Navigation Links
Lance Armstrong through a physiological lens: hard training boosts muscle power 8%

adaptations did occur within active skeletal muscle as reflected by a 38% increase in activity of the mitochondrial enzyme citrate synthase," Coyle noted.

Mechanisms of physiological changes need further study

The Burgomaster et al. paper said the validity of their findings on the doubling of endurance time to fatigue "is bolstered by the fact that all subjects performed extensive familiarization trials before testing and that a control group showed no change in endurance performance when tested 2 weeks apart with no sprint training intervention." In addition, though previous studies showed increases in citrate synthase (CS) activity and glycogen content after several weeks of sprint interval training with equivocal data, "we show here that the total training volume necessary to stimulate these metabolic adaptations is substantially lower than previously suggested."

Nevertheless, they note: "We can only speculate on potential mechanisms responsible for the dramatic improvement in cycle endurance capacity, but it is plausible that a training-induced increase in mitochondrial potential, as measured by CS maximal activity, improved respiratory control sensitivity during exercise as classically proposed (by J Holloszy and E. Coyle)?We hope that the present observations will stimulate additional research to clarify the precise nature, time course, and significance of the physiological adaptations induced by short sprint interval training."

The study, "Six sessions of sprint interval training increases muscle oxidative potential and cycle endurance capacity in humans," by Kirsten A. Burgomaster, Scott C. Hughes, George J.F. Heigenhauser, Suzanne N. Bradwell and Martin J. Gibala, of McMaster University, Hamilton, Ontario, appears in the June issue of the Journal of Applied Physiology, published by the American Physiological Society. Except for Heigenhauser, researchers are with the Exercise Metabolism Research Group, Dept. of Kinesiology; H
'"/>

Source:American Physiological Society


Page: 1 2 3 4 5 6

Related biology news :

1. Termites feed through good vibrations
2. Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine
3. Breakthrough Microarray-based Technology for the Study of Cancer
4. Leukemia Drug Breakthrough Study In New England Journal Of Medicine
5. BRCA1 causes ovarian cancer through indirect, biochemical route
6. Breakthrough method in nanoparticle synthesis paves the way for new pharmaceutical and biomedical applications
7. Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin
8. HIV-1 spread through six transmission lines in the UK
9. MUHC researchers make cancer target breakthrough
10. Breakthrough isolating embryo-quality stem cells from blood
11. Breakthrough System for Understanding Ocean Plant Life Announced
Post Your Comments:
(Date:7/11/2014)... members to reduce aggression and gain access to scarce ... activities shows a certain pattern across the day. The ... Biology Letters . , Grooming between individuals in a ... To be groomed has hygienic benefits and is stress ... provide access to infants, mating opportunities and high quality ...
(Date:7/11/2014)... have explored two different ways that allow unprecedented ... the formation of oxygen molecules in photosynthesis. The ... journal Nature Communications . , "The new ... for water oxidation, which are key components for ... of solar energy in fuels like hydrogen, ethanol ...
(Date:7/11/2014)... kidney injury related to the use of hydroxyethyl starch ... molecules, according to a report in Anesthesia & ... Society (IARS). , The "total mass of HES molecules" ... renal proximal tubule cells (PTCs), concludes the laboratory study ... Wrzburg, Austria. Other factorssuch as differences in the ...
Breaking Biology News(10 mins):Baboons groom early in the day to get benefits later 2Molecular snapshots of oxygen formation in photosynthesis 2In lab studies, hydroxyethyl starch has direct harmful effects on kidney cells 2
... new study on identifying which patients were likely to ... found that measuring how a certain non-toxic dye was ... accurate indicator of liver function, and therefore a reliable ... used a simple non-invasive device to measure the dye, ...
... predators at the top of the marine food chain, ... mercury in their bodies. A new study has found ... albatross species that forage in different areas of the ... and DDT have increased in both species over the ...
... ago, humans began scrubbing off and discarding the outer ... beneath. Now, for the first time, scientists in Japan ... called rice bran, significantly lowers blood pressure in rats ... reports their findings in the March 8 issue of ...
Cached Biology News:Predicting successful outcomes in living-donor liver transplants 2Predicting successful outcomes in living-donor liver transplants 3Albatross study shows regional differences in ocean contamination 2Albatross study shows regional differences in ocean contamination 3How nice, brown rice: Study shows rice bran lowers blood pressure in rats 2
(Date:7/11/2014)... WEST PALM BEACH, Fla. , July 11, 2014 ... wide variety of high-quality peptides that are used solely ... online. To honor two successful years in business, Maxim ... Performance LLC, has just launched a new and updated ... addition, the research blog section has been updated with ...
(Date:7/11/2014)... DUBLIN , July 11, 2014 ... "International Transfection Technology Market - Global Industry Analysis, ... report to their offering. ... to introduce nucleic acids (either DNA or RNA) into ... therapy, mutation of cancer cells and protein metabolism by ...
(Date:7/11/2014)... -- EPFL and the University of  Geneva ... John P. Donoghue . The American neuroscientist is to ... The new Wyss Center for Bio- and ... , has named as its director one of ... , founder of Brown University,s Institute for Brain Science, ...
(Date:7/11/2014)...  Researchers have pioneered a revolutionary new way ... called Virtual Finger, allows scientists to move through ... synapses using the flat surface of their computer ... studies orders of magnitude more efficient, saving time, ... many areas of experimental biology. The software and ...
Breaking Biology Technology:Maxim Peptide Celebrates Second Anniversary Online with an Updated Website and Special Deals Section 2International Transfection Technology Market - Industry Analysis, Size, Share, Growth, Trends and Forecast to 2019 2John P. Donoghue is Taking the Lead at the Wyss Center and is Appointed Professor at EPFL and University of Geneva 2John P. Donoghue is Taking the Lead at the Wyss Center and is Appointed Professor at EPFL and University of Geneva 3Virtual Finger Enables Scientists To Navigate And Analyze 3D Images Of Complex Biological Structures 2Virtual Finger Enables Scientists To Navigate And Analyze 3D Images Of Complex Biological Structures 3
... provide cost-efficient, easy to use ... sputum samples for testing, ALBUQUERQUE, N.M., Feb. 13 ... patented early lung cancer detection,testing and other cancer diagnostic ... to collect lung sputum,samples in an upcoming clinical study ...
... therapeutic antibody to be presented at AACR ... Special Conference on Cancer Stem Cells -, TORONTO, ... company discovering and developing the next wave of,antibody therapeutics, today ... cancer stem cell antibody will be,presented at the AACR Special ...
... Cellegy,Pharmaceuticals, Inc. (OTC Bulletin Board: CLGY) today ... merger agreement providing for the,acquisition of Cellegy ... held specialty pharmaceuticals company that is engaged ... for the prevention,of viral infections, including influenza. ...
Cached Biology Technology:Biomoda and Medical Acoustics Partner in Study for Early Detection of Lung Cancer in Veterans 2Biomoda and Medical Acoustics Partner in Study for Early Detection of Lung Cancer in Veterans 3ARIUS presents new findings showing therapeutic antibody inhibits human leukemic cancer stem cells 2ARIUS presents new findings showing therapeutic antibody inhibits human leukemic cancer stem cells 3ARIUS presents new findings showing therapeutic antibody inhibits human leukemic cancer stem cells 4Cellegy Pharmaceuticals Announces Signing of Definitive Merger Agreement 2Cellegy Pharmaceuticals Announces Signing of Definitive Merger Agreement 3Cellegy Pharmaceuticals Announces Signing of Definitive Merger Agreement 4Cellegy Pharmaceuticals Announces Signing of Definitive Merger Agreement 5Cellegy Pharmaceuticals Announces Signing of Definitive Merger Agreement 6
... many modifications to the original formulas in efforts ... play an important role in tissue,culture. A salt ... osmotic balance in the medium and to provide ... is as valuable today as when it was ...
Imject Freund's Complete Adjuvant (FCA)...
... long and short-term enriched housing for nonhuman ... quarantine and non-quarantine settings on a per ... utilizing our state-of-the-art social housing and nursery ... on site CDC quarantine facilities. Primate ...
... exceptionally sensitive nucleic acid gel stain has bright ... in gels, making it ideal for detecting dsDNA ... transilluminators. SYBR Green I nucleic gel acid ... electrophoresis, real-time PCR assays and bandshift assays. One ...
Biology Products: