The major factor in declining lung function is loss of lung elasticity, aggravated by stiffening of the chest wall and reduced respiratory muscle strength.
The problem of oscillatory behaviour due to manipulator flexibility has traditionally been solved by mechanically stiffening the manipulator.
Her pelvis was raised at the back, so that she was continually lifting her heels from the -oor and stiffening her legs while playing.
Almost every respondent believed that dancing warded off the ailments of old age, especially the stiffening of the body and the deterioration of the mind.
When attempts are made to define diastolic heart failure however, confusion exists as to what level of stiffening of the ventricles is 'acceptable' with age.
The first, more accurate one, includes the "dynamics stiffening" phenomenon.
In our car configuration, there are four stiffening bulkheads whose shape defines the main cross sections of the chassis.
The stiffening of the arterial wall that occurs in old age impairs this response and thus the initial compensatory mechanism is lost.
