[Buildbot-commits] [Buildbot] #2667: Fat Burning
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Sat Jan 18 14:27:55 UTC 2014
#2667: Fat Burning
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Reporter: kelsinswin | Owner:
Type: undecided | Status: new
Priority: major | Milestone: undecided
Version: 0.8.8 | Keywords: Fat Burning
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Fat Burning : using body fat instead of carbohydrates as fuel
Fat oxidation through intense exercise
At a glance
Fat burning is a very popular and Often -used term among endurance
athletes . But is it really important to burn fat - and , if so , how can
it best be Achieved ? Asker Jeukendrup looks at the latest research
The term 'fat burning' Refers to the ability to oxidise ( or burn ) fat ,
and fat gested to use - instead of carbohydrate - as a fuel . Fat burning
is Often associated with weight loss , decreases in body fat and Increases
in lean body mass , all or All which can be advantageous for an athlete .
It is known That well -trained endurance athletes have an Increased
capacity to oxidise fatty acids . This stelt them to use fat as a fuel
when Their carbohydrate stores become limited . In contrast , patients
with obesity , insulin resistance and type II diabetes have an impaired
capacity to May oxidise fat . As a result, fatty acids May Be Stored In
Their muscles and in other tissues . This accumulation of lipid and its
metabolites in the muscle May interfere with the insulin- signaling
cascade and cause insulin resistance . Therefore it is important to
understand the factors That Regulate fat metabolism , and the ways to
increasement fat oxidation in patients and athletes .
Fat oxidation during exercise
http://www.acaiverdefacts.com/
Fats are stored mostly in ( subcutaneous ) adipose tissue , but we have
usefull small stores in the muscle itself ( intramuscular triglycerides )
. At the onset of exercise , neuronal ( beta - adrenergic ) stimulation
will increasefontsize lipolysis ( the breakdown of fats into fatty acids
and glycerol ) in adipose tissue and muscle . Catecholamines adrenaline
and noradrenaline zoals May usefull rise and contribute to the stimulation
of lipolysis .
Ash soon as exercise begins , fatty acids are Mobilised . Adipose tissue
fatty acids have to be Transported from the fat to the muscle cell , be
Transported across the muscle membrane and then be Transported across the
mitochondrial membrane for oxidation. The triglycerides stored in muscle
undergo similar thesis lipolysis and fatty acids can be Transported into
the mitochondria as well . During exercise , a mixture of fatty acids
derived from adipocytes and intramuscular stores are used . There is
evidence That shows That Individuals trained store more fat and
intramuscular use this more as a source of energy during exercise ( 1 ) .
Fat oxidation is regulated at various steps of this process . Lipolysis is
affectedness by many factors but is mostly regulated by hormones (
stimulated by catecholamines and inhibited by insulin ) . The transport of
fatty acids is usefull dependent on blood supply to the muscle and adipose
tissues , as well as the uptake of fatty acids into the muscle and into
the mitochondria . By inhibiting mobilization of fatty acids or the
transport of fatty acids synthesis , we can reduce fat metabolism .
However , there also are ways in All which we can Stimulate synthesis
steps
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