# STRIKING OR BUMPING
> MSHA accident `220171390002` · 05/10/2017 · Wolf Run Mining LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STRIKING OR BUMPING
- **Accident type:** Struck against stationary object
- **Occupation:** Examiner, Fire boss, Pre-shift examiner, Mine examiner
- **Activity:** Escaping a hazard
- **Injury source:** CRIBBING
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** NECK
- **Days lost:** 0
- **Mine experience:** 9 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Wolf Run Mining LLC
- **Mine:** [4604168](https://api.ai-analytics.org/mine/4604168)
## Narrative

The principal injured was walking the return air course in Sulfur Mains when they heard the mine roof give a break away from them. Their reaction to ""run"" resulted in them striking their head (hard hat) on a crib resulting in pain in their neck. They continued to work until 5-17-17.

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