# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220073520068` · 12/05/2007 · Dorchester Enterprises, Inc.
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD 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:** KNEE/PATELLA
- **Days lost:** 20
- **Mine experience:** 0.48 years
## Operator
- **Controller:** Cumberland Resources Corporation
- **Operator:** Dorchester Enterprises, Inc.
- **Mine:** [4407052](https://api.ai-analytics.org/mine/4407052)
## Narrative

The individual was walking down the mine entry when he stepped on a piece of loose coal and twisted his left knee.

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