# HANDLING OF MATERIALS
> MSHA accident `220100290019` · 10/29/2009 · Armstrong Cement & Supply Corp
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 50
- **Mine experience:** 1.69 years
## Operator
- **Controller:** Snyder Associated Companies Inc
- **Operator:** Armstrong Cement & Supply Corp
- **Mine:** [3600215](https://api.ai-analytics.org/mine/3600215)
## Narrative

EE was walking up steps, when he felt his knee pop.

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