# HANDLING OF MATERIALS
> MSHA accident `220202720025` · 09/18/2020 · Mountain States Constructors Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Outside foreman, Leadman
- **Activity:** Supervise
- **Injury source:** MCH PWR TRNSMSN APPR,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 11 years
## Operator
- **Controller:** David  Otoski; Karen  Pace
- **Operator:** Mountain States Constructors Inc
- **Mine:** [2902277](https://api.ai-analytics.org/mine/2902277)
## Narrative

Employee was kneeling down near a switch gear box. Another worker was getting ready to turn on switch, when EE did it made a noise and startled employee and caused employee to jerk left left arm, pain followed immediately after this in the shoulder.

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