Hey guys, so, I want to introduce you to
an exercise that I really like doing,
And it's something that's very important,
and it's gonna be in a lot of assignments throughout this course--
And that's tracings.
We're gonna be doing tracings over photographs,
And the reason that this is important is because
It tests your knowledge of the muscles.
If you don't know what the forms are that you're looking at,
all those bumps and striations,
then you don't know the anatomy of that area,
so you need to go back and study it.
So, doing these tracings is really good,
to expose our weaknesses,
And it's also just good practice of identifying
the muscles, and the bone landmarks, and
all the forms that you see on the surface.
So, this is the example I'm gonna show you of the exercise,
and then, in the description of this video,
I'm gonna have a link where you can download
a few more photographs.
And, your assignment for this week
is to do the same thing that I'm gonna show you here.
Let's do a tracing...
...and, you can do it in Photoshop, like I'm doing in this video,
Or you could actually print out the photo,
put a piece of tracing paper over it,
and... just draw right on top of it.
That's fine too.
And if you want to post it online,
and get a critique of it,
just scan it--
But obviously, the cleanest way
is to just do it in Photoshop:
Add a layer on top of the photograph
and just draw right on top of it.
So, let's go ahead and get started.
I know I haven't taught you any anatomy yet,
so, for now, you'll have to rely on my examples
or diagrams from books or online.
Throughout this course,
you'll be doing these quick anatomy studies,
and, as the course progresses,
you'll be getting more and more familiar with all the parts.
Right now, I just wanna introduce you to this exercise,
and have you try it,
so you can document where you're starting from.
So, you can see that I'm starting this one
at the top, with the trapezius muscle.
It's a good one to start with
in a back study,
because it's so large,
and usually, easier to see the borders of the muscle.
You can see pretty clearly
on this guy, the outline of the trapezius.
Right in here, though,
right by where it connects to the scapula,
it gets a little confusing.
The bumps kinda all just...
...end in this general area.
So right there, where I was indicating
the beginning of that line,
that's the corner of the scapula,
and that's kinda where things start to turn.
So, to the right of that,
that I just drew,
is the attachment of
the first head of the trapezius,
and now I'm doing it on the other side,
and all of that just attaches
along the spine of the scapula.
Alright.
Soon as it gets to about right here,
to the corner,
where the spine of the scapula meets the inside border.
It takes a sudden turn,
and that's where the muscles is- alright, so
Right there.
See that part?
That's the border of the bottom head.
And, as soon as it reaches the scapula,
you're gonna have a tendon, right there,
that little line right there, that's a tendon.
So, that part is gonna be flat--
you're not gonna see a bump
of the muscle.
The muscle ends right there...
...right there...
...and then,
it continues...
and connects to the spinal scapula
on the bottom,
with a tendon.
That's why you're seeing a corner there.
There's no meaty part of muscle; there's just tendon.
Okay. So, moving onto the deltoids.
The deltoid also attaches to that spine of the scapula;
you can see the bottom portion points right at
the tendon of the trapezius,
and it swings around,
and goes all the way to the lateral side of the humerus.
Then swings back around to the front,
and attaches to the clavicle.
So, the deltoid actually has three heads
to it- well, it's got the front,
the lateral,
and the back.
So.
I like to identify the three heads,
when I'm outlining the border.
So that
lateral head
you can see, it attaches to the
to the end of
the spine of the scapula;
and then the
front and back heads,
they extend a little bit further,
to attach to the clavicle,
and the scapula.
And, same thing in here-
See how...
After the bump,
the meaty part of the deltoid,
and, there's still
a tendon, that extends to
Roughly about the same spot
as where the tendon of the trapezius attaches in.
Okay. Same thing on the other side;
Right there, there's a tendon area,
and it swings around to the front;
there's a separation at the front lateral head,
and then, the ending of that meaty part
and the beginning of the tendon.
And, I'm just indicating
an edge,
for that spinal scapula,
and creating a ridge,
where everything connects.
Now, I'm moving on to the teres major--
--and latissimus.
Which is really stretched out in this pose;
he's lifting his arms, and...
...it's stretching out the teres major all the way up there.
So, very thin--
--and also, the scapula is rotated forward,
So,
you're not seeing all of it.
So, it's very subtle, but...
It's enough to
still create this bump
of the lat that goes over it.
So, you can see how on the bottom,
there is an overlap.
The lats swing in,
and under the trapezius,
to the spine.
I am indicating the border of the scapula...
...'cus that is where the teres major will connect.
Right on that bottom corner.
Some directional lines
for the infraspinatus.
'Kay, moving up here.
We've got the seventh cervical
vertebrae.
And, I'm seeing a few bumps there; it's actually
I'm actually seeing
The seventh cervical, and a very
subtle indication of the first
thoracic, as well.
And that's pretty common.
Sometimes you'll see the two, kinda...
Merged together, in one large bump,
and the bump is so large,
that it's obviously not just one vertebrae.
It's like a grouping of them.
But they're all softened out by
all the stuff on top of it.
Okay, you've got the ridge muscles
of the arm,
and the brachialis,
and under that,
bicep.
Same thing on the other side.
And, tricep.
And I'm actually seeing...
Lateral head
And the long head
of the tricep, there,
with a tendon
that connects to the elbow
inbetween the two.
Okay, little gap in there, that's where
you got the spine,
and at the bottom,
usually see--
the erector group.
They're like two pipes
on the lower back,
coming down to the tailbone.
See right there, I found the
iliac crest of the pelvis,
and I found that because you can see where the
oblique muscle on the side
kinda comes to a corner at the bottom
and then it becomes
the gluteus.
So, I knew that that little point
was the iliac crest.
And then...
I just extended the lats
down to
the crest,
more in towards the middle.
You can see the lat muscle.
It's pretty large; it...
Covers...
Probably about...
...half, maybe a little less than half, of the back.
But you can see
things underneath it.
Like the erector group
that I was talking about;
that was the little...
Pipe-like muscles
in the middle of the back.
Those are underneath the
sheet of the lat,
but you can see the volume poke through.
Because...
The meaty part of the muscle
actually ends
right where I'm drawing, right now
and then after that, it's just a thin...
...tendinous sheet.
Having a little trouble with that shape.
Probably should have just started with a gesture line,
and then added the smaller...
...segments.
That's what happens when you start with details.
And then, the erector group actually has
ah, this...
Volume that comes out
on the side as well.
Not seeing too much of that there,
but I think I see a little indication of it,
so I'm just adding it in.
M'kay, now I'm just kind of going in, and...
I like to add
Some lines to describe the direction
of the muscle fibres.
It looks cool, just makes the drawing look a little bit better.
And actually, this...
Shows that you know
Where the muscles attach and insert
'Cus if you just know the shape,
Well, it's...
Gonna hurt you when you start
To shade in some of the halftones, or just
become spots, instead of actual
indications of fibres, or...
And also, just knowing the direction of the fibres
helps you to understand the muscle function.
So, I like to add that.
You can also,
instead of doing the fibres,
you can try doing cross-sections,
or cross-contours, I mean,
of the volume
so,
that's good to show that you're understanding
the actual volume;
you know, if it's a round shape,
or if it's more flat, or
square-ish,
but
for this one I'm doing the muscle fibre direction.
It also helps to show the volume, too.
And know that the cross-contour
will definitely help with that.
But...
The muscle fibres, in a way,
are kind of a cross-contour, here,
wrapping those blinds around the volume
So...
You should...
Show some curvature,
depending on which way that muscle
wraps.
If you're just doing straight lines everywhere,
that's gonna flatten it.
'Kay, so now I'm going to be adding some white
areas; I like to make it
clear what's muscle and what's
tendon, or some kind of sheet.
So I added another layer,
underneath
the
muscle line that I drew,
and above the photograph,
so it's inbetween the two,
and I just got a white colour,
and I'm just shading in those...
...areas.
This is bone
of the scapula
and you can see, it really helps
to pop the muscles, too.
That's the spine, right there.
All the tendon in this area, from the trapezius.
And inside that, I was about to shade it,
but then I remembered, that's actually
That's muscle underneath there.
The rhomboids.
And...
Give this one a direction,
depending from the lat.
Now, just a little line...
Show the ridge
The border
of the scapula
A little ridge, there
for the iliac crest
at the pelvis...
...and just do a little cleanup work.
Make it look nicer.
And right there,
is...
a tendon from the deltoid.
And that's how you do an anatomical tracing.
Go ahead and download the images
from the description,
so you can do the assignment for this week.
Post it on Facebook, Twitter, or Instagram,
and definitely post it in the facebook group
I created specifically for this course.
You can find the group
'Anatomy for Artists'
at facebook.com/groups/anatomy4artists
and 4 is the number four.
It's a community where
students of the course can post exercises,
critique each others' work,
ask questions,
post useful anatomy content,
and basically help one another learn anatomy.
Try to help each other.
I probably won't be able to give
a personal critique to every person
watching this,
but you guys can still help each other
by participating in the facebook group.
This week, the premium section has
four more examples of anatomy tracing.
It's the same photos
that I'm assigning for this exercise,
so, if you wanna see me do it
after you try it,
it's available in the premium section.
proko.com/anatomy
Okay. Thank you for watching
and thank you for sharing this with your friends.
Buh-bye.