# STEPPING OR KNEELING ON OBJECT
> MSHA accident `220011520011` · 05/21/2001 · Huachuca Concrete Inc
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** STEPPING OR KNEELING ON OBJECT
- **Accident type:** Struck against stationary object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Enter/work in bins, Silos
- **Injury source:** BLDG,STRUCT,BOAT,RAFT,NEC
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 4
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Abelardo  De Anda
- **Operator:** Huachuca Concrete Inc
- **Mine:** [0202455](https://api.ai-analytics.org/mine/0202455)
## Narrative

EMPLOYEE WAS OPENING TRAILER DOOR TO GET PARTS. HE WAS TOLD THE DOOR SOMETIMES STICKS. HE WAS ON THE BOTTOM STEP, GAVE THE DOOR A HARD YANK AND LOST HIS BALANCE. HE FELL FORWARD, STRIKING HIS LEFT SHOULDER ON THE BOTTOM EDGE OF THE DOOR OPENING.

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