For anyone feeling that exercise of any sort with your mouth closed is too difficult. Difficult perhaps, but possible for anyone.
This man is 105 and runs the 100m in 42 secs, without being out of breath at the end. That is the efficiency of good breathing.
Watch here and be inspired.
Declan Clark has been a therapist for 30 years. With understanding of the body, an interest in fascia, and as a Buteyko Breathing Educator, Declan brings things together to help people live better lives.