三頭筋
abdominal
abdominal muscle
abs
adult
aerobics
athlete
barbell
biceps
body building
body building exercises
body conscious
bodybuilding
caucasian
chest
exercising
fit
guy
gym
handsome
health and fitness
healthy lifestyle
human muscle
indoors
lifestyles
male
man
model
muscular build
picking up
power
relaxation exercise
sport
sports and fitness
sports clothing
sports training
strength
strong
the human body
waist
weight training
young man