woman doing glute kickback pose exercise on all fours with hands directly under shoulders and knees under hips, lifts one leg straight back and clenches glutes at the top of the action before returning to the starting position - 兩腿抬高 個影片檔及 b 捲影像00:19
an active woman is doing sit up exercises to improve muscle development throughout her life and maintain muscle mass in old age - 兩腿抬高 個影片檔及 b 捲影像00:22
low section shot of a lady using gym leg extension machine to do a single leg kickback exercise - 兩腿抬高 個影片檔及 b 捲影像00:10
two sets of thoroughbred racehorse legs training on the gallops in slow motion. - 兩腿抬高 個影片檔及 b 捲影像00:10
a thoroughbred racehorse in training on an all weather training track in slow motion. - 兩腿抬高 個影片檔及 b 捲影像00:15
a racehorse in training on the gallops as the hooves leave a trail of exploding grass in slow motion. - 兩腿抬高 個影片檔及 b 捲影像00:15
a close up on a racehorse in training running on the gallops in slow motion. - 兩腿抬高 個影片檔及 b 捲影像00:10賽馬 - 馬
a group of thoroughbred racehorses de-focused running on an all weather training track. - 兩腿抬高 個影片檔及 b 捲影像00:15賽馬 - 馬術比賽
resting lions with full bellies. lions resting in grassland at wildlife reserve - 兩腿抬高 個影片檔及 b 捲影像00:05
close-up of a barefoot woman on a swing at the beach, with the sea in the background - 兩腿抬高 個影片檔及 b 捲影像00:17
sequence showing a group of female dancers, all wearing leotards and tights, one in red, the others all in black, as they warm-up in a dance studio,... - 兩腿抬高 個影片檔及 b 捲影像00:57僅有女人
a young asian woman cheerfully playing guitar and singing on the hatchback in a grass field by the forest as a cow herd walking in the background - 兩腿抬高 個影片檔及 b 捲影像00:19
african woman sitting and relaxing on the balcony looking over the sea. - 兩腿抬高 個影片檔及 b 捲影像00:11酒店, 飲品
african woman sitting and relaxing on the balcony looking over the sea. - 兩腿抬高 個影片檔及 b 捲影像00:23酒店, 飲品
propping her legs on the back of a sofa while dressed and ready to go roller skating - 兩腿抬高 個影片檔及 b 捲影像00:07
fitness woman doing abs hundreds crunches close to knees, legs bent at the knees with sport ball fixed hands behind head on exercise mat - 兩腿抬高 個影片檔及 b 捲影像00:29
fitness woman doing abs crunches v ups with hands in front face on exercise mat - 兩腿抬高 個影片檔及 b 捲影像00:28
fitness woman doing abs crunches passing sport ball from feet to hands on exercise mat - 兩腿抬高 個影片檔及 b 捲影像00:23
fitness woman doing raises holding sport ball between legs on exercise mat ending exercise and looking in camera - 兩腿抬高 個影片檔及 b 捲影像00:29
fitness woman doing stretching out and back extension with moving legs in air on mat - 兩腿抬高 個影片檔及 b 捲影像00:13
fitness woman doing abs bicycle crunches legs bent at the knees, passing the sport ball from hand to hand between legs on exercise mat - 兩腿抬高 個影片檔及 b 捲影像00:29
fitness woman doing abs crunches passing sport ball from feet to hands on mat ending exercise and smiling - 兩腿抬高 個影片檔及 b 捲影像00:22
fitness woman doing abs hundreds legs bent at the knees with sport ball fixed hands behind head on exercise mat - 兩腿抬高 個影片檔及 b 捲影像00:23
young girl hanging upside down from tree branch with orange and yellow fall colors and leaves fallen onto green grass - 兩腿抬高 個影片檔及 b 捲影像00:13
confident and playful boy, showing his diving skills, with his legs above the sea - 兩腿抬高 個影片檔及 b 捲影像00:19