Dumbbells, tabi awọn iwuwo ọfẹ, jẹ iru awọn ẹrọ idaraya ti ko nilo lilo lilo awọn ẹrọ adaṣe. Awọn dumbbells ti lo lati lagbara ati awọn iṣan orin
Idi ti dumbbells ni lati fun ara ati lati ṣe awọn iṣan, pẹlu pọ si iwọn wọn. Awọn ara, awọn agbara, ati awọn elere idaraya miiran lo wọn laarin awọn adaṣe wọn tabi awọn ipa adaṣe. Awọn adaṣe oriṣiriṣi awọn adaṣe ni a ti ṣẹda fun lilo awọn dumbbells, ọkọọkan apẹrẹ ti a ṣe lati ṣe idaraya ẹgbẹ kan ti awọn iṣan. Gẹgẹbi ẹgbẹ kan, awọn adaṣe isọrọ naa, ti o ba ṣe deede daradara ati deede laarin awọn ejika Rọrin, awọn apa ti o lagbara, awọn ẹsẹ ti o lagbara, ati awọn idalafu ti o lagbara.
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