active
activity
bee
bones
cell
champion
comb
competition
competitive
diet
distance
durable
endurance
energy
exercising
fast
figure
fit
guy
health
hurdle
hurdling
jogging
jump
legs
male
men
motion
muscles
muscular
obstacle
people
race
run
runner
school
speed
sport
sprinting
stadium
stamina
strength
student
teenager
tough
track
training
young