young woman stretching in the mountainside - quadriceps muscle stock videos & royalty-free footage00:16
male athlete prepares for morning exercise - quadriceps muscle stock videos & royalty-free footage00:11
male jogger stretching on bridge; wales, uk - quadriceps muscle stock videos & royalty-free footage00:06
safari by powerful quad bike in muddy waters in summer. - quadriceps muscle stock videos & royalty-free footage00:10
sport woman stretching outdoors in fresh air in nature - quadriceps muscle stock videos & royalty-free footage01:03
athletic brazilian woman stands on one leg and stretches quads after workout on copacabana beach - quadriceps muscle stock videos & royalty-free footage00:08
female runners stretching legs at city bridge railing - quadriceps muscle stock videos & royalty-free footage00:16
following a young male athlete running up the stairs - quadriceps muscle stock videos & royalty-free footage00:15
x-ray 360 degree brain inside body. medical video background. - quadriceps muscle stock videos & royalty-free footage00:15
x-ray 360 degree brain. medical video background. - quadriceps muscle stock videos & royalty-free footage00:15
x-ray 360 degree human body. medical video background. - quadriceps muscle stock videos & royalty-free footage00:15
x-ray 360 degree brain inside skull body. medical video background. - quadriceps muscle stock videos & royalty-free footage00:15
x-ray 360 degree brain inside skull. medical video background. - quadriceps muscle stock videos & royalty-free footage00:15
human body of a realistic man for study - walking - quadriceps muscle stock videos & royalty-free footage00:12
human body of a realistic man for study - walking - quadriceps muscle stock videos & royalty-free footage00:12
human body of a realistic man for study - walking - quadriceps muscle stock videos & royalty-free footage00:12
human body of a realistic man for study - spinning - quadriceps muscle stock videos & royalty-free footage00:20
human body of a realistic man for study - spinning - quadriceps muscle stock videos & royalty-free footage00:20
human body of a realistic man for study - spinning - quadriceps muscle stock videos & royalty-free footage00:10
human body of a realistic man for study - spinning - quadriceps muscle stock videos & royalty-free footage00:10
human body of a realistic man for study - spinning - quadriceps muscle stock videos & royalty-free footage00:10
muscular man riding atv in the desert in slow motion stock video - quadriceps muscle stock videos & royalty-free footage00:12
wayne rooney stretching quadriceps and jogs on spot during england football training session, fenerbahce stadium, istanbul; 15 oct 03 - quadriceps muscle stock videos & royalty-free footage00:10
phil neville and sol campbell balance on each other as they stretch quadriceps during england football training session, 15 oct 03 - quadriceps muscle stock videos & royalty-free footage00:09
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:11
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:11
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:07
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:07
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:04
toned asian young woman, wearing yoga pants, toning her butt at the gym - quadriceps muscle stock videos & royalty-free footage00:07
ms shot of asian lady standing on a platform and doing a tip toe stretch - quadriceps muscle stock videos & royalty-free footage00:19
low section handheld woman doing a leg press exercise in the gym - quadriceps muscle stock videos & royalty-free footage00:12
unrecognizable woman using hip, legs kicking exercise machine at gym - quadriceps muscle stock videos & royalty-free footage00:24
beautiful asian woman doing a reverse sit up using the machine - quadriceps muscle stock videos & royalty-free footage00:24
waist down shot of asian woman doing a spiderman plank inside the gym - quadriceps muscle stock videos & royalty-free footage00:22
side view shot of asian lady in sport wear leaning on gym soft plyo box and doing a spiderman plank - quadriceps muscle stock videos & royalty-free footage00:13
high angle view of a lady doing a single leg kickback execise in the gym alone - quadriceps muscle stock videos & royalty-free footage00:16
medium shot of asian woman in sport wear holding a kettlebell with both hand and doing a frog squat - quadriceps muscle stock videos & royalty-free footage00:14
waist down shot of asian lady in sport wear doing jump box exercise inside public gym - quadriceps muscle stock videos & royalty-free footage00:14
medium shot of woman lower section, doing a leg press exercise in the gym - quadriceps muscle stock videos & royalty-free footage00:16
medium shot of a woman in black legging doing a leg press exercise - quadriceps muscle stock videos & royalty-free footage00:16
back view of a beautiful woman doing a leg press exercise in a gym - quadriceps muscle stock videos & royalty-free footage00:20
low section shot of a lady using gym leg extension machine to do a single leg kickback exercise - quadriceps muscle stock videos & royalty-free footage00:10
young woman doing leg extensions in the gym - quadriceps muscle stock videos & royalty-free footage00:15
young woman doing leg extensions in the gym - quadriceps muscle stock videos & royalty-free footage00:12
mature hispanic man stretching for a workout on an urban bridge - quadriceps muscle stock videos & royalty-free footage00:14
young family doing exercise outdoors in the park on the sports field. father with children train together on sports machines and equipment - quadriceps muscle stock videos & royalty-free footage00:12