side view shot of asian lady in sport wear leaning on gym soft plyo box and doing a spiderman plank - 四頭肌 個影片檔及 b 捲影像00:13
high angle view of a lady doing a single leg kickback execise in the gym alone - 四頭肌 個影片檔及 b 捲影像00:16
medium shot of asian woman in sport wear holding a kettlebell with both hand and doing a frog squat - 四頭肌 個影片檔及 b 捲影像00:14
waist down shot of asian lady in sport wear doing jump box exercise inside public gym - 四頭肌 個影片檔及 b 捲影像00:14
low section shot of a lady using gym leg extension machine to do a single leg kickback exercise - 四頭肌 個影片檔及 b 捲影像00:10
young family doing exercise outdoors in the park on the sports field. father with children train together on sports machines and equipment - 四頭肌 個影片檔及 b 捲影像00:12
full- length shot on studio mirror of pilates student lean back and stretching her legs - 四頭肌 個影片檔及 b 捲影像00:16
asian woman sitting on pilates cadillac machine open her hip and stretching ql - 四頭肌 個影片檔及 b 捲影像00:12
medium shot of unrecognizable female pilates student performing table top pose and leg extension - 四頭肌 個影片檔及 b 捲影像00:20
full length shot of asian woman on pilates machine performing quadriceps exercise - 四頭肌 個影片檔及 b 捲影像00:20
overweight man working out his whole body by pulling resistance bands with both arms on reformer in pilates studio. - 四頭肌 個影片檔及 b 捲影像00:30
side view: asian beautiful mid woman in sportswear with perfect muscle, cooling down her body with leg stretching in the public park in the morning, active lifestyle, healthy lifestyle - 四頭肌 個影片檔及 b 捲影像00:05
blond caucasian woman in active wear clothing sitting on the ground leaning forward stretching her hamstrings and back - 四頭肌 個影片檔及 b 捲影像00:20
blond caucasian woman in active wear clothing stretching her hips, legs, and lower back - 四頭肌 個影片檔及 b 捲影像00:09
blond caucasian woman in active wear clothing sitting on the ground leaning and reaching forward stretching her hamstrings and back - 四頭肌 個影片檔及 b 捲影像00:09
blond caucasian woman in active wear clothing exercising alternating legs in a lunge position - 四頭肌 個影片檔及 b 捲影像00:12
blond caucasian woman in active wear clothing stretching her hips, legs, glutes, and lower back - 四頭肌 個影片檔及 b 捲影像00:10
blond caucasian woman in active wear clothing exercising alternating legs and jumping from a lunge position - 四頭肌 個影片檔及 b 捲影像00:10
blond caucasian woman in active wear clothing squatting and jumping for exercise - 四頭肌 個影片檔及 b 捲影像00:11
blond caucasian woman in active wear clothing stretching her hips, legs, and lower back - 四頭肌 個影片檔及 b 捲影像00:09
young blond caucasian woman reaches down to stretch her legs and hamstrings for a workout - 四頭肌 個影片檔及 b 捲影像00:09
