# HANDLING OF MATERIALS
> MSHA accident `220071130027` · 04/12/2007 · Salt River Sand & Rock
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** ELECTRICAL APPARATUS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 13.77 years
## Operator
- **Controller:** Salt River Pima-Maricopa Indian Community
- **Operator:** Salt River Sand & Rock
- **Mine:** [0202613](https://api.ai-analytics.org/mine/0202613)
## Narrative

On 4/12 he strained his back while installing a battery in a truck, but did not feel the need to seek medical attention. Then on 4/17 while flipping corner bits on a dozer blade he felt a pop in his back.

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