# SLIP OR FALL OF PERSON
> MSHA accident `220100430010` · 02/11/2010 · Falkirk Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Security guard, Watchman
- **Activity:** Walking, Running
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 21
- **Mine experience:** 1 years
## Operator
- **Controller:** NACCO Industries Inc
- **Operator:** Falkirk Mining Company
- **Mine:** [3200491](https://api.ai-analytics.org/mine/3200491)
## Narrative

While Security officer was walking down the coal silo's catwalk his left foot slipped on the frosted grating.  He caught himself from falling but twisted his right knee while doing so.

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