英文關鍵字
abdominal
abs
adult
athlete
athletic
attractive
boxer
brunette
caucasian
concentration
crunch
crunches
crunching
effort
exercise
female
fit
fitness
floor
girl
gym
health
healthy
indoors
intensive
kickboxer
leisure
lifestyle
lifting
mat
muscle
muscular
person
physical
powerful
powerlifting
shape
slim
sport
sportswear
sporty
strength
strong
studio
tough
training
woman
young