# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220171640013` · 06/11/2017 · Pioneer Sands LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Over-exertion NEC
- **Occupation:** Haul/Off road/Coal/Ore/Pit/Quarry/Rock/Rubber tire truck driver, Transportation truck driver
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 1
- **Mine experience:** 0.27 years
## Operator
- **Controller:** Pioneer Natural Resources USA Incorporated
- **Operator:** Pioneer Sands LLC
- **Mine:** [4101003](https://api.ai-analytics.org/mine/4101003)
## Narrative

Miner states their knee buckled at ~5:30am while dismounting CAT 775 haul truck at end of night shift on 06/11/2017.  Miner did not report the incident and went home.  Miner called their supervisor at ~4:30pm on 06/11/2017 to report the right knee was swollen.  Miner went to local ER diagnosed with knee strain.  Miner was released back to work with restriction 06/12/2017.

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