Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Representative transdiaphragmatic pressure (Pdi) tracings during various motor behaviors in 24, 27, and 30 month old C57BL/6 × 129 mice. Increasing Pdi is evident from eupnea and hypoxia‐hypercapnia to tracheal occlusion and bilateral nerve stimulation (Pdimax). Note bar represents 10 cm H2O for eupnea and hypoxia‐hypercapnia and 40 cm H2O for tracheal occlusion and bilateral nerve stimulation
