# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220120590034` · 02/21/2012 · Nevada Cement Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Eagle Materials Inc
- **Operator:** Nevada Cement Company
- **Mine:** [2600015](https://api.ai-analytics.org/mine/2600015)
## Narrative

Laborer was unloading a coal rail car.  He indicated that he had stepped down off a concrete platform onto the coal grizzly platform and sprained his left knee.  The coal grizzly platform is approx. 4"" to 6"" lower than the concrete platform.  The laborer indicated that he may have stepped onto built up rock or coal material that had not passed through the coal grizzly.

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