# HANDLING OF MATERIALS
> MSHA accident `220020220123` · 01/14/2002 · 3M Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 6.21 years
## Operator
- **Controller:** Minnesota Mining & Manufacturing Company
- **Operator:** 3M Company
- **Mine:** [0400191](https://api.ai-analytics.org/mine/0400191)
## Narrative

DURING THE PROCESS OF MAKING PREHEATER ADJUSTMENTS, THE EMPLOYEE WAS WALKING DOWN AND UP STAIRS. DENIES ANY TRAUMA, STATING THAT FELT A PAIN IN LEFT KNEE WHILE RETURNING UP STAIRS. UPON INSPEC TION OF KNEE, DISCOVERED SWELLING 2 CM X 3CM ON LOWER MEDIAL ASPECT OF KNEE. NO DISCOMFORT STANDING OR WALKING, ONLY WHEN BENDING DX AS STRAIN.

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