# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220233470007` · 11/24/2023 · Hawaiian Cement
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 5
- **Mine experience:** 34 years
## Operator
- **Controller:** Knife River Corporation
- **Operator:** Hawaiian Cement
- **Mine:** [5100036](https://api.ai-analytics.org/mine/5100036)
## Narrative

While walking in the plant area, miner stepped on a rock, about 4"" round, and felt a strain and pop from left knee. Ground was wet and muddy at the time.

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