# MACHINERY
> MSHA accident `220133040049` · 10/11/2013 · Sidney Coal Company Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 178
- **Mine experience:** 1.27 years
## Operator
- **Controller:** Alpha Natural Resources, Inc.
- **Operator:** Sidney Coal Company Inc
- **Mine:** [1518381](https://api.ai-analytics.org/mine/1518381)
## Narrative

Employee was on his knees bolting and had to bend the bolt to install it. As he installed the bolt and pushed on the bolt to straighten it back out he felt his left knee pop. He went to the doctor that day, continued to work and began missing work on 10/22/13. (Strain to the left knee).

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