Osteology of Hip bone I Side side determination | Anatomical Position | Attachments | Applied

Summary

This educational video delves into the anatomy of the hip bone, also known as the innominate bone, highlighting its role in forming the pelvic girdle. It discusses the three main parts of the hip bone: the ilium, pubis, and ischium, and their fusion to form the acetabulum. The script explores the hip bone's articulations, including the pubic symphysis joint, sacroiliac joint, and the hip joint with the femur. It also covers the ilium's features, such as the iliac crest and its various attachments for muscles and ligaments, providing a comprehensive understanding of the hip bone's structure and function.

Takeaways

• 🦴 The hip bone, also known as the innominate bone, is an irregular bone that forms part of the pelvic girdle.
• 🔗 The hip bones, along with the sacrum, create the pelvic girdle, which is crucial for supporting the body's weight and protecting the pelvic organs.
• 🧩 Each hip bone is composed of three parts: the ilium, pubis, and ischium, which together contribute to the structure of the hip.
• 🍽️ The acetabulum is a cup-shaped hollow structure formed by the fusion of the three parts of the hip bone, serving as a socket for the head of the femur.
• 🕊️ The hip bone articulates with other bones in various ways, including the pubic symphysis, sacroiliac joint, and the hip joint with the femur.
• 🧭 The ilium is the uppermost part of the hip bone, characterized by its flat and expanded nature, and has distinct anatomical landmarks.
• 🏞️ The iliac crest, part of the ilium, extends from the anterior superior iliac spine to the posterior superior iliac spine and has various muscular attachments.
• 🌟 The ilium's anterior superior iliac spine is a key landmark for identifying the side of the hip bone and has clinical significance in certain medical procedures.
• 💪 Muscular attachments on the ilium include the gluteus maximus, medius, minimus, and the iliacus, each playing a role in movement and stability.
• 🔍 The sacropelvic surface of the hip bone includes areas for articulation with the sacrum and attachment sites for muscles and ligaments.
• 👍 The video provides a comprehensive overview of the hip bone's anatomy, highlighting its importance in the skeletal and muscular systems.

Q & A

What is another name for the hip bone?

The hip bone is also known as the innominate bone.

What does the hip bone form part of in the human body?

The hip bone forms part of the pelvic girder, along with the sacrum and the other hip bone.

How many parts is each hip bone composed of?

Each hip bone is composed of three parts: the ilium, pubis, and ischium.

What is the function of the acetabulum in the hip bone?

The acetabulum is a cup-shaped hollow structure that fuses the three bones of the hip and articulates with the head of the femur to form the hip joint.

What type of joint is the pubic symphysis?

The pubic symphysis is a secondary cartilaginous joint.

What is the sacroiliac joint and what type of joint is it?

The sacroiliac joint is formed by the articulation of the hip bone with the lateral end of the sacrum and is a plane variety of a synovial joint.

How can you determine the side of the hip bone you are holding?

The side of the hip bone can be determined by observing the ilium's flat expanded part, the acetabulum's facing direction, and the location of the obturator foramen.

What are the two ends of the ilium and what are their functions?

The two ends of the ilium are the superior and inferior ends. The superior end forms the iliac crest, while the inferior end fuses with the pubis and ischium at the acetabulum.

What are the three borders of the ilium and what are their attachments?

The three borders of the ilium are the anterior, posterior, and medial borders. They provide attachments for various muscles and ligaments, such as the sartorius muscle, the gluteus maximus, and the erector spinae muscle.

What are the three surfaces of the ilium and their respective functions?

The three surfaces of the ilium are the gluteal surface, the iliac surface, and the sacropelvic surface. They provide origins for muscles like the iliacus and the piriformis, and form parts of the sacroiliac joint.

What is the significance of the posterior superior iliac spine in terms of anatomical landmarks?

The posterior superior iliac spine is significant as it lies at the level of the L5 vertebra, marking the end of the subarachnoid space.

Outlines

00:00

🦴 Introduction to the Hip Bone Anatomy

The video starts with an introduction to the hip bone, also known as the innominate bone, which forms part of the pelvic girdle. It describes the structure and function of the hip bone, noting that it is made up of three parts: the ilium, pubis, and ischium. These three bones fuse at the acetabulum, a cup-shaped structure, and form a part of the pelvic girdle. The video explains the articulation points, such as the pubic symphysis and sacroiliac joints, and introduces the side determination of the hip bone.

05:03

💪 Detailed Anatomy of the Iliac Crest

The focus shifts to the iliac crest, which has a superior and inferior end. The superior end is known as the iliac crest and is divided into a ventral and dorsal segment. The ventral segment is further subdivided into three parts: the outer lip, inner lip, and intermediate area. Each part serves as an attachment site for various muscles, such as the tensor fasciae latae, external oblique, and latissimus dorsi. The segment also provides details on the attachments for the inner lip and intermediate area, including muscles like the transversus abdominis and quadratus lumborum.

10:04

🔍 Exploring the Gluteal and Sacropelvic Surfaces

The video discusses the gluteal surface, which is divided into four areas by three gluteal lines: posterior, anterior, and inferior. Each area serves as an attachment for specific muscles like the gluteus maximus, gluteus medius, and gluteus minimus. The discussion moves on to the inner iliac surface, which is concave and bounded by several borders. The sacropelvic surface, located behind the medial border, is divided into three parts: the iliac tuberosity, the auricular surface, and the pelvic surface. Each part has unique features and attachments, including ligaments and muscle fibers.

15:05

👍 Final Thoughts and Video Conclusion

The video wraps up with an overview of the anatomy discussed, particularly the importance of the sacroiliac joint and its ligaments. The segment highlights attachments for structures like the sacrospinous ligament and the origin points for muscles like the piriformis and obturator internus. The video concludes by encouraging viewers to like, share, and subscribe for more anatomy-related content, ensuring they stay updated on future videos.

Keywords

💡Hip Bone

The hip bone, also known as the innominate bone, is a large, irregularly shaped bone that forms part of the pelvic girdle. It is crucial for supporting the body's weight and facilitating movement. In the video, the hip bone is described as being homologous with the scapula of the upper limb and is composed of three distinct parts: the ilium, pubis, and ischium, which together contribute to the structure and function of the pelvis.

💡Pelvic Girdle

The pelvic girdle is a ring-like structure formed by the two hip bones and the sacrum, which serves as a connection between the spine and the lower limbs. It plays a vital role in weight-bearing and locomotion. In the script, the pelvic girdle is mentioned as being formed by the hip bones and the sacrum, emphasizing its importance in the skeletal system.

💡Ilium

The ilium is the uppermost and largest part of the hip bone, forming the upper portion of the pelvic girdle. It has a broad, flat surface that contributes to the structure of the hip. The script describes the ilium's anatomical features, such as the iliac crest and the iliac fossa, and its role in muscle attachment and joint formation.

💡Acetabulum

The acetabulum is a cup-shaped hollow structure formed by the fusion of the three parts of the hip bone. It is the socket of the hip joint where the head of the femur fits, allowing for a wide range of motion. The script explains that the acetabulum is crucial for the articulation of the hip joint, which is a ball-and-socket type of synovial joint.

💡Obturator Foramen

The obturator foramen is a large opening located below the acetabulum, which separates the thin pubis from the thick ischium. It is an important anatomical landmark in the hip bone, as mentioned in the script, and plays a role in the transmission of nerves and blood vessels between the pelvic and thigh regions.

💡Iliac Crest

The iliac crest is a thick, ridge-like structure on the superior end of the ilium. It extends from the anterior superior iliac spine to the posterior superior iliac spine and is divided into ventral and dorsal segments. The script describes the iliac crest's role in providing attachment sites for various muscles and its clinical significance in palpation and landmark identification.

💡Sacroiliac Joint

The sacroiliac joint is a synovial joint that connects the hip bone to the sacrum, posteriorly. It is described in the script as a plane variety of a diarthroidal joint, which allows for limited movement and provides stability to the pelvis. This joint is essential for transferring weight and forces between the spine and the lower limbs.

💡Pubic Symphysis

The pubic symphysis is a secondary cartilaginous joint where the two pubic bones of the hip meet anteriorly. It is mentioned in the script as a joint that contributes to the anterior aspect of the pelvic girdle, allowing slight movement and flexibility while maintaining the integrity of the pelvic ring.

💡Iliacus Muscle

The iliacus muscle is a muscle located in the iliac fossa, which is part of the hip bone's inner surface. It plays a significant role in flexing the hip joint. The script describes the iliacus muscle's attachment to the ilium and its function in movement, emphasizing its anatomical relationship with the hip bone.

💡Greater Sciatic Foramen

The greater sciatic foramen is a large opening in the hip bone, posteriorly, through which several nerves and blood vessels pass. It is formed by the ischium and is mentioned in the script as an important structure for the passage of the sciatic nerve and other structures, connecting the pelvic region with the lower limb.

💡Inguinal Ligament

The inguinal ligament is a thickened band of tissue that extends along the anterior border of the hip bone, specifically below the anterior superior iliac spine. It is associated with the inguinal region and is mentioned in the script in the context of the anterior inferior iliac spine, where it helps form the inguinal canal and is related to the ilioinguinal nerve.

Highlights

Introduction to the hip bone, also known as the innominate bone, which forms part of the pelvic girder.

The hip bone's homology with the scapula of the upper limb.

Composition of the hip bone from three parts: ilium, pubis, and ischium.

Formation of the acetabulum, a cup-shaped hollow structure, by the fusion of the three bones of the hip.

Description of the obturator foramen, which separates the anterior pubis from the posterior ischium.

Differentiation between the dorsal and ventral components of the hip bone.

Articulation of the hip bone with other bones, including the pubic symphysis and sacroiliac joint.

Hip joint formation by the acetabulum and the head of the femur.

Side determination methods for the hip bone using anatomical landmarks.

Detailed anatomy of the ilium, including its ends, borders, and surfaces.

Function of the iliac crest and its division into ventral and dorsal segments.

Attachments and functions of the outer, inner lips, and intermediate area of the iliac crest.

Anatomy and significance of the anterior and posterior superior iliac spines.

Borders of the ilium and their attachments, including the sartorius muscle and ilio femoral ligament.

Surfaces of the ilium, including the gluteal, iliac, and sacropelvic surfaces.

Muscular attachments on the gluteal surface and their respective areas.

Description of the iliac fossa and its muscular attachments.

Sacropelvic surface anatomy, including the iliac tuberosity, auricular surface, and pelvic surface.

Clinical relevance of the sacropelvic surface in forming the sacroiliac joint and its ligamentous attachments.

Invitation to like, share, and subscribe for regular updates on anatomy videos.

Transcripts

hello friends welcome to the viva house

of anatomy today we will discuss about

the hip bone

the another name of the hip bone is a

innominate bone it is an irregular type

of the bond and it will form the pelvic

girder

this is the pelvic cutter the right and

the left hip bone together with the sac

ground will form the pelvic girder or a

morning pelvis

now

it is homologous with the scapula of a

upper lip

the each hip bone is made up of three

parts or a three bone that is

the

ilium

pubis

and tissue

the ilium part will form the upper part

of the bone

the pubis is a thin bond which lies

enduro inferiorly in the hip bone and

the ischium is a thicker than the pubis

it will form the posterior inferior part

of the hip bone

now this three bone helium pubis and the

issue they will

fuse at a cup shaped hollow structure

which is known as a acetabulum

below the acetabulum you can see one

large foramina this foramina is known as

a obturator for amino which will

separate the thin previous

anteriorly from the thick ischium

posterior

now overall

the hip bone is having two component

dorsal component and ventral component

you can see the dorsal component is

formed by the helium bond and the

ventral component is formed by the pubis

and the issue

now we will see

the articulation of the hip bone

now

here

the hip bone

with the hip bone and evenly they will

fuse and form the pubic symphysis joint

which is a secondary

cartilaginous joint

the posteriorly

the hip bone on the either side

it will articulate with the lateral end

of the sacrum to form the

sacroiliac joint which is a para joint

it is a plane variety of cytokine joint

and the third this acetabulum which is

articular it will articulate with the

head of the femur to form the hip joint

which is a ball and socket type of a

synovial joint

now we will first we will discuss the

side determination of the hip bone

the first

the ilium flat expanded ilium will form

the upper part of the bone it lies

superiorly

the second

the scw

the articular part acetabulum is facing

literally

third

objective for amino lies below the scwm

it is separated by

so

the bond in my hand is off the right

side

now we will discuss the three parts of

the hip bone

today only we will discuss in this video

the ilium part now the ilium is a flat

expanded part lies in the upper part of

the hip bone it is having

two ends

three borders and three surface first we

will discuss the two ends the two ends

are the superior and

and

inferior

the superior add is in form of the thick

reach which is known as the iliac twist

and the inferior and it will fuse with

the pubis and the ischium at an

acetabulum and it will form the upper

two-fifth of a acetone now we will see

in detail about the superior end which

is also known as the india quest

now the iliac crest is extended from the

anterior superior iliac spine anteriorly

to

the posterior superior iliac spine

posterior

now the electricity is divided into

the ventral segment larger one and the

dorsal segment

the ventral segment formed the more than

the anterior two third of the index fist

up to this line this is the ventral

cycle

and the dorsal segment

will form the less than posterior one

third of the interaction

the ventral segment is divided into

three parts

the outer lip

inner lip

and intermediate area

on its outer lip

four centimeter behind the anterior

superior iliac spine it will present one

elevated area which is known as a

tuberosity of electricity

now we see the attachment of these three

parts first the outer nip

the outer lip in its mold extent gives

the attachment to the face

first

the second in front of this tuberosity

the outer lip this area will give origin

to the tensor facial line

second third the tuberosity itself

provides attachment to the iliotibial

tract

the fourth

the outer lip in its anterior two-third

part provides insertion of external

oblique muscle of a abdomen and the last

fit

the outer lip in its posterior one third

part gives the origin of a latissimus

dorsi muscle

now the attachment of a inner lip

inner lip in its anterior two-third part

will give origin to the transversus

abdominis muscle of the abdomen

and leave to this muscle provides

attachment of fascia a transversal and

fascia helium

now the inner lip in its posterior one

third provides origin of a quadratus

lumborum muscle now the

third part intermediate area

intermediate area in its anterior

two-third part give origin to the

internal oblique muscle of abdomen

this is all about the ventral segment of

a liquid now focus on the dorsal cycle

the torso segment will form the less

than posterior one third of an india

crease

it is having

the literal slope

median slope and intermediate reach

the lateral slope will give origin to

the upper fiber of a gluteus maximus

muscle

and medial slope will give orange into

the erector spine muscle

now

the two end of the iliac wrist

anteriorly and usually left spine

posteriorly posterior superior spine

anterior superior spine you can felt in

front of a flank clearly in the living

the posterior superlax white the

importance of it is that it lies at the

level of a h2 vertebra and at this level

the subarachnoid space

will end so this is all about the upper

end of a

helium that is the indian crystal

now the second part the border it is

having three water and clear water

posterior water and medium one for the

anterior border antibodies extend from

the anterior superior iliac spine above

up to the acetabulum below it will so in

the upper and anterior superior spine

followed by one note

below the notes anterior inferior

relaxed point and there is a rough

triangular area below the anterior

infield x point now the attachment

anti-super ellipse point will give

origin to the sartorius muscle

and

the lateral end of the equinal ligament

the second the nose below the anterior

spirits point will launch is the literal

cuteness now of a thigh

now sometimes this now in this nose will

trap

below the inguinal ligament and it will

cause the pain along the lateral side of

pain and tingling sensation on the

lateral side of the thigh which is known

as a merely parasitica

the second

the anterior inferior spine give

attachment to the ilio femoral ligament

and the straight head of a rectus

femoris muscle

now the second border that is the

posterior border

the posterior border will extend from

the posterior suprahelic spine ago up to

the posterior water of ischium below

now it will show

in the upper part posterior superior

left point few centimeter below there is

a posterior inferior lex point

followed by the deep nose which is known

as a greater cr notion

now its attachment

the posterior ball border will provides

attachment to the sacrotuberous ligament

up to the upper part of the posterior

inferior index point

the upper margin of a greater psiotic

nose will give origin to the few fiber

of the pyriformis

now this greater crdic nodes

it will convert it into the foramina by

the sacrotuberous ligament posteriorly

and the sacrospinous ligament

below

greater sciatic foramen third border is

a medial border which lies on the inner

side of a hip bone it will extend from

the iliac crystal above up to

iliopubic aminos below now this medial

border is divided into three parts npa

one third

middle one third and

posterior the anterior one third will

form the arcuate line

the middle one third will form the

anterior curved line of a follicular

surface

and the posterior one third is rough the

third part in the helium is a surface it

is having three surface the gluteal

surface that is outer one

the iliac surface inner one and the

sacral pelvic surface this is also lies

on the inner side

first we will discuss the gluteal

surface

the gluteal surface is convex in its

anterior part and concave behind like a

helium twist

now this gluteal surface is divided into

four area

by three lengths

these lines are the first one is a

posterior gluteal line

the posterior gluteal line will extend

from the inner crease

four to five centimeter in front of a

posterior superior iliac spine

it will runs downwards and it will end

just above the greater crt nodes the

forces

the second anterior gluteal line and the

excluding line start four centimeter

behind the anterior superior iliac spine

it will pass this first backwards

and then downwards to end at the middle

of

upper border of greater cia technology

this one is an anterior nuclear line the

third one is a inferior gluteal line it

is ill-defined

it will start

above and behind the anterior inferior

iliac spine

it will go backward and slightly

downwards

to end

at the apex of a greater sciatic note

inferior gluteal line

so this three line

will divide the gluteal surface into

four area

now the attachment on the gluteal

surface

the behind the posterior gluteal line

this area will give origin to the

nucleus maximus muscle

the second area between the anterior

gluteal line and posterior gluteal line

will be orange into the gluteus medius

muscle

the third area between the inferior

gluteal line and anterior gluteal line

will give origin to the gluteus minimus

muscle

and the fourth area below the inferior

gluteal line this area will give origin

to the reflected aid of a rectus femoris

muscle

now

the second surface that is lies on the

inner side

that is

called a iliac surface or inject force

which is a concube

now this inlet fossa or iliac surface is

bounded entitilely by the anterior

border

posteriorly by the posterior border

sorry medial border

superiorly by the ventral segment of the

iliacrist and below by the iliopubic

amides this indian force are

from its upper two third part give

origin to the iliacus muscle

the last surface is a sacropelvic

surface which also lies on the inner

surface

it lies

behind the medial border

behind the medial border

and it is divided into three parts

the first part

the most upper part is a

iliac tuberosity

anterior inferior to electric velocity

there is a particular area which is

articular and entero inferior to the

auricular area there is a patrick

surface

the first we will see the

tuberosity iliac tuberosity is a large

rough upper part of the sacropelvic

surface

it is elevated in the middle and the

depressed

elsewhere

now this

[Music]

electricity in the most of the part

will provides attachment of intrusions

sacroiliac ligament

in its posterior part it will gives

attachment to the dorsal sacroiliac

ligament

and superiorly it will provides

adjustment to the ilio number ligament

now the second part of a sacropelvic

surface that is a particular surface

which is

articular but repeated

it will articulate with a sacrum to form

the sacroiliac joint which is a plane

variety of sinus culture

its anterior convex margin will provide

attachment to

the ventral sacral india ligament

now the third part of the sacropalic

surface the pelvic surface

it lies antero inferior to the auricular

surface

along with the upper margin of the

greater sciatic notes it will form the

pre auricular

surface which is deeper in the female

than in the mid

this pelvic surface

in its upper part along the margin of

greater periodic noise will give origin

to the few fiber of piriformis and the

remaining part smooth part will give

origin to the obturator internal muscle

so this is all about a

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