These are the most frequently used words in this book.
activity
aerobic
age
arm
beats
behavior
between
blood
body
bone
cause
change
chapter
contraction
cost
day
disease
during
effect
endurance
energy
example
exercise
factors
fat
figure
fitness
following
force
goals
group
health
healthy
heart
heat
help
hfi
high
however
hr
important
include
increase
individual
injury
intensity
joint
kg
leg
less
levels
loss
low
maximal
may
min
ml
movement
muscle
must
need
number
occur
oxygen
part
participants
people
per
person
physical
position
pressure
problems
program
provide
rate
resistance
response
result
risk
see
should
speed
stage
strength
stress
table
test
testing
time
training
type
use
used
value
vo2max
walking
water
weight
work