另类zoofilia杂交videos,色,偷拍,欧洲,久久网,av一本久道久久波多野结衣,秒播无码国产在线观看,亚洲中文字幕无码一区在线,AV无码久久久久不卡免费网站,成全视频动漫免费高清,婷婷开心色四房播播,国产成人精品午夜福利在线播放,脱了老师内裤猛烈进入的软件

  Hexagon barbell bar is mainly used for fitness exercise, the general weight is about 20 kg. Like a normal lever, it can add different weights of barbell pieces at each end.

  The hexagonal barbell bar has a hexagon in the middle with grips on both sides. In use, the user stands in the middle of the hexagon and holds both sides of the grip with both hands, which is suitable for hard pull training. Helps to exercise the body shape, increases the strength.

  Compared with traditional barbells, hexagonal barbells are very suitable for beginners or people with insufficient physical activity. When the hexagonal barbell is squatting, the barbell and the users center of gravity are overlapped, so the flexibility of the body is not required, and the difficulty of the movement is relatively low. In addition, the use of hexagonal barbells on all parts of the body pressure is relatively uniform, more safe.