# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220161100017` · 03/09/2016 · Hanson Material Service
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Plumber, Pipefitter, Millwright
- **Activity:** Machine maintenance
- **Injury source:** CRIBBING
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 17
- **Mine experience:** 15.38 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Hanson Material Service
- **Mine:** [1100066](https://api.ai-analytics.org/mine/1100066)
## Narrative

A millwright has a complaint of pain to left knee. The injured states EE felt pain in left knee while stepping up approximately 20 inches onto some cribbing to disconnect rigging that was used to lift a crusher part. Physical Therapy has now been ordered for treatment of the knee sprain.

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