Postural-respiratory function of the diaphragm assessed by M-mode ultrasonography.

ABSTRACT:

Objectives

The diaphragm changes position and respiratory excursions during postural loading. However, it is unclear how it reacts to lifting a load while breath-holding or breathing with simultaneous voluntary contraction of the abdominal muscles (VCAM). This study analyzed diaphragm motion in healthy individuals during various postural-respiratory situations.

Methods

31 healthy participants underwent examination of the diaphragm using M-mode ultrasonography, spirometry, and abdominal wall tension (AWT) measurements. All recordings were performed simultaneously during three consecutive scenarios, i.e., 1. Lifting a load without breathing; 2. Lifting a load and breathing naturally; 3. Lifting a load and breathing with simultaneous VCAM.

Results

Using paired-samples t-

SUBMITTER: Sembera M 

PROVIDER: S-EPMC9550028 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature