The stomach vacuum exercise involves breathing out air while sucking in the stomach to engage the core. It is an isometric exercise to strengthen the core muscles. The abdominal muscles, part of the ...
7don MSN
Work your deep core muscles with the 'stomach vacuum' exercise – here’s how to do it properly
The stomach vacuum primarily targets the transversus abdominis, the deepest muscle in the core, but that’s not all. ‘It also ...
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