# SLIP OR FALL OF PERSON
> MSHA accident `220103500023` · 12/10/2010 · Hanson Aggregates Pacific Southwest Inc
## 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:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 8.35 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates Pacific Southwest Inc
- **Mine:** [0401790](https://api.ai-analytics.org/mine/0401790)
## Narrative

Slipped and tripped on soft, muddy ground, straining knee. Medical treatment obtained on Monday, 12/13/10, at which time work restrictions were given by doctor.

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