# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220213430014` · 11/30/2021 · United States Gypsum Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Getting on or off equipment
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ANKLE
- **Days lost:** 21
- **Mine experience:** 6.38 years
## Operator
- **Controller:** USG Corporation
- **Operator:** United States Gypsum Company
- **Mine:** [3400266](https://api.ai-analytics.org/mine/3400266)
## Narrative

Operator of the EX1200 Excavator was dismounting machine when the operator stepped on a rock on the ground, rolling left ankle.  The ankle was determined to be dislocated and fractured.

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