# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220213400016` · 12/01/2021 · Giant Cement Company
## 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:** Idle
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 2.62 years
## Operator
- **Controller:** Elementia Materiales
- **Operator:** Giant Cement Company
- **Mine:** [3800007](https://api.ai-analytics.org/mine/3800007)
## Narrative

The employee was working at the coal mill to change the position of a cam roller; when EE stopped to take a break, EE stepped onto a 17-ton shackle. When EE stepped on the shackle EE rolled left ankle, causing a sprain.

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