# SLIP OR FALL OF PERSON
> MSHA accident `220112790039` · 07/22/2011 · Maple Coal Co., LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Roof bolter, NEC
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 28
- **Mine experience:** 1 years
## Operator
- **Controller:** Walter Energy Incorporated
- **Operator:** Maple Coal Co., LLC
- **Mine:** [4604236](https://api.ai-analytics.org/mine/4604236)
## Narrative

Employee was roof bolting and had steel hung in hole and while pulling on steel to free it, he took a quick step back and hyper extended his left knee. Employee was examined & returned to specialist but could not be treated until after a heart cath had been performed due to other health issues and therefore missed days have begun to accrue on 9/26/11.

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