Answer: However, during exercise, many other muscles become important to respiration. During inspiration, the external intercostals raise the lower ribs up and out, increasing the lateral and anteroposterior dimensions of the thorax.
Walking Take a rest. no weight lifting this prevent
No it cannot. All it will do is build muscle which= 0 flexibility and also the muscle you build will eventually turn to fat if you stop working out.
If I’m interpreting this correct and you want examples of lung disease there are many including :
Asthma
Bronchitis
Emphysema
