charles atlas demonstrates strenth to older man and boy / a shirtless atlas holds biceps up to show muscles and rips a phonebook in half . - 雙頭肌 個影片檔及 b 捲影像00:55
determined young woman engages in intense strength training with dumbbells at a modern gym - 雙頭肌 個影片檔及 b 捲影像00:17女人, 運動訓練
woman, dumbbell and weightlifting for workout, exercise or bodybuilding training in living room at home. face of active female person or bodybuilder lifting weight or iron for muscle gain or strength - 雙頭肌 個影片檔及 b 捲影像00:13女人
woman, dumbbell and lifting weights in gym for muscle, fitness and breathing with power training. strong, intense and endurance with exercise, energy and challenge with workout gear for training - 雙頭肌 個影片檔及 b 捲影像00:14女人
man, fitness and weightlifting with dumbbells for workout, exercise or strength training at gym. young, active or muscular male person with weights for muscle gain or bicep curl at indoor health club - 雙頭肌 個影片檔及 b 捲影像00:09
determined muscular male athlete in sportswear exercising on pulldown weight machine at gym - 雙頭肌 個影片檔及 b 捲影像00:23
portrait, black woman and flex arms with empowerment, leadership and against studio background. face, african american female and lady flexing, confidence and power for strength, smile and strong - 雙頭肌 個影片檔及 b 捲影像00:06
asian chinese senior personal trainer encouraging senior man practicing dumbbell in gym - 雙頭肌 個影片檔及 b 捲影像00:18微笑, 中老年人
a young woman flexing her muscle against an orange studio background. happy female smiling while raising her arm and showing her biceps - 雙頭肌 個影片檔及 b 捲影像00:11微笑
4k video footage of an attractive young woman being jokingly fierce in studio against a cream-coloured background - 雙頭肌 個影片檔及 b 捲影像00:07
close-up of a weight moving up and down on an exercise machine. after it going up and down several times, the male lifting it enters the shot to release it. - 雙頭肌 個影片檔及 b 捲影像00:12
medium shot of a male's arm lifting a weight on a bicep curl machine. the camera then tilts up to his face. - 雙頭肌 個影片檔及 b 捲影像00:16
