三頭筋
active
aerobics
arm
athlete
athletic
biceps
body
bodybuilder
bodybuilding
boy
chest
diet
exercise
exercising
fit
fitness
gym
health
healthy
isolated
macho
male
man
masculine
muscle
muscular
nude
powerful
recreation
ripped
sexy
shape
shoulder
slim
smiling
sport
sports
sporty
strength
stretching
strong
tan
torso
training
tricep
weight
weightlifting
white
workout