There are 2 names in this directory beginning with the letter U.
Uddiyana BandhaUddiyana Bandha means flying upward, this is created by exhaling and drawing up the lower belly in and up while simultaneously lifting up the diaphragm.
UjjayiUjjayi means victorious and is a specialised breath used in various forms of Yoga asana practice. This breathing technique creates a soft sound at the back of the throat and is used to heat the body.