三頭筋
active
activity
arms
athlete
athletic
back
bar
biceps
body
building
caucasian
concentration
core
definition
development
energy
equipment
exercise
exercising
fit
fitness
force
gym
handsome
health care
heavy
hobby
lifting
male
man
motivation
movement
muscle
muscular
one
physique
power
powerful
pullups
shape
shoulder
sport
sportsman
strength
strong
training
work out
workout
young