# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220122980021` · 10/03/2012 · Superior Silica Sands LLC
## 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:** 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:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Insight Equity
- **Operator:** Superior Silica Sands LLC
- **Mine:** [4703671](https://api.ai-analytics.org/mine/4703671)
## Narrative

EE was carrying a bucket of nails/bolts that weighed about 35 - 40 pounds.  He slung it around his shoulder to carry and while he was walking he stepped on a baseball sized rock which made him lose his balance.  He was able to stay on his feet, but in the process twisted his back.

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