# HANDLING OF MATERIALS
> MSHA accident `220071620027` · 06/04/2007 · Knife River Corporation-Northwest
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Blaster, Shooter, Shotfirer, Explosive worker, Powder gang/monkey
- **Activity:** Handling supplies or material
- **Injury source:** BAGS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 7.77 years
## Operator
- **Controller:** MDU Resources Group Inc
- **Operator:** Knife River Corporation-Northwest
- **Mine:** [3503321](https://api.ai-analytics.org/mine/3503321)
## Narrative

Employee was loading holes, he reached out to his right, to grab a 50# bag of ANFO and felt a sharp pain in his lower back. He strained his lower back.

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