# HANDLING OF MATERIALS
> MSHA accident `220131280012` · 05/04/2013 · United States Gypsum Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Getting on or off equipment
- **Injury source:** NONPOWRD VECH-DOLI,WHLBRW
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 32.02 years
## Operator
- **Controller:** USG Corporation
- **Operator:** United States Gypsum Company
- **Mine:** [3400266](https://api.morvs.ai/mine/3400266)
## Narrative

Employee was stepping onto a trailer for servicing equipment when he heard his knee ""pop"".

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