# SLIP OR FALL OF PERSON
> MSHA accident `220100570039` · 02/22/2010 · Guest Mountain Mining 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:** 1.08 years
## Operator
- **Controller:** Cumberland Resources Corporation
- **Operator:** Guest Mountain Mining Corporation
- **Mine:** [4407138](https://api.ai-analytics.org/mine/4407138)
## Narrative

The individual was walking to the rear of the roof hitting machine when he stepped on an area of irregular bottom and twisted his knee.

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