# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220160600002` · 02/17/2016 · Matrix Energy LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Miner, NEC
- **Activity:** Handling supplies or material
- **Injury source:** STEEL RAIL (ALL KINDS)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 335
- **Mine experience:** 10 years
## Operator
- **Controller:** James H  Booth
- **Operator:** Matrix Energy LLC
- **Mine:** [1518575](https://api.ai-analytics.org/mine/1518575)
## Narrative

Employee was pulling slack up on air hoses from impact wrench and tripped over rail and twisted back. 

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