# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220253170413` · 07/23/2025 · U. S. Silica Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** RBR,GLS,PLSTC,FIBRGLS,FAB
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 13.23 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U. S. Silica Company
- **Mine:** [1101013](https://api.ai-analytics.org/mine/1101013)
## Narrative

The employee was working on mineral separators when they stepped on a mesh cleaning ball and twisted their right knee. They did not fall but, felt soreness the next day.

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