Table 1.
Raw force values and potentiation during 8 s of 8-Hz stimulation
| Condition | Force | Potentiation | ||
| mN | % | |||
| Twitch number | 90 s Pre | 1 | 64 | 64 |
| 30°C | 22.7 ± 1.8 | 22.5 ± 1.7 | 21.0 ± 1.6a | −6.8 ± 1.9 |
| 37°C | 17.4 ± 1.7b | 17.3 ± 1.7b | 21.7 ± 1.8a | 26.8 ± 3.2b |
Mouse lumbrical muscles were stimulated at 8 Hz for 8 s at either 30 or 37°C. Peak twitch force is reported for the first (Twitch 1) and last twitches (Twitch 64) of this protocol, along with an unpotentiated twitch occurring 90 s before the initiation of the stimulation protocol (90 s Pre). Percent potentiation refers to the relative change in peak force seen between the first and last twitches within each condition. See Figs. 2 and 3 for more detailed results. All values are presented as mean ± SEM.
a
Different from twitch 1 and 90 s Pre (P < 0.05).
b
Different than 30°C (P < 0.05).