Page 19 - INTRODUCTION OF NURSING 1.5 Ergonomic for Nurse
P. 19

ERGONOMIC PRINCIPLE










                4. A twisted                                                                               A twisted trunk strains the back




                            trunk




                            strains the




                            back                                                                           DESCRIPTION












                                                                                                           Twisted postures of the trunk cause

                                                                                                           undesirable stress to the spine
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