00:00
Inguinal region, the thing,
most important bit.
00:06
Do you want to sit down
for one minute?
Inguinal region, what you
need to remember,
the inguinal canal,
boundaries, contents.
00:16
Now, unfortunately,
it is so much of theory.
00:20
I can't explain the
inguinal canal.
00:23
So, you have the external oblique coming here,
internal oblique that way.
00:27
So, this essentially forms
your anterior and superior part.
00:30
Can you get it?
It's like a canal, like a tunnel, isn't it?
So, your external oblique
and the internal oblique
essentially forms the superior
and the anterior part.
00:41
This part is the
inguinal ligament
and posterior wall is
transversalis fascia.
00:47
This is all you
need to know.
00:49
But then when it comes
to the medial side,
you have the
conjoint tendon
because that's conjoint
tendon between the
internal oblique and
the external oblique.
00:56
You also have a little bit
of the lacunar ligament.
01:00
You need to remember
this concept.
01:02
External oblique going this way, internal
oblique coming and this is your roof.
01:11
Okay. So, what are the contents
of the inguinal canal?
So, you have the spermatic cord
and in male, ilioinguinal nerve.
01:20
In female, round ligament of the uterus
and ilioinguinal nerve.
01:24
So, those are
the contents.
01:26
So, coming down here,
scrotum, spermatic cord,
What are the contents
of the spermatic cord?
Pampiniform plexus or veins,
cremasteric artery,
Vas deferens you mean?
Vas deferens, yeah.
01:51
Spermatic fascia, internal
and external
Very good.
01:54
So, the easiest way to remember
is rule of threes.
01:57
You have three fasciae,
three nerves,
three arteries,
and three other structures.
02:04
So, the three fasciae
are internal spermatic fascia,
external spermatic fascia,
and cremasteric fascia.
02:12
These three fasciae are essentially
the extension of your external oblique,
internal oblique,
and transverse abdominis.
02:20
These are the extension.
02:22
So, they are called
external spermatic fascia,
internal spermatic fascia, cremasteric fascia,
so three fasciae.
02:28
What are
the three arteries?
Cremasteric artery.
02:30
Cremasteric artery, testicular artery,
and artery to the vas deferens, three arteries.
02:38
Three nerves:
genital branch of the genitofemoral nerve.
02:44
Then you have
some sympathetic nerves.
02:46
The third one we normally talk about
is ilioinguinal nerve,
although it’s outside the canal,
outside the spermatic cord.
02:55
What are three
other structures?
Vas deferens, lymphatics,
and pampiniform plexus or veins.
03:07
Those are your
spermatic cord structures.
03:13
So, that brings us to the femoral triangle,
left side, femoral triangle.
03:27
I’ve drawn the
femoral artery here.
03:29
What’s here?
Femoral vein.
03:34
Here? Nerve.
03:40
Vein, artery, nerve, so, NAV.
Nerve, artery, vein...
03:47
Out of this, what is within the femoral sheath
and what is outside?
No, nerve is outside.
Nerve is outside the femoral sheath.
04:01
Artery, vein, and the femoral canal
is within the femoral sheath.
04:10
So, artery, vein,
femoral canal.
04:16
Significance of femoral canal,
femoral hernia strangulates.
04:20
What are the boundaries
of the femoral canal?
Medially, lacunar ligament.
04:31
Well, here.
04:32
Posteriorly, inguinal ligament,
no, no, no, no.
04:42
Hang on a minute.
It’s this way.
04:45
It’s coming out this way.
Here is inguinal ligament.
04:51
What ligament is this?
Pectineal ligament, pectineal ligament.
04:55
What is on the medial side?
It's a lacunar ligament
or even more part of the conjoint tendon
coming off your arch.
05:04
Laterally,
you have the femoral vein.
05:06
So, essentially, the point is there is no scope
for it to expand.
05:10
It is tight in all
the four areas.
05:13
So, the only area it can expand
is onto the femoral vein.
05:17
So, that's why
it's so dangerous.
05:19
Inguinal ligament,
pectineal ligament,
or tight ligaments,
it doesn’t move at all.
05:26
Then in the middle side is
we are so close to the bone,
to the pubic symphysis or the tubercle.
So, nothing to expand.
05:32
On the lateral side,
you have the femoral vein.
05:34
All these are part
of the femoral sheath.
05:37
This is outside
the femoral sheath.
05:39
What else do
you have here?
Lymphatics, some lymph nodes,
Cloquet's node and the inguinal lymph nodes.
05:47
What muscle is this?
Sartorius, adductor?
This is adductor magnus.
Which part of adductor magnus?
Yeah, that’s fine.
06:05
The way the adductor magnus muscle
is like this.
06:14
This part is your middle border.
This is the lateral border, sartorius.
06:22
These are
your contents.
06:25
What is the floor
of the femoral triangle?
What are the muscles
on the floor of the femoral triangle?
I'm sure you know this.
06:40
Tell me what happen,
how do you do flexion of the hip?
It was in the iliacus.
Iliacus, psoas, what else?
Pectineus, so that’s why you have
the pectineal ligament.
06:51
Remember? That's why you have the
pectineal ligament at the back
because you have the pectineus,
iliacus, and psoas,
PIP, pectineus, iliacus,
and psoas.
07:02
Those are the boundaries,
the contents.
07:06
Will you stand up for me,
please?
Do you mind standing on a chair?
Is that too much to ask?
No. I'll stand. Sure.
07:15
Thank you.
07:17
I’ll just quickly because otherwise,
you won't be able to see from there.
07:22
Basically, we come up
to the apex of the triangle here.
07:27
That’s the apex
of the triangle.
07:29
This is where
the adductor longus,
that’s the sartorius
and the adductor longus is here.
07:39
This forms the subsartorial canal,
also called the Hunter’s canal.
07:43
So, from this point onwards,
the femoral artery
goes from the anterior compartment
to the posterior compartment
and begins
the popliteal artery.
07:53
Likewise, the femoral vein
comes from the posterior compartment
to the anterior compartment
and forms the femoral vein.
08:01
The femoral nerve
comes from here.
08:04
What happens after
this femoral nerve?
What is the name called?
Sensory, yeah.
08:12
What's the name? No.
Saphenous nerve. Yeah.
08:18
So, the femoral nerve is a sensory nerve,
sorry, is a mixed nerve.
08:23
It's more until there.
Beyond this, it becomes sensory.
08:29
It is called the saphenous nerve
which accompanies a long saphenous vein.
08:37
So, that's the Hunter's canal.
08:39
What's the nerve supply to the
anterior compartment of the leg?
Femoral nerve.
08:43
What’s the nerve supply to the
middle compartment of the leg?
Obturator nerve, okay.
08:47
Do stand down for a minute.
I’ll just explain to them.
08:50
You can
sit down.