# MACHINERY
> MSHA accident `220101750021` · 06/18/2010 · 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:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 43
- **Mine experience:** 5.87 years
## Operator
- **Controller:** Stillwater Mining Company
- **Operator:** Stillwater Mining Company
- **Mine:** [2401879](https://api.ai-analytics.org/mine/2401879)
## Narrative

Employee was bolting a round with a jackleg.  He was collaring a rib hole and turned the throttle on full, the leg went on full. As he held on to turn the leg control off, his right arm was jerked as leg fully extended.

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