# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220150710016` · 02/19/2015 · Lehigh Southwest Cement Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 344
- **Mine experience:** 7.08 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Lehigh Southwest Cement Company
- **Mine:** [0400034](https://api.ai-analytics.org/mine/0400034)
## Narrative

Employee stepped on a rock walking down the East ramp of the rock dome causing him to slip and strain his left knee.

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