# OTHER
> MSHA accident `220201890002` · 07/01/2020 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** OTHER
- **Accident type:** Bodily reaction, NEC
- **Occupation:** Miner, Prospector, NEC
- **Activity:** Machine maintenance
- **Injury source:** BODILY MOTION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 6.27 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [3600185](https://api.ai-analytics.org/mine/3600185)
## Narrative

The employee was working on the vent dust collector and was going from hopper to hopper and was standing on metal grating. When EE turned to move EE's foot stayed where it was as EE continued to twist and EE heard a pop in EE's knee.

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