# OTHER
> MSHA accident `220142720048` · 07/08/2014 · U S Silica Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** OTHER
- **Accident type:** Bodily reaction, NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BODILY MOTION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.85 years
## Operator
- **Controller:** USS Holdings Inc
- **Operator:** U S Silica Company
- **Mine:** [4703644](https://api.ai-analytics.org/mine/4703644)
## Narrative

Squatting down to move into work position and felt knee pop.  Treated using first aid until 9-26-14 when it became reportable due to medical treatment.

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