# SLIP OR FALL OF PERSON
> MSHA accident `220130090021` · 12/31/2012 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 65
- **Mine experience:** 38.37 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3300156](https://api.ai-analytics.org/mine/3300156)
## Narrative

Lime Loader was coming back down the East Lime L/O Decline conveyor walkway and stepped down with his right foot at the Sampler area stairway when his rt. knee suddenly gave out. Continued working and got medical attention later that day and is working restricted duty presently since 1/1/2013.

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