# SLIP OR FALL OF PERSON
> MSHA accident `220113050009` · 08/12/2011 · Continental Cement Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 4.35 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Continental Cement Company LLC
- **Mine:** [2300217](https://api.ai-analytics.org/mine/2300217)
## Narrative

Employee was walking to hydropulper control panel when he caught his foot on an anti-fatigue mat and twisted his knee.  (Did not become reportable until 10/27/11 when he had surgery.)

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