# MACHINERY
> MSHA accident `220103260020` · 11/16/2010 · Stillwater Mining Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Roof bolter, NEC
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 18
- **Mine experience:** 1.46 years
## Operator
- **Controller:** Stillwater Mining Company
- **Operator:** Stillwater Mining Company
- **Mine:** [2401490](https://api.ai-analytics.org/mine/2401490)
## Narrative

Employee was bolting.  He repositioned the jackleg to finish driving the split set when he felt his back ""pop"".  Pain was in the lower back.

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