COPD is diagnosed by having people blow as hard and as long as they can into a device called a spirometer, which measures how much air they can blow out in one second and how much total air they can
force out of their lungs.
Not exact matches
Until now, most babies have been put on a mechanical ventilator which
forces air in and
out of the
lungs.
In less than five minutes, Ingber, the institute's 56 - year - old director, has pointed
out a mattress that could prevent life - threatening sleep apnea in newborns; simulated
lungs, intestines, and hearts made
of silicone rubber using microchip manufacturing technology; and a machine that
forces mutations in bacteria, directing their evolution so they can produce low - cost biofuels and drugs.
The problem with chronic cardio is that we can
force our brains to override some
of the tiredness (no pain, no gain, pal) and discomfort in the legs — and to a certain extent even the
lungs — and keep doing these hard endurance workouts incessantly day in and day
out.
In fact, studies show modest differences between an exerciser and non-exerciser when it comes to total
lung capacity (TLC - the greatest volume
of air you can inspire in one breath) or
forced vital capacity (FVC - the greatest volume
of air you can blow
out).
Blow air
out of the
lungs; then
force more air
out through contraction
of additional abdominal fibers.