# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220181490007` · 05/11/2018 · Bluegrass Materials Company, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR 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:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** JOINT,TENDON,MUSCL INFLAM
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 21.23 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Bluegrass Materials Company, LLC
- **Mine:** [1800745](https://api.ai-analytics.org/mine/1800745)
## Narrative

Employee was cleaning off a catwalk with a hose, and knelt on the catwalk, with EE's left knee resting on a approximately 3/4"" size stone. This resulted in swelling, which was later diagnosed as bursitis.

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