The activity picked up by surface electrodes in this instance may originate in the more superficial platysma. ... and the diaphragm (38), is a progressive increase in firing frequency and recruitment of new fibers during inspiration and a more rapidly decreasing activity during expiration. ... The conceptual framework used to relate neural and mechanical events in muscle is the length-tension diagram ( Fig.
|Title||:||The Respiratory system|
|Author||:||Alfred P. Fishman, Aron B. Fisher, American Physiological Society (1887- )|