# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220112710028` · 07/25/2011 · Coal-Mac LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 12
- **Mine experience:** 4 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Coal-Mac LLC
- **Mine:** [4605909](https://api.ai-analytics.org/mine/4605909)
## Narrative

Traveling (walking) across ground tripped on a rock and loose material and twisted knee. EE was carrying tools to the pick up truck. He worked until he had surgery on 9/21/11 and began missing work 9/22/11.

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