Effects of breathing maneuver and sitting posture on muscle activity in inspiratory accessory muscles in patients with chronic obstructive pulmonary disease

被引：22

作者：

Kim, Ki-song ^{[2
]}

Byun, Min-kwang ^{[3
]}

Lee, Won-hwee ^{[4
]}

Cynn, Heon-seock ^{[1
]}

Kwon, Oh-yun ^{[1
]}

Yi, Chung-hwi ^{[1
]}

机构：

[1] Yonsei Univ, Inst Hlth Sci, Coll Hlth Sci, Dept Phys Therapy, Wonju 220710, Gangwon Do, South Korea

[2] Yonsei Univ, Grad Sch, Dept Phys Therapy, Wonju 220710, Gangwon Do, South Korea

[3] Yonsei Univ, Coll Med, Gangnam Severance Hosp, Div Pulm Med,Dept Internal Med,Yonsei Univ Hlth S, Seoul 135720, South Korea

[4] Vis Univ, Coll Jeonju, Dept Phys Therapy, Jeonju Si 560760, South Korea

来源：

MULTIDISCIPLINARY RESPIRATORY MEDICINE | 2012年 / 7卷

关键词：

Forward-leaning position; Inspiratory accessory muscles; Pursed-lips breathing; Quiet natural breathing; Sitting postures; COPD; EXERCISE; CAPACITY; DYSPNEA; FLOW; PATTERNS; REST;

D O I：

10.1186/2049-6958-7-9

中图分类号：

R56 [呼吸系及胸部疾病];

学科分类号：

摘要：

Background: To determine the influence of breathing maneuver and sitting posture on tidal volume (TV), respiratory rate (RR), and muscle activity of the inspiratory accessory muscles in patients with chronic obstructive pulmonary disease (COPD). Methods: Twelve men with COPD participated in the study. Inductive respiratory plethysmography and surface electromyography were used to simultaneously measure TV, RR, and muscle activity of the inspiratory accessory muscles [the scalenus (SM), sternocleidomastoid (SCM), and pectoralis major (PM) muscles] during quiet natural breathing (QB) and pursed-lips breathing (PLB) in three sitting postures: neutral position (NP), with armm support (WAS), and with arm and head support (WAHS). Results: Two-way repeated-measures analysis of variance was employed. In a comparison of breathing patterns, PLB significantly increased TV and decreased RR compared to QB. Muscle activity in the SM and SCM increased significantly in PLB compared to QB. In a comparison of sitting postures, the muscle activity of the SM, SCM, and PM increased in the forward-leaning position. Conclusions: The results suggest that in COPD, PLB induced a favorable breathing pattern (increased TV and reduced RR) compared to QB. Additionally, WAS and WAHS positions increased muscle activity of the inspiratory accessory muscles during inspiration versus NP. Differential involvement of accessory respiratory muscles can be readily studied in COPD patients, allowing monitoring of respiratory load during pulmonary rehabilitation.

引用

页数：6

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