# MACHINERY
> MSHA accident `220162640002` · 09/13/2016 · Ash Grove Aggregates Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Power shovel, Dragline
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.63 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Aggregates Inc
- **Mine:** [2302127](https://api.ai-analytics.org/mine/2302127)
## Narrative

Employee was inside an excavator breaking rock up. A rock slammed the arm of machine down and jarred the machine, causing mid to lower back pain. Diagnosis: Trapezius strain.

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