All right. Got everybody back. Cool.
Okay, so we're gonna
go over deltoids.
you call it shoulders if you want my
muscle group listing that I refer to as deltoids is
a little bit bigger than what we typically think
of which is just like the anterior middle and post adults
in terms of that same family of muscles. I
am going to include the muscles that attach
on the underside which are going to be the coracobrachialis,
right the Terry's major
in the Terry's minor. So basically muscles that
attach between the humerus and the scapula
man into the movement but not the Deep muscles
of the rotator cuff like the infraspinatus the
super spinatus and the subscapularis,
right? So basically everything that has
somewhat of a moment to flex extend the
shoulder AB ducted to
some major degree in here. Okay, so our
deltoid complex here, which
for whatever reason
it's just up here.
Move that's just a fast. I need more than
the fashion, please.
deltoid
Left there we go. Cool.
Alright and go away faster, okay.
So what we've done is we have
kind of drawn the separate divisions
of the deltoids on here and we've
kind of labeled along the bones are
they originate so you can get an idea of what their
relative line of poll is going to be. So we labeled
this basically is one two three.
Then the middle delt and then one two three
going around to the posterior delt,
right? So you guys can kind of see that.
And the reason that we did it that way is just to make it very simple
because the path of motion for your one
division of your anterior delt is
going to be the same motion as the one division
of your posterior delt. Those two are going
to be antagonistic to each other the twos are antagonistic to
each other the three protagonistic to each other and the
middle dealt is going to be antagonistic to
the Terry's major that sits
on the underneath side. So the
reason that like the middle delts kind of like this pulling away
from the scapula. Well, the opposite muscle is
the muscle that pulls the arm literally right back
down into the scapula, which is
the teres major. Okay. So looking
at here
We're gonna have three divisions of the anterior delt.
And essentially we're going to go like this.
The one division which is the most medial on
the clavicle. So you have your you know, your clavicular pecs.
Okay, and then the next
thing out is that one or that medial
division of the anterior dealt. So the clavicular pecs
finished shortening under the chin.
The anterior dealt next slot actually going
to be for most people.
Right over the chin. So it's going to be coming like this and it's
going to be in a little bit more internal rotation right here.
Okay the next division out.
Is gonna be as if we are kind of coming in towards your
ear, right? So think of like, all right,
if you were doing a press this way or raise you'd actually
be coming in towards the ear.
And then the third division which is actually on
the lateral portion of the shoulder. So I'll
tip this so you guys can see so the third division
is no longer on the cloud, but it's
actually the first one that connects to the scapula
right? And so it's comes around out to
the side now so that one is going to be more abductiony as
if you're gonna take your arm, okay and
put it towards like the back of your head, right? So
it's basically one slot closer than the
middle deal which is going to be your scapular plane, which would be like kind
of going behind your back right this way the
three or the most lateral division
of the anterior delt is like you're coming towards the back of your
skull so we got
chin
ear back of the skull and then scapular plane
middle delt
Okay, so our delts are covering a big
span here. Okay, so that's half
of the most or half of the positions there.
Okay. Now the antagonist side of that. So
the one that comes across here. The one here is gonna
pair with the one of the posterior delts. Okay,
which is more lateral. So we're actually going
to be going into this a/bduction and up.
So if you were thinking like the motion is going to be from here.
Right and it would be pulling out in that
same plane and up and you guys should find like there's a spot
right there where if you pull out and then up everybody should
feel like something just on the other side of their Middle Belt
actually start to tense up. Okay,
the two on both sides is the
most sagittal. So the one that's on the ear this side
right is going to come down and instead of straight back. It's just
going to be slightly out. So this is our typical rear delt
row type position where we're not in tight
to the ribs.
Or just flared out, you know, maybe about you know, 45 30
degrees ish from the ribcage, right? And
it's all of that extension if we want to be technical it would
be just just whatever slight external rotation
you had in that position would be the shortest position
there. Okay.
The three on the post side okay matches with
the three on the anterior side. So that was the behind the
head or I'm not behind head but back of the head. So this
one is going to come down. Right and it's going
to come just behind the scapula like so
so this is something that like we could finish with like a rear
delt pull down right would be more for the
most medial posterior delts.
The ones that are furthest in on the scapula. Those are gonna
have better leverage down here, right and they're gonna
get lengthened by pulling the arm up this way
towards the back your head. Okay, so going
full range of motion
there. Okay the ones
go from chin.
to abduction with
some whatever elevation you can get out here
here to here. It's kind of like if you're
shooting a high Arrow if you
will, okay?
the twos
go from ear.
To back and just slightly out that full extension
slot.
Okay, the threes go from back of
your head.
Right to tucking just behind
the scapula.
Right and then the middle dealt?
Is scapular playing up?
And then right into the scapula so scapula plane
down. So that's our lateral raise coming from
just on the back side of the butt.
Right. Okay, so we have four paths. Okay. You
can load it neither Direction.
And train either the anterior and
middle delts or you can load it the other direction and you'll
be training the posterior delts.
or
the scapular plane
Terry's major