# HANDLING OF MATERIALS
> MSHA accident `220121940016` · 02/15/2012 · Continental Cement Company LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 19.75 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Continental Cement Company LLC
- **Mine:** [2300217](https://api.ai-analytics.org/mine/2300217)
## Narrative

Injured employee was working from a kneeling position, and another worker in the area stepped on his foot.  This twisted the knee and caused damage to the joint.  Injury did not become reportable until date of surgery; 5/31/2012

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