# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220131050050` · 04/11/2013 · Central Stone Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Handling coal, Rock, Ore
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 60
- **Mine experience:** 7 years
## Operator
- **Controller:** Riverstone Group
- **Operator:** Central Stone Company
- **Mine:** [2301957](https://api.ai-analytics.org/mine/2301957)
## Narrative

Employee alleges he was clearing rock from skirting and he went to see if the tail pulley was cleared and as he took a step back his knee went out.

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