Changes in Low Back Muscle Activity and Spine Kinematics in Response to Smartphone Use During Walking
| Autor: | Eunjee Kim, Misol Kim, Seobin Choi, Gwanseob Shin |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Adult
Male medicine.medical_specialty Posture Paraspinal Muscles Walking Kinematics Young Adult 03 medical and health sciences 0302 clinical medicine Physical medicine and rehabilitation Lumbar medicine Erector spinae muscles Humans Orthopedics and Sports Medicine Kyphosis Muscle activity Treadmill Low back Text Messaging 030222 orthopedics Electromyography business.industry Spine Biomechanical Phenomena Female Smartphone Neurology (clinical) Laboratory experiment Lumbar lordosis business human activities 030217 neurology & neurosurgery |
| Zdroj: | Spine. 46:E426-E432 |
| ISSN: | 1528-1159 0362-2436 |
| DOI: | 10.1097/brs.0000000000003808 |
| Popis: | STUDY DESIGN Within-subject design of an experimental study. OBJECTIVE The aim of this study was to determine the effects of smartphone use on the activity level of the lumbar erector spinae muscles and spine kinematics during walking. SUMMARY OF BACKGROUND DATA Using a smartphone while walking makes the user hold the phone steady and look downward to interact with the phone. Walking with this non-natural posture of the head and the arms may alter the spine kinematics and increase the muscular load on the low back extensor muscles. METHODS Twenty healthy young individuals participated in the laboratory experiment. Each participant walked on a treadmill in five different conditions: normal walking without using a phone, conducting one-handed browsing while walking, two-handed texting while walking, walking with one arm bound, and walking with both arms bound. Spine kinematics variables and the myoelectric activity levels of the lumbar erector spinae muscles were quantified and compared between the five walking conditions. RESULTS Participants walked with significantly (P |
| Databáze: | OpenAIRE |
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