CLINICAL ENCOUNTERS
ANKYLOSING SPONDYLITIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Measurement begins and maximal inspiration after maximal expiration.
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Varies depending on age and gender
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Guidelines for chest expansion < 5cm
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Men-IV intercostal space; woman-under mamae
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Detailed explanation-1: -There is age wise reduction of chest expansion for both male and female where the mean chest expansion in 18-34 years age group is 3.74 cm for female and 3.72 for male, in 35-64 years age group is 3.57 cm for female and 3.66 cm for male and in those of 65 years and more is 2.63 cm for female and 2.66 for male.
Detailed explanation-2: -The contraction of the inspiratory muscles; principally the diaphragm and external intercostal muscles generates force interaction amid the chest wall and increases chest wall and lung expansion.
Detailed explanation-3: -Checking chest expansion-Position the thumbs together just either side of the midline, ensuring to keep them off the chest (’in the air’), so they can move freely with respiration; -Advance the fingers around both sides of the chest as far as possible; -Ask the patient to breath in and out as normal.