Selina: Voice Physio • Singer • Mobility Queen on Instagram: "This exercise is called Timed Inhalation, I designed it to help singers improve Core + Breath Coordination and Breath Accuracy. 👍🏽 Your brain LOVES having a target, this is why I vary the time for inhalation. Varying the time also trains the different muscle fibre types of your diaphragm (slow twitch and fast twitch) to be more efficient so you can accurately inhale exactly the amount of air you want when you have only a beat to inh