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Reactive Oxygen Species Formation during Tetanic Contractions in Single Isolated Xenopus Myofibers

L Zuo, L Nogueira… - Journal of Applied …, 2011 - Am Physiological Soc
... taken after a 2-min tetanic contraction period; E: A fiber treated with ebselen after 60-
356 min rest period (right before 2nd contractile period); F: The same area of E, image
taken 357 after a 2-min tetanic contraction period. 358 359 Fig. ...
All 2 versions

Progressive arteriolar vasoconstriction and fatigue during tetanic contractions of rat skeletal muscle are inhibited by α-receptor blockade

T Inagaki, T Sonobe, DC Poole… - The Journal of Physiological …, 2011 - Springer
Abstract Voluntary muscle contractions activate sympa- thetic efferent pathways. Using a fatiguing
electrical stimulation protocol designed specifically to enhance sym- pathetically-mediated vasoconstrictor
tone, we explored the temporal profile and mechanistic bases of the evoked ...
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Ryanodine Receptor Oxidation Causes Intracellular Calcium Leak and Muscle Weakness in Aging

DC Andersson, MJ Betzenhauser, S Reiken, AC Meli… - Cell Metabolism, 2011 - Elsevier
... EDL from aged mice exhibited reduced specific force compared to EDL from young (3- to
6-month-old) controls (mean specific force at 70 Hz tetanic contraction ± SEM: aged, 251 ± 21
kNm −2 , versus young, 388 ± 14 kNm −2 ; n = 5 aged, 7 young, p < 0.001) (Figures 1A–1C). ...

Control of microvascular PO2 kinetics following onset of muscle contractions: Role for AMPK

Y Kano, DC Poole, M Sudo… - American Journal of …, 2011 - Am Physiological Soc
... Therefore, both twitch and tetanic contraction protocols, which provide a range of metabolic rates
and consequently different arteriovenous O2 extractions and PmvO2 values, were ... tetanic
contraction protocol (WT: r2 = 0.993 ± 0.002, AMPK-DN: r2 = 0.985 ± 0.007). ...

[HTML] An< em> in vivo</em> Rodent Model of Contraction-induced Injury and Non-invasive Monitoring of Recovery

[HTML] from jove.comRM Lovering, JA Roche, MH Goodall… - Journal of Visualized …, 2011 - w1.jove.com
... The distal tendon of the TA is attached to the load cell and single twitches are induced at different
muscle lengths in order to determine L 0 . A maximal tetanic contraction is obtained to determine
maximal contractile activation (P 0 ). Maximal tetanic tension can be performed ...
Cited by 1 - Related articles - Cached - All 4 versions

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