三頭筋
abdominal
abs
action
active
activity
adult
athlete
athletic
back
bars
biceps
body
caucasian
effort
endurance
exercise
fit
fitness
gloves
guy
gym
handsome
health
healthy
instructor
leisure
lifestyle
male
man
muscle
muscular
nature
outdoor
outside
park
people
person
sport
sportive
sportswear
strength
summer
train
trainer
workout
young