# SLIP OR FALL OF PERSON
> MSHA accident `220211380003` · 05/11/2021 · Bronco Utah Operations, LLC.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Other, NEC
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 4
- **Mine experience:** 0.17 years
## Operator
- **Controller:** Bronco Coal Resources, LLC
- **Operator:** Bronco Utah Operations, LLC.
- **Mine:** [4200079](https://api.ai-analytics.org/mine/4200079)
## Narrative

A miner was injured when miner was bent down looking for a lost drill bit that had fallen under the boom of the bolter. When miner began to stand up miner's foot was stuck in the mud, making miner's leg twist as miner stood. This caused left knee to pop out of joint.  When miner was able to stand up straight the knee popped back into place.

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