# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220132400036` · 08/24/2013 · Molycorp Minerals 
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Getting on or off equipment
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.46 years
## Operator
- **Controller:** Molycorp Inc
- **Operator:** Molycorp Minerals 
- **Mine:** [0402542](https://api.ai-analytics.org/mine/0402542)
## Narrative

During material movement driver stepped out of semi tractor and a rock rolled under his left foot when he stepped on it causing the driver to jerk to keep his balance which in turn popped his left knee.

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