piano fitness is undoing. deeply rooted rituals, like sitting, walking, standing, (the way you scratch your nose!) might not need changing, but moving the levers in conjunction probably do, to improve efficiency-less work/more rest. 2nd arm continuously changes when watching the 2nd center.
training:
3rds
f.f. 1
train in 4
hanon 15 br
practice
op 14
op 53
