機器
body sculpting
concentration
dedication
determination
equipment
exercise machine
exercising
female
flexibility
flexing muscles
fly
flying
flys
form
group of people
gym
health club
healthcare and medicine
healthy lifestyle
human arm
man
muscular build
organized group
repetitions
reps
spinning
sports training
strength
strength training
sweat
the human body
train
training
weight training
weights
women