# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220050870008` · 04/07/2004 · Monterey Coal Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** LW Propman, Propman helper, Move crew if LW, Move-up man, Jacksetter, Advanceman LW helper
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 33
- **Mine experience:** 5.54 years
## Operator
- **Controller:** Exxon Mobil Corp
- **Operator:** Monterey Coal Company
- **Mine:** [1100726](https://api.ai-analytics.org/mine/1100726)
## Narrative

On 4/7/04 employee stepped on a rock (about 2"" diameter) and twisted his right knee.  On 3/15/05 he had surgery to repair knee and began missing work at that time.

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