# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220082840041` · 09/26/2008 · Rosebud Mining Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.4 years
## Operator
- **Controller:** J Clifford  Forrest III
- **Operator:** Rosebud Mining Company
- **Mine:** [3608525](https://api.ai-analytics.org/mine/3608525)
## Narrative

Employee slipped on a rock while installing a roof bolt. This resulted in a torn ACL and swelling of the knee. He had his knee drained. Employee has had no lost time but will require surgery in the future.

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