# SLIP OR FALL OF PERSON
> MSHA accident `220101520021` · 12/07/2009 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall down stairs
- **Occupation:** Superintendent
- **Activity:** Walking, Running
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 12
- **Mine experience:** 13 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [4103360](https://api.ai-analytics.org/mine/4103360)
## Narrative

Employee was walking down a flight of stairs (outdoors) on a catwalk when he felt a sharp pain behind his L knee.  Was provided first aid and returned to work on the date of the incident. Since has had trouble and was eventually scheduled for surgery on May 14, 2010. After medical review over the last six months, the meniscus tear has been accepted as a workplace injury.

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