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Sung-Ja Koo

Researcher at Kyungnam University

Publications -  1
Citations -  119

Sung-Ja Koo is an academic researcher from Kyungnam University. The author has contributed to research in topics: Muscle fatigue & Electromyography. The author has an hindex of 1, co-authored 1 publications receiving 82 citations.

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Effect of duration of smartphone use on muscle fatigue and pain caused by forward head posture in adults

TL;DR: Pain and fatigue worsened with longer smartphone use, and correct posture and breaks of at least 20 minutes are recommend when using smartphones.