Controlled breathing sets?

Former Member
Former Member
Hey all - I've read some things on the internet that says that controlled frequency breathing (breathing 3-5-7-5 by 25 in a 100) can over time reduce your heartrate and ventilation rates in response to excercise. Does anyone have any good breathing workouts? I'm getting sick of my usual suspects: 75s or 100s breathing 3-5-7-5 and not into and out of walls. Underwater 25s with a return sprint 25 (at 15-20 rest). Thanks! See article: Blood lactate and metabolic responses to controlled frequency breathing during graded swimming.