# SLIP OR FALL OF PERSON
> MSHA accident `220212700030` · 10/01/2018 · Knight Hawk Coal, LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Escaping a hazard
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 129
- **Mine experience:** 7 years
## Operator
- **Controller:** Arch Coal Inc.; Franklin D.  Robertson; James O.  Bunn
- **Operator:** Knight Hawk Coal, LLC
- **Mine:** [1103147](https://api.ai-analytics.org/mine/1103147)
## Narrative

I.E. was bolting when a piece of shale fell from the roof.  The I.E. saw it coming and twisted to get away from the rock.  While twisting to get away they fell into the side of the bolter and felt a pop in their lower back.  Comp deemed this injury as pre-existing, reporting due to lack of evidence to support.

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