# HANDLING OF MATERIALS
> MSHA accident `220210750007` · 03/09/2021 · Diamond K Gypsum Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Handling supplies or material
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.15 years
## Operator
- **Controller:** Karen  Palmer
- **Operator:** Diamond K Gypsum Inc
- **Mine:** [4202077](https://api.ai-analytics.org/mine/4202077)
## Narrative

Employee was standing on a step, stacking pallets on a palletizer. The last pallet was placed on the machine crooked. While using bodily force to free the pallet, they stepped back off the step feeling a knee pop causing them to fall to the ground. As they stood back to their feet, they felt the knee pop again.

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