# HANDLING OF MATERIALS
> MSHA accident `220180360015` · 02/01/2018 · Northshore Mining Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Fireman - locomotive, Railroad clam operator, Timekeeper, Yard engine operator
- **Activity:** Inspect equipment or mine
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** UPPER ARM/HUMERUS
- **Days lost:** 41
- **Mine experience:** 20.17 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Northshore Mining Company
- **Mine:** [2100209](https://api.ai-analytics.org/mine/2100209)
## Narrative

Mine RR ops employee was changing oxygen cylinder within a cabinet. Upon removing the cap ee noted ee needed to rotate the cylinder to line up the nozzle with the regulator. While turning the cylinder employee felt a pop in left bicep. Was diagnosed with a ruptured left distal bicep tendon. 

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