# SLIP OR FALL OF PERSON
> MSHA accident `220143490047` · 04/28/2014 · 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:** Electrician, Lineman
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 13
- **Mine experience:** 1.08 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3300156](https://api.ai-analytics.org/mine/3300156)
## Narrative

While coming down a set of stairs the employee says she heard a pop in her knee and felt pain. Initially this claim was ruled as non-work related and the employee did not allege a hazard. Since then the claim was accepted by worker's compensation and we are now reporting the claim.

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