Arm muscles...

1
Arm muscles... Limber up with ymx for various
values of m. Start with large m and gradually
decrease through to the negative, then reverse
2
Now something for the legs... Adopt the y xc
position. Start with large c and quickly
decrease, then reverse
3
Arms and shoulders... Try y ax² for various
values of a. Start with a high value and
gradually decrease, then increase again