# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220121910002` · 06/27/2012 · Lafarge North America
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 16
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Lafarge S A
- **Operator:** Lafarge North America
- **Mine:** [1300125](https://api.ai-analytics.org/mine/1300125)
## Narrative

Climbing down ladder and stepped on rock at bottom and twisted knee.

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