Posts Tagged ‘physiology’

Speed Training and Dynamic Warm-ups Revealed.


-Excerpt from an article I read, thought I’d share…link below*

Picture a morbidly obese mouse, you know, the ones companies use to show as the “before” picture when marketing certain products.  Anyhow, let’s call him Jumbo. Jumbo is unique – he’s an ob/ob mouse. This is a mouse that becomes a type II diabetic, can’t stop eating, and packs away body fat like crazy. No matter how much you feed him, he won’t stop.
Poor Jumbo has a mutation in the gene coding for leptin – he’s totally missing it! His fat cells can’t properly communicate with his hypothalamus because he has no leptin. If you inject Jumbo with leptin, he’ll stop eating and lose weight, but the solution isn’t so simple for us non-mutants.  Most obese people don’t have missing or mutated leptin genes – they can make plenty of it. The problem is that in spite of leptin still finding and binding its receptors all over the body, no downstream message is sent. The system that senses leptin is broken.
This is called leptin resistance, a condition in which the brain can’t determine when body fat is at an okay level. The fat cells are sending leptin out to the hypothalamus to signal that fat stores are full. Leptin binds the receptors, but no downstream messages are sent. It’s like knocking on the door when nobody is home. In spite of all the extra body fat mass, the brain perceives starvation and orders fat storage. The kicker is that you’re also very hungry, and continue to eat more and more.
If you know anyone who just can’t stop eating like Jumbo, as tempting as it may be to instantly judge them, it’s likely not entirely their fault. Many obese people have metabolic systems that are simply broken. You can’t outrun Mother Nature, and if the leptin signaling is messed up, you can only control yourself so much.


For full article by John Meadows CSCS check out:  <;

The Forbidden (timing of) Fruit!.

Forgotten Exercise: Vacuums….

Lymphatic System Series (part 1 of 3)- Lymph.

When’s the last time you walked into the Doctor’s office and asked for a Lymphatic check-up or asked for a Lymph support formula at your local supplement retailer??  I’m gonna go out on a limb and say, probably not very recently…what I really mean is, for 99% of people the answer is NEVER!!  The problem is, how can anyone really be expected to show concerned for, or lose sleep over something they know almost nothing about!?   I’ll be the first to admit, only as of recently have I truly been able to grasp the importance of this intricate system…The Lymphatic System is something you learn about briefly during the Circulatory and/or Immune System chapter’s in Anatomy and Physiology 101, and unless you’re a Pre-Med student that’s the last you really hear of it.  Even then I believe it’s importance is grossly ignored among Medical Professionals as a whole…why??  I’m going to let you in on a little secret…if Doctors truly “cured” their patients, they’d be out of a job before they could say, “scamming ain’t easy.”  Oh, and another thing, if we properly implemented nutrition and exercise programs to prevent health issues…we’d no long need massive amounts of medications from one of the most highly influential “groups” looming over our Country’s government…Pharmaceutical Companies (aka, Big Pharm…follow the money trail people)!  Okay, okay, I digress…my intention for this series on the Lymphatic System has absolutely nothing to do with neither myself nor a political soapbox!
The Lymph System is a network of organs, lymph nodes, lymph ducts, and lymph vessels that produce and transport lymph from tissues to the bloodstream.  The lymph system is a major component of the body’s immune system.  Because this system is rather complex, as well as it is truly unique and interesting, I’ve decided to make this a 3 part series as not to overwhelm (bore) you with information.  As I’ve said countless times before…The better and more complete of an understanding you have of the how’s and why’s in which we all function as humans, the more likely you all are to adhere to some of the ways in which it’s possible to optimize the benefits of lymphatic drainage(which I will certainly delve into) .

Part One: Lymph- (Latin; lympha “water goddess”)
Fact- The human body contains four times more lymph than it does blood!!…That statistic still blows my mind!  I purposely throw it out there to being with in order to stress the mere abundance of lymph…which in turn should spark your interest about a fluid that literally saturates your entire body.  If it doesn’t, I hear ignorance is bliss…continue!!  For those looking to maximize every aspect in which you can ensure a happier, healthier, more fulfilling life, let’s start from the beginning.
Lymph is a clear- to yellowish white fluid made up of white blood cells, especially lymphocytes, the cells that attack bacteria in the blood.  A portion of lymph is comprised of a fluid from the intestines called Chyle; chyle is a milky white fluid containing emulsified fat and other products of digestion, formed from chyle in the small intestines and conveyed by the lacteals and thoracic duct to the veins ( definition).  Lymph in the body is analogous to your cities sewage system…nobody pays much mind to it until stops working properly or gets clogged.
In order to best explain the formation of lymph, let’s backpedal for a moment…Blood supplies nutrients and important metabolites to the cells of a tissue and collects back the waste products they produce, which requires a change of respective constituents between the blood and tissue cells.  However, this exchange is not direct but instead is effected through an intermediary called interstitial fluid or tissue fluid that the blood forms.  Interstitial fluid (ISF) is the fluid that occupies the spaces between the cells and constitutes their immediate environment.  As the blood and the surrounding cells continually add and remove substances from the ISF, it’s composition continually changes (the process of  movement by which these fluids travel throughout the body will be discussed in depth in parts 2 & 3).  ISF forms at the arterial (coming from the heart) end of the capillaries because of the higher pressure of blood compared to veins, and most of it returns to its venous ends and venues; the rest (1%) enters the lymph capillaries as lymph.  Thus, lymph when formed is a watery clear liquid with the same composition as the ISF.  However, as it flows through the lymph nodes it comes in contact with blood, and tends to accumulate more cells (particularly, lymphocytes) and proteins.
Unlike the cardiovascular system, the lymphatic system is not closed and has no central pump.  Lymph transport, therefore, is slow and sporadic.  As lymph circulates, it is pulled into the lymphatic system, an extensive network of vessels and capillaries which is linked to lymph nodes, small nodules which act as filters to trap unwanted substances in the lymph.  Lymph nodes also produce more white blood cells, refreshing the lymph before it’s pumped out of the lymphatic system and back into the body.  Lymph may not be as “showy” as blood, but it is related to an equally complex and ornate system of vessels…This is a good stopping point, by now I hope you have a better understanding about lymph, as well as, a brief introduction to the lymphatic system as a whole, and more importantly a preview or glimpse into part two of this series, where I’ll get into the circulation and re-circulation of lymph and the vessels that make it all possible.

Human Energy Systems & Metabolism.

Who Said That?…...

    One of my early mentors in bodybuilding used a phrase to explain ones relationship w/ the scale.  “The scale doesn’t lie, but it sure don’t tell the truth!”  How is that possible!??  Allow me to start by tackling the age old question- “What’s the difference between losing weight and losing fat?”  The common belief is that if you simply reduce your caloric intake you will lose weight and change your body composition.  This approach becomes flawed very quickly!

“Action is the fundamental key to all success.” -Pablo Picasso

    When the body experiences a continual decrease in caloric intake, it will lose both fat and muscle.  As a result, the numbers on the scale will drop twice as quickly.  However, muscle comprises a machinery necessary to burn fat.  If you lose this fat burning machinery, your body will not be able to maintain the weight loss (less muscle = fewer calories burned).
When attempting to lose “weight” the primary goal is the retention or increase of the present lean muscle tissue, which will enable you to burn more fat and eat more food.  Typically, when designing a weight loss program often times people initially state that they won’t be able to consume the amount of food recommended.  However, it generally does not take long for most clients to become accustomed to, and enjoy the quantity of food.  Additionally, the elevation in caloric intake becomes necessary in order to increase lean muscle mass.  As previously stated…by increasing your lean muscle tissue this will increase ones ability to burn fat!

“Believe in yourself!  Have faith in your abilities!  Without a humble but reasonable confidence in your own powers you cannot be successful or happy.” -Norman Vincent Peale

Bottom Line…
Accomplishing muscle hypertrophy and/or body fat reduction requires continual manipulation of food consumed (potential energy measured in calories) and food used (work measured in calories).  When these two factors are equal (energy balance), there is no change in body mass.  This is also the state the body constantly strives to maintain.  In other words, every time the human body experiences an energy imbalance (mandatory for body mass change) it’s job is to bring the energy back into balance.  The body accomplishes this by adapting to the exercise and/or energy input (diet) and ultimately reaches a plateau.  At this point, an adjustment must be made in the energy output (exercise) and/or energy input (diet), if progress is desired.  The bodies obligatory response to energy imbalance creates the need for continual manipulation of food and work in order to achieve continuous progress.
The key to favorably altering body composition is to direct the body to use it’s stored fat to supply the extra calories needed to sustain or build muscle, therefore, simultaneously reducing the fat stores.  This is building or sustaining muscle at the expense of body fat.  This is the art and science (the fun stuff) of favorably altering body composition until you reach your goal.

People Don’t Plan to Fail… They Fail to Plan!.