# STRIKING OR BUMPING
> MSHA accident `220173390013` · 12/01/2017 · Rockwell Mining LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** STRIKING OR BUMPING
- **Accident type:** Over-exertion NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 87
- **Mine experience:** 0.02 years
## Operator
- **Controller:** Blackhawk Mining LLC
- **Operator:** Rockwell Mining LLC
- **Mine:** [4609377](https://api.ai-analytics.org/mine/4609377)
## Narrative

Employee was climbing onto dozer when their left knee gave way causing them to strike their knee on the track resulting in a sprain/strain injury and lost work days.

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