# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220092050023` · 07/01/2009 · Trapper Mining Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **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:** MULTIPLE INJURIES
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.75 years
## Operator
- **Controller:** Salt River Project; MidAmerican Energy Holdings Company; Tri-State Gener
- **Operator:** Trapper Mining Inc
- **Mine:** [0502838](https://api.ai-analytics.org/mine/0502838)
## Narrative

EE knelt down on a rock with left knee.  Worsening pain and stiffness in knee developed over next few days.  EE reported injury and was referred to physician on 07/06/09.  Work restrictions limiting activity were imposed by treating physician.

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