# HANDTOOLS (NONPOWERED)
> MSHA accident `220260920016` · 03/22/2026 · Knife River Corporation-Northwest
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** —
- **Mine experience:** 2.42 years
## Operator
- **Controller:** Knife River Corporation
- **Operator:** Knife River Corporation-Northwest
- **Mine:** [3502968](https://api.ai-analytics.org/mine/3502968)
## Narrative

Tunnel feeder had concrete chunks get stuck on crossbeams and needed to be removed before any more material is fed into the feeder. Employee took a 12lbs sledgehammer and tried to break material, this did not work. After this task the Employee felt pain in their right hand. Employee did not report the pain until 03/27/2026 at 630am after medical treatment

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