Cycling helps the purification process.
There are many different kinds of fitness.
You may be able to stand in a qigong postures/postures for 40 mins, practice for 2 hours without rest, but how do you fare on a bicycle?
I try to vary what I do.
Tai chi is the foundation of the routine, but I also train cycling and walking.
Even the tai chi isn't what most people imagine I might train.
Yes, the long form is slow, and so are the qigong, but not everything else is slow.
Pao chui, baguazhang and the weapons are vigorous and the combat work makes your heart beat faster.