These are the most frequently used words in this book.
ab
abdominal
action
added
apart
arms
athlete
ball
behind
between
body
center
chapter
chest
continue
contract
core
count
crunch
degrees
elbows
exercises
extend
feet
fitness
flat
flex
floor
forward
grow
hands
head
help
hips
hold
however
immediately
increase
keep
knees
left
legs
level
lie
lift
low
lower
maintain
may
momentum
movement
muscles
note
obliques
opposite
partner
per
perform
place
position
power
preparation
program
repeat
repetitions
resistance
return
right
routine
seated
see
set
should
shoulders
side
simultaneously
sit
slightly
slowly
spine
start
starting
straight
strength
stretch
stronger
support
technique
time
torso
toss
toward
training
trunk
twist
two
upper
wall
weight
work