# HANDTOOLS (NONPOWERED)
> MSHA accident `220112570023` · 09/05/2011 · Ash Grove Cement Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 13.25 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Cement Company
- **Mine:** [4201665](https://api.ai-analytics.org/mine/4201665)
## Narrative

The employee was swinging a sledge hammer in an upward motion to loosen a bolt which caused him to strain his back.

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