# SLIP OR FALL OF PERSON
> MSHA accident `220131540028` · 03/17/2013 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Climb scaffolds, Ladders
- **Injury source:** LADDERS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.08 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3401905](https://api.ai-analytics.org/mine/3401905)
## Narrative

Climbing down ladder from top deck station #3, when knee twisted & popped. Employee was done with work on the top deck Station #3, as he went to the ladder to get down he turned sideways to get into the ladder and popped his left knee.  This first aid incident did not reveal to require surgery until May.

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