# SLIP OR FALL OF PERSON
> MSHA accident `220142890004` · 09/18/2014 · Lehigh Southwest Cement Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Electrician, Lineman
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 122
- **Mine experience:** 0.5 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Lehigh Southwest Cement Company
- **Mine:** [0400034](https://api.ai-analytics.org/mine/0400034)
## Narrative

Employee was exiting the preheat blend dome and stepped on uneven ground, twisting his knee.

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