# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220122290017` · 08/13/2012 · Westmoreland San Juan Mining LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** BOILR,PRES VSL,AIR HOS,OX
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** ANKLE
- **Days lost:** 0
- **Mine experience:** 12 years
## Operator
- **Controller:** BHP Billiton
- **Operator:** Westmoreland San Juan Mining LLC
- **Mine:** [2902170](https://api.ai-analytics.org/mine/2902170)
## Narrative

Employee was coming down from ladder his left boot hung up on lower step which caused a twisting action to left knee and pain. His leg buckled & he stepped on air hose rolling right ankle which popped. was release full duty 8-13-12 from Reliance Medical. 8-15-12 he reported that his knee was very painful, this time he was released to restricted duty.

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