# SLIP OR FALL OF PERSON
> MSHA accident `220222490013` · 08/25/2022 · Ash Grove Cement Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Master mechanic, Foreman, Supervisor
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 3.08 years
## Operator
- **Controller:** CRH PLC
- **Operator:** Ash Grove Cement Company
- **Mine:** [2500002](https://api.ai-analytics.org/mine/2500002)
## Narrative

EE exited elevator on top of truck silo when they stumbled. They did not fall, but stepped awkwardly and stressed their left knee. EE felt pain in left knee. Sprain to left knee, restricted duty until MRI can be performed.  

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