# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220073540011` · 12/13/2007 · Big Cedar Stone
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **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:** ANKLE
- **Days lost:** 2
- **Mine experience:** 3.35 years
## Operator
- **Controller:** Edward J  Robinson
- **Operator:** Big Cedar Stone
- **Mine:** [2302273](https://api.ai-analytics.org/mine/2302273)
## Narrative

Walking around the work area, operator stepped on a rock on the floor and twisted his right ankle.

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