# HANDLING OF MATERIALS
> MSHA accident `220171700024` · 04/06/2017 · Hanson Aggregates LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Move non-self-propelled equip
- **Injury source:** PUMPS,FANS,COMP,ENG,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 6.46 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Aggregates LLC
- **Mine:** [4103217](https://api.ai-analytics.org/mine/4103217)
## Narrative

on 04/06/2017, the EE in question reported that they had hyperextended their right knee while relocating a pump but continued working unaffected by the incident. It was later determined that the EE had torn the ACL and Meniscus of the right knee. EE reported to work on restricted duty on 06/08/2017 following corrective procedure on the knee.  

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