# SLIP OR FALL OF PERSON
> MSHA accident `220212450010` · 08/29/2021 · Alpine Silica, LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Front-end loader, Scraper-loader operator, Pan operator, Payloader, Scraper rig operator
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 34
- **Mine experience:** 0.58 years
## Operator
- **Controller:** Wilks Brothers LLC
- **Operator:** Alpine Silica, LLC
- **Mine:** [4105309](https://api.ai-analytics.org/mine/4105309)
## Narrative

Employee started shift on 8/28/21 at 6PM operating a Loader. At 2:30AM (8/29/21), they stopped Loader operation for a break. When they stepped down onto last step, they reported left knee bent backwards causing pain. Medical care diagnoses include: 1) sprain of unspecified site of left knee, 2-3) pain in and effusion unspecified knee, and 4) other bursitis.

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