Strength of Lungs - Is There Room for Improvement?

The strength of lungs really comes down to useing a device. I think there's probably, from what i've seen, there's usually about 25 to 30 % room for improvement in that f e v one strength while we ride. When we, you know, when we do tempo, see a lot of benefits. So then thelast thing we have in the list is talking about anything that we can do to address the force expiratory volume? Yes, tet training.