# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220091210038` · 04/13/2009 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Rubbed or abraded
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 61
- **Mine experience:** 8.38 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [3600185](https://api.ai-analytics.org/mine/3600185)
## Narrative

Employee was crawling in # 2 under grate compartment of # 1 cooler when he felt a pop in his left knee and a sharp pain. He crawled back out and could not put any weight on that leg.

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