# DISORDERS (REPEATED TRAUMA)
> MSHA accident `220092030009` · 03/20/2009 · Trapper Mining Inc
## Details
- **Degree of injury:** OCCUPATNAL ILLNESS NOT DEG 1-6
- **Classification:** DISORDERS (REPEATED TRAUMA)
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Crawling, Kneeling
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** JOINT,TENDON,MUSCL INFLAM
- **Body part:** KNEE/PATELLA
- **Days lost:** 22
- **Mine experience:** 7.5 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

On 3/20/09, EE reported left knee felt ""funny"" after crawling around under truck on knees.  Referred to orthopedic specialist and diagnosed with numerous degenerative conditions requiring arthroscopic treatment.  EE underwent surgery on 7/2/09.

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