# HANDTOOLS (NONPOWERED)
> MSHA accident `220111800047` · 06/22/2011 · Martin Marietta Materials Inc.
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** CROWBAR,PRY BAR
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 1
- **Mine experience:** 5.23 years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials Inc.
- **Mine:** [2500006](https://api.ai-analytics.org/mine/2500006)
## Narrative

EE was changing screens in a 6' X 16' screen deck. He attempted to move the top screen using a bar inserted down through screen. When he pulled on the bar he felt a sharp a pain in his low back. he was diagnosed with a muscle strain.

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