# HANDLING OF MATERIALS
> MSHA accident `220170110018` · 01/02/2017 · Utica Silica, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 2
- **Mine experience:** 0.58 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** Utica Silica, LLC
- **Mine:** [1103268](https://api.ai-analytics.org/mine/1103268)
## Narrative

Miner suffered a lower left back muscle strain. Miner was on knees moving cams to set screen deck following normal procedure on a Rotex sizing machine and reported sudden back pain. Miner was experienced in this task. Miner was wearing assigned PPE. Possible factors include muscle fatigue from screen changing, inadequate rest periods or stress of coming erect from kneeling.

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