# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220110960034` · 03/23/2011 · Mertens Construction Company, Inc
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Assayer, Geologist, Metallurgist, Engineer, Engineer management
- **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:** 9 years
## Operator
- **Controller:** Mertens Construction Company Inc
- **Operator:** Mertens Construction Company, Inc
- **Mine:** [2302009](https://api.ai-analytics.org/mine/2302009)
## Narrative

Stepped on rock, twisted left knee.

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