# SLIP OR FALL OF PERSON
> MSHA accident `220010820047` · 03/12/2001 · Unimin Minnesota Corporation
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Handling supplies or material
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 21.44 years
## Operator
- **Controller:** S C R-Sibelco Nv
- **Operator:** Unimin Minnesota Corporation
- **Mine:** [2100790](https://api.ai-analytics.org/mine/2100790)
## Narrative

WHILE PERFORMING MAINTENANCE ON A CONVEYER BELT ROLLER, EMPLOYEE SHIFTED HIS WEIGHT TO HIS RIGHT LEG AND SPRAINED HIS CALF MUSCLE.

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