Flight or Fight Mechanism Explained In A Simple Way – Autonomic Nervous System Dr. Berg | DrEricBergDC

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you know a lot of times when you go to

the doctor and they do all these tests

specially blood tests things don’t show

up and so that would mean that those

symptoms could be subclinical or below

they’re very sensitive they might be not

showing up on conventional tests yet

because their early symptoms of a

condition that takes years to develop so

there is a test that I do in my clinic

that’s very very sensitive and it picks

up the beginning stages of different

situations okay but in order to explain

that I have to explain what it’s

measuring and there’s a system in the

body called the autonomic nervous system

a n-s if you’ve ever taken anatomy

physiology you’ve heard about the

autonomic nervous system autonomic

meaning kind of the involuntary

automatic system that works on autopilot

you don’t have to even think about

breathing or your heart rate because it

just automatically goes so this system

is the system behind all other systems

it’s behind the endocrine system it’s

behind the organ system and it’s kind of

like a part of the nervous system that

regulates on and off functions or hyper

or hypo so if you had a little light

switch and you had a little rheostat or

a little dial that to turn up the light

and down that would be what this system

controls is the turning up and the

turning down of different organ and

glenn functions okay so there’s two

divisions one is called the sympathetic

and that would be another name for that

would be the flight or fight mechanism

and that is the stress state it’s your

body’s ability to react to stress if

there’s a lion there you can either run

away or fight the lion if a car is on

your child you would try to lift the car

over the child and get this incredible

adrenaline rush

so the sympathetic nervous system kind

of runs on adrenaline and other hormones

that activate or turn things on so if

you can imagine in a certain stress

state all the different body reactions

that occur that would be controlled by

that part right here okay so that’s like

the on switch now we also have the

switch which is called the

parasympathetic and that has to do with

more rest sleep and digestion so you

can’t digest you’re being chased by a

tiger

you can’t reproduce if you’re being

chased by a tiger so in body when these

bodies are in stressed states they have

reproductive problems they have hormone

problems they have digestive problems

and they can’t sleep so this we consider

the system that helps relax you and calm

you down and so these things are

constantly going back and forth so if

you can imagine in a total relaxed state

all the different body functions that’s

when you’re healing that’s when you’re

that’s when your metabolism is working

so this system measures all those

functions ok so we go back and forth so

this would be more like the reaction to

stress this is more of the ability to

recover from stress now what’s really

cool is there’s a test to measure both

of these systems and it’s a technology

developed by the Russians in 1990 called

the heart rate variability and there’s

over 2,000 studies and even certain

cardiologists use this as a predictor

for mortality from cardiovascular

incidence I don’t use that for that

purpose I used it mainly to measure

stress in the body so the heart rate

variability technology will measure

information between the heart beats to

assess the nervous system that’s

controlling the different functions of

the heart and from there we can kind of

get an idea what’s going through the

entire body ok so that’s what this test

is and and I want to just explain the

two scenarios we can actually visualize

what’s going on with stress in the body

we can actually see stress in your body

and see how it’s affecting your body and

see how you’re reacting to it in a

normal body this graph this line should

be totally plumb up and down like

there’s no Tigers in the room that

there’s you know the walls are safe

everything’s calm and everything should

be chilled out but when you measure

someone a lot of times it’s stuck in

high mode yet their their body’s

reacting to stress but there’s no stress

there so they’re basically kind of stuck

in something

in that state you might find them

thinking a lot analysing they can’t turn

it off they can’t relax so that would be

that state they’re kind of stuck in

stress even when they’re sleeping and

then we get a loss of that overtime when

you’re stuck in stress when you’re

burning out you end up burnt out and

then this tall dial goes to the left and

that would describe someone who kind of

lost their vitality their get up and go

mojo there and they feel like they’re

lazy they feel like you’re tired they

just can’t seem to get going and so

that’s what happens when this goes down

here because now their body doesn’t

react to stress anymore

another physiological thing would be if

they were to exercise and the pulse rate

doesn’t go very high so this does

control the pulse rate okay now over

here the parasympathetic it’s measured

by a smaller dial right there so we

measure that too and normally that needs

to be all the way to the right okay

because you should always have a little

bit more of this than this because it’s

like your buffer reserved to stress so

if you’re being chased by a tiger you

need you need to be able to have enough

reserve to get away and then recover

from that so it’s really the like once

you are done being chased by the tiger

how fast is your body come back and

recover how fast can you recover from

stress how fast can you recover from

exercise and if this brings the pulse

rate up when you’re exercising this will

bring it down after you stop exercising

okay if you work out and you’re extra so

your pulse rate stays high for a long

period of time then you don’t have a

good system that can recover that that’s

a very unhealthy state so this is

another system that measures kind of

like your ability to recover from stress

and this is an active recovery so your

body is constantly working to recover

from stress so if there’s a problem with

this if this dial goes right here and

the more it goes to the left your

tolerance for stress is affected people

get on your nerves easily you have no

pain

you don’t sleep you don’t relax and it

kind of severely affect your metabolism

okay so those are the different

mechanisms and there is a test to

measure these and it’s very valuable

especially in determining what exercise

the person needs kind of where they’re

at on the body and then there’s also

techniques that I do to extract the old

stress from the body using acupressure

to make a difference so I’ve been doing

this for like 25 years so I’m able to

manipulate the changes in this graph by

doing before-and-afters so I hope this

was helpful and it’s called the

autonomic nervous system and then it’s

called heart rate variability