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Vocabulary practice flashcards defining breathing mechanics, anatomical actions, incorrect methods, and advantages for Grade 5 Speech and Drama.
Intercostal and Diaphragmatic Breathing
The correct method of breathing in which the ribs are raised and expanded by the contraction of the intercostal muscles and diaphragm, making the chest cavity longer and wider to allow the lungs room to expand.
External Costal Muscles
Muscles that contract during inhalation to draw the ribs up and outwards, and relax during exhalation.
Internal Costal Muscles
Muscles that relax during inhalation and contract during exhalation to draw the ribs down and back into position.
Inhalation (Mechanics)
The process where external costal muscles contract, internal costal muscles relax, ribs are drawn up and outwards, the diaphragm flattens, and abdominal muscles relax.
Exhalation (Mechanics)
The process where abdominal muscles contract, the diaphragm rises, external costal muscles relax, internal costal muscles contract, and ribs are drawn down and back into position.
Two Cycles in Breathing
The two primary components of breathing: 1. Movement of the thorax (chest), and 2. Diaphragmatic action.
Nose Hairs
Structures in the nasal passage that clear dust from the air when fresh air is breathed in through the nose.
Clavicular Breathing
An incorrect method of breathing where the shoulders are raised, causing a breathy tone as air rushes out of the lungs because the diaphragm does not exercise sufficient control over the outgoing air.
Abdominal Breathing
An incorrect method of breathing that occurs when the intercostal muscles are not used sufficiently, causing the front abdominal wall to be thrust outwards during inspiration.
Advantages of Intercostal and Diaphragmatic Breathing
Key benefits including good diaphragm control by abdominal muscles (even flow of exhaled air), speedy replenishment of air, avoiding gasping at phrase ends, adequate projection without voice dropping, and no strain on the voicebox.
Shoulder and Neck Posture in Correct Breathing
The rule that shoulders must not be raised and neck muscles must remain relaxed during correct breathing.