Activation of respiratory muscles during respiratory muscle training

被引：24
|
作者：
Waherspacher, Stephan [1 ,2 ]
Pietsch, Fabian [3 ]
Walker, David Johannes [1 ,2 ]
Roecker, Kai [4 ,5 ]
Kabitz, Hans-Joachim [1 ]
机构：
[1] Acad Teaching Hosp Konstanz, Dept Pneumol Cardiol & Intens Care Med, Luisenstr 7, D-78464 Constance, Germany
[2] Univ Witten Herdecke, Dept Pneumol & Internal Med, Alfred Herrhausen Str 50, D-58448 Witten, Germany
[3] Hosp Buchholz & Winsen, Dept Internal Med, Steinbecker Str 44, D-21244 Buchholz, Germany
[4] Univ Hosp Freiburg, Dept Rehabil & Sports Med, Hugstetterstr 55, D-79106 Freiburg, Germany
[5] Furtwangen Univ, Dept Appl Publ Hlth AGW, Robert Gerwig Pl 1, D-78120 Furtwangen, Germany
来源：
RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY | 2018年 / 247卷
关键词：
OBSTRUCTIVE PULMONARY-DISEASE; NONINVASIVE EMG TECHNIQUE; HEALTHY; DIAPHRAGM; STRENGTH; RECRUITMENT; PERFORMANCE; HYPERPNEA; IMPACT; DRIVE;
D O I：
10.1016/j.resp.2017.10.004
中图分类号：
Q4 [生理学];
学科分类号：
071003 ;
摘要：
It is unknown which respiratory muscles are mainly activated by respiratory muscle training. This study evaluated Inspiratory Pressure Threshold Loading (IPTL), Inspiratory Flow Resistive Loading (IFRL) and Voluntary Isocapnic Hyperpnea (VIH) with regard to electromyographic (EMG) activation of the sternocleidomastoid muscle (SCM), parasternal muscles (PARA) and the diaphragm (DIA) in randomized order. Surface EMG were analyzed at the end of each training session and normalized using the peak EMG recorded during maximum inspiratory maneuvers (Sniff nasal pressure: SnPna, maximal inspiratory mouth occlusion pressure: Plmax). 41 healthy participants were included. Maximal activation was achieved for SCM by SnPna; the Plmax activated predominantly PARA and DIA. Activations of SCM and PARA were higher in IPTL and VIH than. for IFRL (p < 0.05). DIA was higher applying IPTL compared to IFRL or VIII (p < 0.05). IPTL, IFRL and VIH differ in activation of inspiratory respiratory muscles. Whereas all methods mainly stimulate accessory respiratory muscles, diaphragm activation was predominant in IPTL.
引用
收藏
页码：126 / 132
页数：7
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