# SLIP OR FALL OF PERSON
> MSHA accident `220132190024` · 07/29/2013 · Pinnacle Mining Company LLC
## Details
- **Degree of injury:** ALL OTHER CASES (INCL 1ST AID)
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Bull gang foreman, Labor foreman, Leadman, Section foreman, Shift boss
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.31 years
## Operator
- **Controller:** Cleveland-Cliffs Inc
- **Operator:** Pinnacle Mining Company LLC
- **Mine:** [4601816](https://api.ai-analytics.org/mine/4601816)
## Narrative

Employee was filling a pumpable roof support crib while standing on the first step of a 3 foot step ladder.  When the employee finished filling the pumpable roof support crib he stepped from the first step of the ladder to the ground and hyper extended his left knee.

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