# HANDLING OF MATERIALS
> MSHA accident `220143010018` · 10/21/2014 · Sherwin Alumina Company, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.1 years
## Operator
- **Controller:** Sherwin Alumina LLC
- **Operator:** Sherwin Alumina Company, LLC
- **Mine:** [4100906](https://api.ai-analytics.org/mine/4100906)
## Narrative

Employee was coming down the stairs at the north end of 5 unit when he felt a pop on his right knee. During his evaluation, the employee mentioned he had felt the same pop on his right knee last Saturday 10/18/2014 while climbing the same set of stairs, he stated that he continued to work even though his knee was hurting him.  Knee strain- aggravation of pre-existing condition.

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