# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220151530007` · 05/21/2015 · Lhoist North America of Arizona Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Machinist
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 9.08 years
## Operator
- **Controller:** Lhoist Group
- **Operator:** Lhoist North America of Arizona Inc.
- **Mine:** [0400156](https://api.ai-analytics.org/mine/0400156)
## Narrative

Employee was working to repair a screw conveyor. Due to the configuration of the area, employee had to climb in and out of the area and kneel during the repairs.  Employee was wearing knee pads, but they were worn and did not offer much protection.  Employee's right knee was sore and swollen at the end of the day.

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