# SLIP OR FALL OF PERSON
> MSHA accident `220051430012` · 04/18/2005 · Lafarge North America
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Crane operator, Mobile equipment operator (MEO), Dragline operator, Dropball operator, Rigger
- **Activity:** Crawling, Kneeling
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 18.15 years
## Operator
- **Controller:** Lafarge S A
- **Operator:** Lafarge North America
- **Mine:** [2000044](https://api.ai-analytics.org/mine/2000044)
## Narrative

While crawling on top of drill derrick to grease drill, employee slipped on drill deck and twisted left knee.  Employee did not seek medical attention at that time.  He later sought medical attention and received physical therapy. Employee did not lose any time from work.

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