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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Sang-Yong (Department of Physical Therapy, U1 University) Lee, Dae-Hee (Department of Physical Therapy, U1 University) Han, Seul-Ki (Department of Physical Therapy, U1 University)
저널정보
대한물리의학회 대한물리의학회지 대한물리의학회지 제11권 제3호
발행연도
2016.1
수록면
35 - 39 (5page)

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PURPOSE: The purpose of this study was to examine changes in the neck flexion angle according to posture while using a smartphone and the duration of smartphone usage. METHODS: The subjects in this study were 16 healthy young students in their 20s. The subjects wore a cervical range of motion instrument. They were instructed to use a smartphone while standing, sitting on a chair, and sitting on the floor. In all postures, they could use the smartphone and use their arms freely while keeping their back connected to the wall or the back of the chair. When sitting on the floor, they assumed a cross-legged position. The neck flexion angle was measured at zero, three, six, and nine minutes for each posture. RESULTS: Neck flexion is affected by the posture while using a smartphone (p<.05). Neck flexion in the standing position is larger than that in the sitting on the floor position. Neck flexion was affected by smartphone usage duration (p<.05). In general, as usage time increases, the neck flexion angle increases as well. CONCLUSION: This study suggests that using smartphone in the standing position and for a short period of time is a method to reduce the neck flexion angle.

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