# HANDTOOLS (NONPOWERED)
> MSHA accident `220070930029` · 03/28/2007 · Hanson Aggregates Pacific Southwest Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** AXE,HAMMER,SLEDGE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** BACK (MUSCLES/SPINE/S-CORD/TAILBONE)
- **Days lost:** 0
- **Mine experience:** 6.31 years
## Operator
- **Controller:** Hanson PLC
- **Operator:** Hanson Aggregates Pacific Southwest Inc
- **Mine:** [0404894](https://api.ai-analytics.org/mine/0404894)
## Narrative

The employee began to notice pain in his low back after using a 16 lb hammer to install a head bolt of a crusher.  As the pain began to intensify the employee requested medical intervention for the low back pain.

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