# MACHINERY
> MSHA accident `220103610003` · 12/20/2010 · Nine Mile Mining Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK 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:** ROOF (ROCK) BOLTS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 131
- **Mine experience:** 0.12 years
## Operator
- **Controller:** James C  Justice II
- **Operator:** Nine Mile Mining Inc.
- **Mine:** [4407156](https://api.ai-analytics.org/mine/4407156)
## Narrative

Employee was roof bolting.  He stated that he twisted around to retrieve a roof bolt when he felt a pain in his back.  He worked the rest of his shift and went to the emergency room on 12-21-2010 at 10:00 a.m.  His was told that he had a pulled muscle.

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