# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220153560025` · 09/19/2015 · Westmoreland San Juan Mining LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 18
- **Mine experience:** 1.46 years
## Operator
- **Controller:** BHP Billiton
- **Operator:** Westmoreland San Juan Mining LLC
- **Mine:** [2902170](https://api.ai-analytics.org/mine/2902170)
## Narrative

Walking into the charging station #9, slip on a rock approximately 4 inches in front of the battery.  Tried not to twist my ankle and twisted my knee.

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