Inhale when the chest is enlarged, such as pulling down from a height, rowing in a sitting position, and the falling process of dumbbell birds.

When your chest contracts, you exhale, as a dumbbell bird does.

Actions that have no effect on the chest, such as two heads and three heads, exhale when you exert yourself.

Actions that affect your abdominal cavity, such as squatting and rolling your abdomen, hold your breath when you exert yourself, exhale when you exert yourself, and inhale when you fall back.

The complete guide to equipment fitness is a guide for beginners of fitness crowd to help them correctly understand the functions and functions of equipment. Help them choose the right equipment to use in practice, so as to achieve the perfect combination effect.