# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220133330009` · 11/18/2013 · Cumberland River Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Getting on or off equipment
- **Injury source:** MINE JEEP,KERSEY,JITNEY
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 23
- **Mine experience:** 3 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Cumberland River Coal LLC
- **Mine:** [4407224](https://api.ai-analytics.org/mine/4407224)
## Narrative

Employee stepped on to the man-trip when his knee locked up, he did not slip or trip and there is not a clear cut event that lead to his injury, we believe that his years of underground work had most likely weakened his knee.

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