# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220072740072` · 09/20/2007 · National Coal Corporation
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Crawling, Kneeling
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 38
- **Mine experience:** 1.5 years
## Operator
- **Controller:** National Coal Corporation
- **Operator:** National Coal Corporation
- **Mine:** [4003237](https://api.ai-analytics.org/mine/4003237)
## Narrative

Victim was crawling and placed left knee on rock. When he put weight on knee, the knee twisted.

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