# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220102630002` · 09/10/2010 · Three Rivers Aggregates LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** LOWER EXTREMITIES, MULTIPLE PARTS
- **Days lost:** 0
- **Mine experience:** 0.38 years
## Operator
- **Controller:** Lindy Paving Incorporated; Sweet Water Quarries LLC
- **Operator:** Three Rivers Aggregates LLC
- **Mine:** [3607431](https://api.ai-analytics.org/mine/3607431)
## Narrative

The employee had just finished filling the water truck with water and was in the process of disconnecting the water hose from the truck.  He took a step back and stepped on a #4 size rock.  This caused him to lose his footing, resulting in a sprained Right ankle and knee.

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