Navigation Links
Lactic acid not athlete's poison, but an energy source - if you know how to use it

In the lore of marathoners and extreme athletes, lactic acid is poison, a waste product that builds up in the muscles and leads to muscle fatigue, reduced performance and pain.

Some 30 years of research at the University of California, Berkeley, however, tells a different story: Lactic acid can be your friend.

Coaches and athletes don't realize it, says exercise physiologist George Brooks, UC Berkeley professor of integrative biology, but endurance training teaches the body to efficiently use lactic acid as a source of fuel on par with the carbohydrates stored in muscle tissue and the sugar in blood. Efficient use of lactic acid, or lactate, not only prevents lactate build-up, but ekes out more energy from the body's fuel.

In a paper in press for the American Journal of Physiology - Endocrinology and Metabolism, published online in January, Brooks and colleagues Takeshi Hashimoto and Rajaa Hussien in UC Berkeley's Exercise Physiology Laboratory add one of the last puzzle pieces to the lactate story and also link for the first time two metabolic cycles - oxygen-based aerobic metabolism and oxygen-free anaerobic metabolism - previously thought distinct.

"This is a fundamental change in how people think about metabolism," Brooks said. "This shows us how lactate is the link between oxidative and glycolytic, or anaerobic, metabolism."

He and his UC Berkeley colleagues found that muscle cells use carbohydrates anaerobically for energy, producing lactate as a byproduct, but then burn the lactate with oxygen to create far more energy. The first process, called the glycolytic pathway, dominates during normal exertion, and the lactate seeps out of the muscle cells into the blood to be used elsewhere. During intense exercise, however, the second ramps up to oxidatively remove the rapidly accumulating lactate and create more energy.

Training helps people get rid of the lactic acid before it can build to the point where it causes mu
'"/>

Source:University of California - Berkeley


Page: 1 2 3 4

Related biology news :

1. Growth in biomass could put US on road to energy independence
2. Hydrogen and methane provide raw energy for life at Lost City
3. Study of energy and health in Africa focuses spotlight on charcoal and forest management
4. UCSD study clarifies insulins role in blocking release of energy in patients with type II diabetes
5. Ethanol and biodiesel from crops not worth the energy
6. Free-energy theory borne out in large-scale protein folding
7. Odd energy mechanism in bacteria analyzed
8. Environmental metagenomics diagnosing extreme environments, tapping opportunities for clean energy
9. Taking evolutions temperature: Researchers pinpoint the energy it takes to make a species
10. Johns hopkins researchers find link between cells energy use and genome health
11. Research highlights how bacteria produce energy
Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Lactic acid not athlete poison but energy source you know how use

(Date:10/16/2014)... Institute of Marine Science have received a 3-year, ... identify the streams and wetlands most vulnerable to ... local governments and citizens conserve these important ecosystems. ... of tidal-marsh observations first gathered by VIMS scientists ... can today,s researchers accurately map the slow but ...
(Date:10/16/2014)... monocultures can be cultivated efficiently, they are anything ... caused by monoculture cultivation is becoming increasingly evident. ... crop form and are regarded as the sole ... – quite wrongfully, finds Bernhard Schmid, an ecology ... a novel form of agriculture and forestry. After ...
(Date:10/16/2014)... , October 16, 2014 NXT-ID, Inc. ... the "Company"), a biometric authentication company focused on the ... leading edge technologies including Wocket™, the Smart Wallet, at ... Conferenece. FiRe is a leading global conference on the ... Hosted by Mark Anderson , founder and publisher ...
Breaking Biology News(10 mins):EPA grant will help localities conserve headwater wetlands 2EPA grant will help localities conserve headwater wetlands 3Plant communities produce greater yield than monocultures 2Plant communities produce greater yield than monocultures 3NXT-ID Inc. to Present at 13th Annual FiRe Conference 2NXT-ID Inc. to Present at 13th Annual FiRe Conference 3
... Do you find yourself leading groups, or are you ... if you want to be a leader you,re better off ... middle of the action. In a series of experiments ... Biological Sciences at the University of Leeds also found that ...
... of new neurons in the adult brain is well known. ... structure lining the lateral ventricles. This is where neural or ... neurons if needed. For many years now, the subventricular zone ... brain tumors called gliomas, the most deadly type of which ...
... attacks by herbivores or pathogens by activating defense programs ... defense responses require a great deal of the plant,s ... growth and reproduction. So, it,s very important to strictly ... the jasmonates, are crucial in this process and ...
Cached Biology News:Follow the leader: How those in charge make themselves known 2Brain tumors: Tissue stem cell turning into tumor stem cell 2Biologists discover an on/off button on plants' alarm system 2
(Date:10/22/2014)... Shimadzu Scientific Instruments introduces its Open Solution QuantAnalytics(TM) ... management and clinical markets. The software increases the speed ... users to highlight and review results that are of ... to filter results by group or based on a ... need to sift through analytes of no interest. In ...
(Date:10/22/2014)... Hill, SC (PRWEB) October 22, 2014 ... expansion of its cardiovascular pharmacogenetics menu, which enables ... patient outcomes. With PCLS’s evidence-based results, healthcare ... needs and optimize their therapy, while minimizing risks ... In the U.S., according to the FDA [1] ...
(Date:10/22/2014)... Research and Markets  has announced the ... by Application, Geography - Global Analysis and Forecast (2014 ... Organic electronics, also called as polymer electronics or ... deals with small conductive molecules and electrically conductive polymers. ... polymers are carbon based, made using synthetic strategies developed ...
(Date:10/20/2014)... PARK, Calif. , Oct. 20, 2014 /PRNewswire/ ... today that the Company has signed a Notice ... of Regenerative Medicine (CIRM), effective October 1, 2014.  ... Clinical Development payments and the release of additional ... million CIRM grant award for clinical development of ...
Breaking Biology Technology:Shimadzu Releases QuantAnalytics Open Access LCMS Software Package for Clinical Applications 2PCLS Announces Expansion of Cardiovascular Pharmacogenetic Testing Menu 2PCLS Announces Expansion of Cardiovascular Pharmacogenetic Testing Menu 3Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 2Global Organic Electronics (Semiconductor, Conductive, Dielectric and Substrate) Market - Analysis and Forecast (2014 - 2020) 3Asterias Biotherapeutics Announces Notice of Grant Award with CIRM for Phase 1/2a Clinical Trial of AST-OPC1 in Complete Cervical Spinal Cord Injury 2Asterias Biotherapeutics Announces Notice of Grant Award with CIRM for Phase 1/2a Clinical Trial of AST-OPC1 in Complete Cervical Spinal Cord Injury 3Asterias Biotherapeutics Announces Notice of Grant Award with CIRM for Phase 1/2a Clinical Trial of AST-OPC1 in Complete Cervical Spinal Cord Injury 4
... a privately-held biotech company using its proprietary platform technology ... gastrointestinal diseases, announced today that it has elected Christopher ... Inc. to its Board of Directors. ... on our Board," said Dr. Barbara Fox, founder, CEO ...
... Inc. (Nasdaq: SGMO ) today announced that the ... Wednesday, May 2, 2012, after the market closes. The press ... p.m. ET, which will be open to the public via ... review the financial results and discuss other business matters. ...
... 2012 The rise of the corporate ... investing are emerging key themes at BioTrinity, the-premier European ... business network which provides comprehensive support for bioscience businesses ... The first day of the conference saw ...
Cached Biology Technology:Avaxia Biologics Elects Christopher Kiritsy to its Board of Directors 2Sangamo BioSciences Announces First Quarter 2012 Conference Call and Webcast 2Corporate Venturing and Early-Stage Financing in the Spotlight at BioTrinity 2Corporate Venturing and Early-Stage Financing in the Spotlight at BioTrinity 3
Mouse monoclonal [RIZ1723] to PRDM2/RIZ...
... OA-Hy cis- 9-Octadecenoyl-N-hydroxylamide ... LIGHT. PACKAGED UNDER INERT GAS. A potent ... dose-dependent manner (K i = 1.7 ... Soluble in EtOH or DMSO. Unstable in ...
... early protein. Can detect ... exhibiting an intranuclear inclusion staining ... 6-24 hours. These antibodies ... staining. No other nuclear ...
Mouse monoclonal [1241] to Parainfluenza Virus type 2...
Biology Products: