cu young woman doing sit ups on exercise ball, close-up of abdomen / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:18
cu zo ws ha studio portrait of shirtless young man in sit-ups position on blue exercise ball / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:13
ws ha studio shot of shirtless young man doing sit-ups on blue exercise ball / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:18
ms cs ws studio shot of shirtless young man doing sit-ups on blue exercise ball / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:25
ws ha zi ms studio shot of shirtless young man doing sit-ups on blue exercise ball / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:26
ws ha studio shot of shirtless young man doing push-ups with his feet on blue exercise ball / orem, utah, usa - 健身球 個影片檔及 b 捲影像00:21
ms cu zo colleague joining two female office workers discussing in front of computer in office cubicle, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:42
ms cu zi two female office workers discussing in front of computer in office cubicle, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:17
ms cu zi zo r/f office workers having discussion using computer in cubicle in office, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:32辦公室
ms zo woman using computer sitting on fitness ball in office, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:16
ms zi cu woman exercising sitting on fitness ball in office, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:36辦公室
ms zo woman exercising sitting on fitness ball in office, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:18辦公室
ms pan tu td office workers working in their cubicles in office, appleton, wisconsin, usa - 健身球 個影片檔及 b 捲影像00:33
