# HANDLING OF MATERIALS
> MSHA accident `220021990035` · 07/03/2002 · Knife River Corporation - Northwest
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Getting on or off equipment
- **Injury source:** CHUTE & SLIDE-CONVYR HOPR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 4
- **Mine experience:** 2 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River Corporation - Northwest
- **Mine:** [3503465](https://api.ai-analytics.org/mine/3503465)
## Narrative

WORKER WAS CLIMBING INTO A HOPPER OFF THE END OF A SCALP SCREEN. HE LOWERED HIMSELF DOWN WITH HIS ARMS AND TWISTED TO GET A FOOTING. HE FELT A PULL IN LOWER BACK.

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