A normal larynx in a 25 year old, female singer during abduction (breathing in).
Normal vocal cord
Flexible videoscope exam
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 A normal larynx in a 25 year old, male singer during adduction (phonating). This photo was taken during stroboscopy at a low pitch - the vocal cords are shortened - and during the open phase of a stroboscopic exam.
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 A normal larynx in the same 25 year old, male singer during abduction (breathing in). In this overview the epiglottis is seen and they come in many shapes. This configuration is often called omega shaped.
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 A nearly normal larynx in a 60 year old, male singer during abduction (breathing in).
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Normal female vocal cords
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Laryngeal stroboscopy examination using high definition, 90° rigid laryngoscope in a young female. In the examination she goes from low to medium to high pitches and then she glides up and down in pitch. This exam demonstrates particularly well how the cricothyroid muscle stretches the vocal cords longer as she goes up in pitch. |
Rigid scope exam
 During a rigid scope exam, this is the position of the vocal folds at the onset of phonation at a high pitch.
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 One may compare this person at a high and a low pitch, demonstrating the elongation of the vocal cords that takes place to raise pitch by contracting the Cricothyroid muscles
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Flexible fiberoptic scope exam
 ABducted vocal folds. This view is from above with a flexible laryngoscope and is an overview of the voice box. The vocal folds are in this position when breathing in, particularly during a deep breath in or sniffing. This is about as wide as they will open.
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 ADducted vocal folds. This is an overview during phonation. The vocal cords have come together and vibrate as air is forced between them making a sound. The surrounding pharynx and tongue then shape the sound.
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 ABducted vocal folds. This is a close up of a deep breath in.
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