# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220230250053` · 01/17/2023 · Climax Molybdenum Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Walking, Running
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 0.33 years
## Operator
- **Controller:** Freeport-McMoRan Inc
- **Operator:** Climax Molybdenum Company
- **Mine:** [0500790](https://api.ai-analytics.org/mine/0500790)
## Narrative

Employee was helping with repair bolting at Henderson Mine. Employee was walking and stepped on a rock approximately 3""w x 3""L x 1 1/2"" H causing EE's left ankle to roll. The employee was wearing pull on steel toed muck boots. The area had roughly 1 inch of water in the area. Minimal trip hazards were noted during investigation. Employee suffered a sprain to their left ankle.

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