# MACHINERY
> MSHA accident `220072190048` · 07/16/2007 · Rockhouse Creek Development, LLC
## 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, Inserting bolt
- **Injury source:** ROOF (ROCK) BOLTS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 10
- **Mine experience:** 0.23 years
## Operator
- **Controller:** International Resources LLC
- **Operator:** Rockhouse Creek Development, LLC
- **Mine:** [4609018](https://api.ai-analytics.org/mine/4609018)
## Narrative

Operator was installing bolt into hole while attempting to straighten bolt, it spun around twisting his upper back.

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