# SLIP OR FALL OF PERSON
> MSHA accident `220200550022` · 02/12/2020 · Black Mountain Sand Midcon LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Car trimmer, Car loader, Bin puller, Truck loader
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.58 years
## Operator
- **Controller:** Black Mountain Sand Holdings LLC; Owl Rock
- **Operator:** Black Mountain Sand Midcon LLC
- **Mine:** [3402185](https://api.ai-analytics.org/mine/3402185)
## Narrative

Employee stepped wrong and twisted the knee, causing pain. Diagnosed as knee sprain, light duty.

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