Inspiratory muscle strength, diaphragmatic mobility, and body composition in chronic obstructive pulmonary disease

2019 ◽  
Vol 24 (2) ◽  
pp. e1766 ◽  
Author(s):  
Rosália M.P. Souza ◽  
Adriane B. Cardim ◽  
Tuíra O. Maia ◽  
Lívia G. Rocha ◽  
Shirley D. Bezerra ◽  
...  
Keyword(s):  
Chronic Obstructive Pulmonary Disease ◽  
Body Composition ◽  
Muscle Strength ◽  
Pulmonary Disease ◽  
Inspiratory Muscle ◽  
Chronic Obstructive ◽  
Obstructive Pulmonary Disease ◽  
Inspiratory Muscle Strength

Inspiratory muscle strength in chronic obstructive pulmonary disease depending on disease severity

2007 ◽  
Vol 113 (5) ◽  
pp. 243-249 ◽  
Author(s):  
Hans-Joachim Kabitz ◽  
Stephan Walterspacher ◽  
David Walker ◽  
Wolfram Windisch
Keyword(s):  
Chronic Obstructive Pulmonary Disease ◽  
Muscle Strength ◽  
Pulmonary Disease ◽  
Disease Severity ◽  
Inspiratory Muscle ◽  
Walking Distance ◽  
Chronic Obstructive ◽  
Obstructive Pulmonary Disease ◽  
Copd Patients ◽  
Inspiratory Muscle Strength

Staging criteria for COPD (chronic obstructive pulmonary disease) include symptoms and lung function parameters, but the role of reduced inspiratory muscle strength related to disease severity remains unclear. Therefore the present study tested whether inspiratory muscle strength is reduced in COPD and is related to disease severity according to GOLD (Global Initiative for Chronic Obstructive Lung Disease) criteria and assessed its clinical impact. PImax (maximal inspiratory mouth occlusion pressure), SnPna (sniff nasal pressure) and TwPmo (twitch mouth pressure) following bilateral anterior magnetic phrenic nerve stimulation were assessed in 33 COPD patients (8 GOLD0, 6 GOLDI, 6 GOLDII, 7 GOLDIII and 6 GOLDIV) and in 28 matched controls. Furthermore, all participants performed a standardized 6 min walking test. In comparison with controls, PImax (11.6±2.5 compared with 7.3±3.0 kPa; P<0.001), SnPna (9.7±2.5 compared with 6.9±3.3 kPa; P<0.001) and TwPmo (1.6±0.6 compared with 0.8±0.4 kPa; P<0.001) were markedly lower in COPD patients. TwPmo decreased with increasing COPD stage. TwPmo was correlated with walking distance (r=0.75; P<0.001), dyspnoea (r=−0.61; P<0.001) and blood gas values following exercise (r>0.57; P<0.001). Inspiratory muscle strength, as reliably assessed by TwPmo, decreased with increasing severity of COPD and should be considered as an important factor in rating disease severity and to reflect burden in COPD.

scholarly journals Sternocleidomastoid muscle activation following inspiratory muscle training in patients with chronic obstructive pulmonary disease: a randomized clinical trial

2020 ◽  
Vol 27 (2) ◽  
pp. 133-139
Author(s):  
Diogo Fanfa Bordin ◽  
Dannuey Machado Cardoso ◽  
Litiele Evelin Wagner ◽  
Paula Regina Beckenkamp ◽  
Andrea Lúcia Gonçalves da Silva ◽  
...  
Keyword(s):  
Chronic Obstructive Pulmonary Disease ◽  
Muscle Strength ◽  
Pulmonary Disease ◽  
Inspiratory Muscle ◽  
Control Group ◽  
Chronic Obstructive ◽  
Electromyographic Activity ◽  
Muscle Training ◽  
Obstructive Pulmonary Disease ◽  
Inspiratory Muscle Strength

ABSTRACT This study aims to assess the effect of short-time low frequency inspiratory muscle trainer (Threshold IMT) on inspiratory muscle strength and electromyographic activity of the sternocleidomastoid (SCM) muscle in people with chronic obstructive pulmonary disease (COPD). People with COPD participating in a lung rehabilitation program were allocated to a control or inspiratory muscle training (IMT) group. The control group participated in the usual rehabilitation, whereas the other group received IMT (performed with a load of 50% maximal inspiratory pressure (MIP) adjusted weekly). Both interventions lasted for 2 months. Outcomes included electromyographic analysis of the SCM and MIP. In total, ten participants were allocated to each group. The IMT group presented an increase in absolute (p<0.001) and predicted (p<0.001) values of MIP and also in pre- and post-intervention variation between groups (p=0.003 and p=0.008, respectively). Such differences were not found in the control group. The SCM muscle activity decreased in the IMT post intragroup evaluation (p=0.008). IMT provided a reduction of the electromyographic activity of SCM in COPD patients, also increasing inspiratory muscle strength in the study participants.

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