英文關鍵字
action
active
aerobics
anti
background
black
body
boots
cardio
closeup
competition
dance
darkness
energy
equipment
exercises
expression
fitness
flexibility
foot
gravity
gym
gymnastics
healthy
human
instructor
jumping
kangoo
legs
light
motion
moving
muscles
people
performing
shoes
silhouette
skill
slim
slow
sports
sportswear
spotlights
springs
studio
trainer
training
twilight
workout
young