# HANDLING OF MATERIALS
> MSHA accident `220040990003` · 03/25/2004 · Northshore Mining Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck against stationary object
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Getting on or off equipment
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 90
- **Mine experience:** 8 years
## Operator
- **Controller:** Cliffs Minnesota Minerals Company
- **Operator:** Northshore Mining Company
- **Mine:** [2100209](https://api.ai-analytics.org/mine/2100209)
## Narrative

Employee was climbing down ladder of loader when his right foot slipped on rung of ladder, hitting his right knee against the ladder and knocking his knee out of joint. Now the knee continues to pop out of joint without warning.

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