A Study on the Reduction of Lumbar Stress and Muscle Fatigue in Baby Carriers

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  • 乳幼児用抱っこ紐における腰部への負担と筋疲労の軽減に関する検討

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<p>Wearing a traditional baby carrier while doing chores or traveling is a physical burden to mothers causing stiff shoulders and back pain in addition to the emotional stress of childcare. A less burdensome baby carrier allowing a mother to carry a baby for longer periods of time is proposed. We investigated physical gait and subjective fatigue before and after 30 min of exercise while wearing novel baby carrier support straps to the left and right lumbar vertebrae, tightened lumbar belt, and shoulder straps. We found lower subjective fatigue, less vertical movement of the head and trunk during walking, and improved pelvic tilt. This may be attributed to the innovations in the new swaddling straps, which allow the child to maintain a stable position while wearing them, consequently reducing fatigue.</p>

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