# SLIP OR FALL OF PERSON
> MSHA accident `220161550007` · 05/20/2016 · Trapper Mining Inc
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Greaser, Grease man, Oiler, Lube man, Dragline oiler
- **Activity:** Move power cable
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 1.5 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

Employee moving dragline cable stepped into a dragline shoe track and EE's left knee buckled. Pain and swelling developed over the remainder of EE's shift and persisted over the weekend. Employee referred to doctor on 5/23 for evaluation. MRI completed 6/2.

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