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By age 70, many adults have experienced a significant decline in lung function and chest wall flexibility. This phenomenon, which explains why do the elderly experience stiffening of the chest wall, is a natural but impactful part of the aging process.
Yes, the chest wall does stiffen as we age, a process confirmed by scientific research. For instance, a study involving 42 healthy males found a significant decrease in chest wall compliance with age, independent of lung tissue changes. This natural physiological shift can impact respiratory function and overall health.
According to a 1965 study published in the *Journal of Applied Physiology*, chest wall compliance significantly decreases with age. This stiffening of the thoracic cage is a normal part of the aging process that makes the chest wall more rigid and less able to expand, increasing the work required for breathing. Understanding **how does chest wall compliance change with age** is key to appreciating the physiological adaptations of the respiratory system throughout life.
