# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220090440055` · 06/04/2008 · Ash Grove Cement Company
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Over-exertion NEC
- **Occupation:** Rodman, Surveyor/Transit helper
- **Activity:** Walking, Running
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 0.52 years
## Operator
- **Controller:** Ash Grove Cement Company
- **Operator:** Ash Grove Cement Company
- **Mine:** [0300256](https://api.ai-analytics.org/mine/0300256)
## Narrative

Employee was walking on rebar mat with 1'x2' gapsin the rebar. Rebar is 4"" above corrogate decking. He took an awkward step in a groove which caused his foot to slip on the rebar. He felt a pop in left knee.

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