# HANDLING OF MATERIALS
> MSHA accident `220132560035` · 09/05/2013 · Asphalt Paving Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 7.5 years
## Operator
- **Controller:** Jeffrey W  Keller; John M  Keller
- **Operator:** Asphalt Paving Company
- **Mine:** [0503007](https://api.ai-analytics.org/mine/0503007)
## Narrative

Employee changing wear parts on a rock crusher and trying to situate a hammer into a vertical shaft impact crusher when he felt a pop in his back. The next day (9-6-13) employee was replacing grease on the track shovel when his back began hurting much worse.

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