# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220143530035` · 07/22/2014 · University Redi-Mix
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY 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:** Machine maintenance
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 4 years
## Operator
- **Controller:** Colas S A
- **Operator:** University Redi-Mix
- **Mine:** [5001712](https://api.ai-analytics.org/mine/5001712)
## Narrative

Employee stepped on a rock and twisted knee.  He believed it was fine at the time but recently went to the doctor back in Texas where he lives and is having his knee operated on December 20, 2014.

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