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However, the stapedial muscle is innervated by the facial nerve while the tensor tympani is innervated by the trigeminal nerve. The tensor tympani pulls the manubrium of the malleus inwards and tightens it while the stapedial muscle pulls the stapes inward. This tightening damps the sound vibration that is allowed to penetrate the cochlea.
During swallowing or yawning, several muscles in the pharynx (throat) elevate the soft palate and open the throat. One of these muscles, the tensor veli palatini, also acts to open the Eustachian tube. This is why swallowing or yawning is successful in equalizing middle ear pressure.
A yawn is a reflex in vertebrate animals characterized by a long inspiratory phase with gradual mouth gaping, followed by a brief climax (or acme) with muscle stretching, and a rapid expiratory phase with muscle relaxation, which typically lasts a few seconds.
Related: Dealing with a Sore, Scratchy Throat? Load Up on These 20 Foods for Fast Relief . 3. Burns or irritation from food. Dr. Love says that there are also non-infectious reasons for a sore throat.
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Sensation of a 'lump' in the back of the throat; Throat feels swollen; Discomfort - Lump can often feel quite big and pain is occasional; Symptoms normally worse in the evening; Stress aggravates the symptoms; Saliva is difficult to swallow, yet food is easy to swallow - eating, in fact, often makes the tightness go away for a time
However, if you’re tired all the time and can’t figure out why, research says low-grade chronic inflammation could be sapping your energy. Balance problems. It’s true: ...
Shortness of breath (SOB), known as dyspnea (in AmE) or dyspnoea (in BrE), is an uncomfortable feeling of not being able to breathe well enough. The American Thoracic Society defines it as "a subjective experience of breathing discomfort that consists of qualitatively distinct sensations that vary in intensity", and recommends evaluating dyspnea by assessing the intensity of its distinct ...