# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220121730017` · 04/30/2012 · Teck Alaska Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Draftsman, Surveyor/Transit work supervisor
- **Activity:** Climb in piled material
- **Injury source:** BROKEN ROCK,COAL,ORE,WSTE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 45
- **Mine experience:** 5.15 years
## Operator
- **Controller:** Teck Resources Limited
- **Operator:** Teck Alaska Inc
- **Mine:** [5001545](https://api.ai-analytics.org/mine/5001545)
## Narrative

A rock under a employees foot shifted while attempting to locate a Crest Point Stake on a berm.  This caused the employee to lose balance and twist their knee.

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