a woman athlete sits on the floor in the gym and does body crunches at the waist - 仰臥起坐 個照片及圖片檔僅一名女人, 健身運動, 健身房
lying on an exercise mat, the female athlete does sit-ups and thus tightens the abdominal muscles. - 仰臥起坐 個照片及圖片檔
young asian sportswoman doing abs exercises on the ground in an outdoor court - 仰臥起坐 個照片及圖片檔腹肌, 亞洲和印度人
above view of muscular build athlete doing abdominal exercises in a gym. - 仰臥起坐 個照片及圖片檔磁碟機 - 電腦設備, 健康的生活方式, 健身運動
determined full-bodied redhead lady doing sit-ups while exercising on mat outdoors in tranquil forest setting - 仰臥起坐 個照片及圖片檔超重
