Earticle

초록

영어

Postural changes induce changes in chest wall kinematics and eventu-ally pulmonary function, and affect chest wall shape and chest motion. This study aimed to examine the effects of postural change on changes in the chest wall during respiratory muscle training. Using a repeated measures design, this study followed 13 healthy adults (13 men; mean age, 23.73 years). All participants performed four postures (neutral, full trunk rotation, half-range trunk rotation, and lateral ribcage shift pos-tures) during respiratory muscle training. The chest wall movement during the four postures was measured using a three-dimensional mo-tion-analysis system during respiratory muscle training. Surface elec-tromyography data were collected from the diaphragm and sternoclei-domastoid muscles, and the asymmetric ratio of muscle activation was calculated based on the collected data. The chest wall movements of the upper costal and middle costal region were greater in the neutral posture than in the full rotation, half rotation, and lateral ribcage shift postures (P<0.05). The respiratory muscle activation on diaphragm of left was greater in the full rotation posture than in the neutral posture, half rotation, and lateral ribcage shift postures (P<0.05). The asymmet-ric ratio of muscle activation was greater in the full rotation posture than in the neutral posture, half rotation, and lateral ribcage shift pos-tures (P<0.05). This study verified that postural change during respira-tory muscle training may affect chest wall movement and muscle acti-vation. Thus, this study recommends respiratory muscle training to be performed in neutral posture.

목차

Abstract
 INTRODUCTION
 MATERIALS AND METHODS
  Participants
  Procedure
  Inspiratory muscle loading
  Chest wall movement
  Electromyographic analysis of the diaphragm and sternocleidomastoid
  Statistical analysis
 RESULTS
 DISCUSSION
 CONFLICT OF INTEREST
 REFERENCES

키워드

저자

• Ju-Hyeon Jung [ Department of Physical Therapy, Gimhae College, Gimhae, Korea ]
• Nan-Soo Kim [ Department of Physical Therapy, College of Health Sciences, Catholic University of Pusan, Busan, Korea ] Corresponding author

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  JER [Journal of Exercise Rehabilitation]

• 간기

  격월간

• pISSN

  2288-176X

• eISSN

  2288-1778

• 수록기간

  2013~2026

• 등재여부

  SCOPUS,KCI 등재

• 십진분류

  KDC 517 DDC 613