# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220101680024` · 04/01/2010 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 11
- **Mine experience:** 13.08 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1300095](https://api.ai-analytics.org/mine/1300095)
## Narrative

Injured Worker was repairing #6 Finish Mill Separator stems inside the separator which requires the person to be in an awkward position.  He was kneeling on metal which he used felt for cushion.  His knee became stiff.  He reported on 6-15-10 that his knee was still feeling stiff and wanted to see a doctor.

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