# SLIP OR FALL OF PERSON
> MSHA accident `220072210019` · 08/07/2007 · Hanson Material Service
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 6.69 years
## Operator
- **Controller:** Hanson PLC
- **Operator:** Hanson Material Service
- **Mine:** [1100070](https://api.ai-analytics.org/mine/1100070)
## Narrative

The employee was assigned the task of greasing rollers in Building 7.  As the employee was walking he twisted his knee.

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