# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220220700016` · 03/07/2022 · White Rock Quarries
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Groundman, Yardman
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.17 years
## Operator
- **Controller:** Vecellio Group Inc
- **Operator:** White Rock Quarries
- **Mine:** [0801058](https://api.ai-analytics.org/mine/0801058)
## Narrative

While EE was walking to M215 Conveyor, EE stepped on a rock which caused EE to shift weight to prevent twisting ankle. This maneuver caused a strain to EE's right knee.

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