# HANDTOOLS (NONPOWERED)
> MSHA accident `220102290019` · 08/13/2010 · Knife River - South Dakota
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing objects
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ELBOW
- **Days lost:** 0
- **Mine experience:** 5.15 years
## Operator
- **Controller:** Gerald P  Sweetman
- **Operator:** Knife River - South Dakota
- **Mine:** [3901478](https://api.ai-analytics.org/mine/3901478)
## Narrative

EE was removing a rock from the feeder grizzly. The sledge hammer head came off the the handle causing the handle to strick the rock which over extended ee left elbow. (acute strain).

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