# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220090090030` · 10/14/2008 · Hobet Mining LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **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:** Getting on or off equipment
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 29
- **Mine experience:** 3.5 years
## Operator
- **Controller:** Patriot Coal Corporation
- **Operator:** Hobet Mining LLC
- **Mine:** [4604670](https://api.ai-analytics.org/mine/4604670)
## Narrative

Employee was dismounting a D-11 dozer. He stepped on a round rock with his heel and he twisted his left knee. The employee finished his shift. On 10-17-08 he went to his family physician who referred him to a specialist. The specialist  advised that he had a torn miniscus and needed surgery. He missed his first shift of work on 12-29-08 and had surgery on 12-30-08.

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