breathing
is natural, in coordination with it's techniques
of uke(inspiration) and atemi(expiration).
Nogare:
During the course of the katas Shuri (Pinan, Naifanchin)
of the branch: Tomari (Wan-Su, Sei-Ru, Rojai)
Ibuki:
in techniques or katas of Naha origin: Seien-chin
Geiki-sai, San-chin,Sei-Pai