# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220082880040` · 10/10/2008 · Highway Materials Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Move non-self-propelled equip
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 7.85 years
## Operator
- **Controller:** Peter DePaul Irrevocable Combined Trust
- **Operator:** Highway Materials Inc
- **Mine:** [3603138](https://api.ai-analytics.org/mine/3603138)
## Narrative

Employee was moving a pump in the quarry when he stepped on a rock hidden under muddy surface. Turned right ankle causing a sprain. Was evaluated and received modified duty.

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