英文關鍵字
arms
bar
barbell
bench
biceps
black
body
club
definition
dumbbells
equipment
exercise
fit
fitness
footage
gym
health
healthy
heavy
high
indoors
iron
lifestyle
lift
lifting
machines
metal
muscle
pounds
power
press
rack
resolution
sport
sports
steel
strength
training
triceps
video
weight
weightlifting
weights
workout