A sit-up is a very basic exercise that only puts strain on one small portion of your abs. If you want a washboard stomach you need to work all your core muscles.
A sit-up is a very basic exercise that only puts strain on one small portion of your abs. If you want a washboard stomach you need to work all your core muscles.
0 Комментарии 0 Поделились 3Кб Просмотры 0 предпросмотр