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Table 3 Diaphragm strip physiological parameters

From: Myosin heavy chain and physiological adaptation of the rat diaphragm in elastase-induced emphysema

Source

Time to peak tension (ms)

Half relaxation time (ms)

Peak twitch force (kg/cm2)

Fatigue

Control (n = 9)

53.9 ± 2.4

92.3 ± 3.5

0.85 ± 0.055

0.45 ± 0.04

Emphysema (n = 9)

63.9 ± 2.7*

85.3 ± 5.3

0.81 ± 0.053

0.59 ± 0.04*

  1. Half relaxation time is the time from the peak to one-half of the maximum generated force; fatigue is the ratio of force generated at 4 s after the initiation of protocol to the initial force generated. *P ≤ 0.05 versus control values.