# SLIP OR FALL OF PERSON
> MSHA accident `220103470020` · 07/13/2010 · Lone Mountain Processing LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Belt foreman, Maintenance foreman, Maintenance supervisor
- **Activity:** Walking, Running
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 7 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Lone Mountain Processing LLC
- **Mine:** [1518647](https://api.ai-analytics.org/mine/1518647)
## Narrative

While moving an oxygen cylinder the employee tripped over a rock and twisted his right knee.  This injury became reportable when he received medical treatment on 12/03/2010.  The employee has not misssed any work.

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