1°
primary
2°
secondary
(-)
negative
(+)
positive
@
at
=
equal
arrow down
decrease
arrow up
increase
triangle shape
change
/
elevation
\
depression
<
less than
>
greater than
~
approximate, about
a (with straight line on top)
before
AA
active assisted
AAROM
Active-assisted range of motion
ABD
abduction
AC
acromioclavicular
ACL
anterior cruciate ligament
ADD
adduction
ADH
adhesion
ADL
activities of daily living
AFO
ankle-foot orthosis