Необходимость постоянно сохранять р

Необходимость постоянно сохранять ровное положение тела во время выполнения упражнений, так как вызывает усиление мышц торса. Сохранение ровного положения тела во время передвижения в воде требует силы.

Результаты (английский) 1:

The need to constantly maintain a steady position of the body during exercise because it causes strengthening of muscles of the torso. Saving even the position of the body during movement in the water requires manpower.

Результаты (английский) 2:

The need to constantly maintain an even body position during exercise, as is strengthening of the muscles of the torso. Saving smooth body position while moving in the water requires strength.

Результаты (английский) 3:

the need to constantly maintain the level position of the body during exercise, so as to strengthen muscles of the torso. the level of the body during movement in the water requires power.