# HANDLING OF MATERIALS
> MSHA accident `220111040011` · 03/17/2011 · Buzzi Unicem USA
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Mechanic helper
- **Activity:** Handling supplies or material
- **Injury source:** CHAIN HOIST, CHAIN BLOCK
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 5
- **Mine experience:** 7.77 years
## Operator
- **Controller:** Buzzi S p A
- **Operator:** Buzzi Unicem USA
- **Mine:** [3401289](https://api.ai-analytics.org/mine/3401289)
## Narrative

Employee was carrying a 5 ton chain hoist (approximately 50 pounds)downstairs. He was not using the handrail and was stepping in a sideways motion to ""baby"" his left knee that was injured previously. Initial doctor visit and x -ray on 3/17/11. Follow up and referral to second doctor on 3/28/11. MRI results on 4/12/11 of a tear in the acl.

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