# HANDLING OF MATERIALS
> MSHA accident `220120370083` · 01/29/2012 · Homestake Mining Company Of California
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion in lifting objects
- **Occupation:** Drill helper
- **Activity:** Handling supplies or material
- **Injury source:** BLOCKING
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 0.31 years
## Operator
- **Controller:** Barrick Gold Corp
- **Operator:** Homestake Mining Company Of California
- **Mine:** [2602307](https://api.ai-analytics.org/mine/2602307)
## Narrative

While getting the rig ready to move, the drill assistant was removing the blocks from under the jacks.  When he went to pick up the block, he felt something pop in his lower back.

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