# MACHINERY
> MSHA accident `220121390023` · 05/08/2012 · Pocahontas Coal Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, NEC
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Metinvest B V
- **Operator:** Pocahontas Coal Company LLC
- **Mine:** [4607191](https://api.ai-analytics.org/mine/4607191)
## Narrative

While the operator was attempting to line the bolt head up with the drill chuck, the joystick rotation control was accidentally hit causing his right hand and arm to be jerked. This resulted in a strain and sprain injury to his right hand and arm. This is to report medical treatment, employee missed NO day but remains on restricted duty.

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