What is Diaphragmatic Breathing?
Definition
Diaphragmatic breathing, also called belly breathing or abdominal breathing, is a breathing technique that emphasises the descent of the diaphragm during inhalation, allowing the lungs to expand more fully into the lower rib cage and abdomen. During diaphragmatic breathing, the abdomen expands outward on inhalation and returns inward on exhalation, in contrast to clavicular or shallow breathing where the shoulders and upper chest rise. This breathing pattern is fundamental to efficient voice production and is a core component of voice therapy protocols.
Why it matters
Breath support is the power source of voice production. Without adequate and well-controlled airflow, the vocal folds cannot vibrate efficiently, leading to compensatory tension in the laryngeal muscles. Many people with voice difficulties breathe shallowly, using primarily the upper chest and accessory muscles of respiration. This pattern provides less air volume per breath, creates unnecessary upper body tension that often spreads to the larynx, and makes it difficult to sustain phonation smoothly. Diaphragmatic breathing corrects these issues by maximising lung volume, reducing unnecessary muscular tension in the neck and shoulders, and providing a stable, controlled airstream for phonation. In voice therapy, diaphragmatic breathing is typically the first skill taught because it underpins every other voice exercise. Singers, actors, and speakers rely on diaphragmatic breath management for projection, phrasing, and vocal stamina.
How VocalCalm helps
VocalCalm includes dedicated breathing exercises that train diaphragmatic technique in isolation before integrating it with phonation. The programme progresses from basic belly breathing awareness through sustained exhale practice, rib expansion exercises, and coordinated phonation-breathing tasks that transfer the skill directly into voice use.
Related exercises
Diaphragmatic Breathing
Place one hand on your chest and one on your belly, then breathe so that only your belly hand moves. This retrains the foundational breathing pattern that supports healthy voice production and reduces the tendency to breathe shallowly from the chest and shoulders.
Sustained Exhale
Breathe in for 4 counts, then exhale on a steady, controlled "sss" sound for as long as you can. This trains the breath control and airflow regulation that underpin all voice production.
Rib Expansion Breathing
Place your hands on the sides of your lower ribs and focus on expanding the ribs outward during inhalation, rather than lifting the chest upward. This targets the lateral costal breathing pattern that provides optimal support for voice production.
Coordinated Phonation Breathing
Begin with a silent diaphragmatic breath cycle, then transition to adding a gentle voiced exhale on subsequent cycles. This exercise bridges the gap between pure breathing work and actual voice production, teaching the breath-to-voice coordination that is often disrupted in MTD.
Breath Pacing for Speech
Read sentences aloud at a comfortable pace, pausing at each punctuation mark to take a controlled, diaphragmatic breath before continuing. This trains functional breath management for real-world connected speech, the ultimate goal of all breathing exercises.
Practice exercises for Diaphragmatic Breathing
VocalCalm provides guided daily exercises based on the latest voice therapy research. Free for 14 days.
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