# MACHINERY
> MSHA accident `220103210027` · 11/12/2010 · Independence Coal Company Inc
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Hand tools (powered)
- **Injury source:** DRIL-PRCUSV,HRD ROC,JKHMR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 158
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Massey Energy Company
- **Operator:** Independence Coal Company Inc
- **Mine:** [4603755](https://api.ai-analytics.org/mine/4603755)
## Narrative

While using a jackhammer to break up a concrete floor, the jackhammer fell and when he tried to hold onto it, it jerked his left arm and shoulder.  Caused a strain to his left shoulder.

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