# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220081050037` · 04/05/2008 · Capitol Aggregates, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Pumper
- **Activity:** Handling supplies or material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Zachry Corporation
- **Operator:** Capitol Aggregates, Inc.
- **Mine:** [4101162](https://api.ai-analytics.org/mine/4101162)
## Narrative

IP was in the plant area working on the VSI crushers.  IP went to retrieve a tool from a welding truck. IP reports that he stepped on a rock of unknown size.  IP did not see the rock.  IP reports that his knee popped.  IP was diagnosed with a strained left knee and placed on light duty.

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