# SLIP OR FALL OF PERSON
> MSHA accident `220121350020` · 02/21/2012 · Sherwin Alumina Company, LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Warehouseman, Bagger, Palletizer/Stacker, Store keeper, Packager, Fabricator, Cleaning plant operator
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 21.77 years
## Operator
- **Controller:** Sherwin Alumina LLC
- **Operator:** Sherwin Alumina Company, LLC
- **Mine:** [4100906](https://api.ai-analytics.org/mine/4100906)
## Narrative

EE was descending process area steps when his left boot heel/sole detached from his work boot, causing EE to twist his left knee.  EE was seen at mine site medical facility and was released to return to work without restrictions. On 04/30/12, the mine operator received a document from EEs doctor taking EE off work from 04/30/12 to 07/01/12.

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