# SLIP OR FALL OF PERSON
> MSHA accident `220102600010` · 06/22/2010 · Loudoun Quarries-Div/Chantilly Crushed Stone Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Hand tools (not powered)
- **Injury source:** HGHWY ORE CARIER,LRGE TRK
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 100
- **Mine experience:** 5.27 years
## Operator
- **Controller:** John  Gudelsky
- **Operator:** Loudoun Quarries-Div/Chantilly Crushed Stone Inc
- **Mine:** [4400071](https://api.ai-analytics.org/mine/4400071)
## Narrative

Employee was pulling the torque wrench while standing on a set of stairs. As the employee was pulling, hit weight shifted causing the stairs to slide. The employee's knee twisted to the right and his body fell to the left. His leg went forward and hit the frame of the truck.

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