# HANDTOOLS (NONPOWERED)
> MSHA accident `220082310004` · 07/09/2008 · Tower Rock Stone 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:** 36 years
## Operator
- **Controller:** Jay E  Luhr; Michael  Luhr
- **Operator:** Tower Rock Stone Company
- **Mine:** [2300781](https://api.ai-analytics.org/mine/2300781)
## Narrative

Miner was loosening jam nuts on a jaw crusher using an 8# hammer and hammer wrench.  When nut broke loose, miner attempted to slow the momentum of the hammer and felt a pull in his back.  Miner promptly reported but did not feel he needed medical care.  On 08-11-2008 he requested medical care for continued stiffness.  This resulted in a diagnosis of an acute high back strain.

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