# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220090850010` · 03/18/2009 · Trinity Materials, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** SAND,GRAVEL,SHELL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.33 years
## Operator
- **Controller:** Trinity Industries Inc
- **Operator:** Trinity Materials, Inc.
- **Mine:** [4104567](https://api.ai-analytics.org/mine/4104567)
## Narrative

Employee stepped off plant staircase onto concrete pad, while stepping off the concrete pad, employee stepped onto gravel and twisted his left ankle.  Employee was examined by doctor and was released to restricted duty.

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