 years
## Operator
- **Controller:** Sunoco, Inc.
- **Operator:** Dominion Coal Corporation
- **Mine:** [4406645](https://api.ai-analytics.org/mine/4406645)
## Narrative

The ee was installing roof bolts in the 1st cut that had been taken out of the No. 3 left crosscut. As the ee began walking to the head of the bolter from the tram station, he stepped upon a step up in the mine floor. As he stepped upon the 4"" step up his foot slipped off and the ee twisted and hyperextended his knee.

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