action
active
activity
adult
aerobics
arm
athlete
athletic
body
bodybuilder
bodybuilding
care
circle
closeup
competition
compress
crunch
effort
elastic
endurance
energy
equipment
exercise
expander
finger
fist
fit
fitness
force
forearm
grip
gym
hand
health
healthcare
human
male
muscle
muscular
power
pressure
round
rubber
simulator
sports
squeeze
strength
strong
training