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TYPES OF JOINTS

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by

Afifa Gul

on 9 November 2014

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Transcript of TYPES OF JOINTS

TYPES OF JOINTS
Articulating surfaces of bones are covered by a thin layer of
hyaline cartilage
.
On the basis of
STRUCTURE
FUNCTION
TOPIC:
KINESIOLOGY PRESENTATION
"Classification of joints on the basis of their structure and function"
PRESENTED BY:
Afifa
Menahil
Afzaal
Rida
Saba
Shaista
Adeela
Rabia
1.Fibrous
2.Cartilaginous
3.Synovial
1.Synarthrodial
2.Amphi
arthrodial
3.Diarthrodial
FIBROUS
CARTILAGINOUS
Primary cart.
Secondary cart.
SYNOVIAL
Plane
Hinge
Pivot
Condyloid
Ellipsoid
Saddle
Ball-and-socket
Joints are the sites
two or more bones.
SKELETAL JOINTS
of articulation of
Movement may or
may not occur at
joints.
STRUCTURALLY
Articulating surfaces are joined via fibrous connective tissue.
FIBROUS JOINTS
No joint cavity is present.
Very little movement is possible.
Also called

Junctura fibrosa
Examples:
Sutures of skull
Syndesmosis
Gomphosis
SUTURES OF SKULL
SYNDESMOSIS
Two bones are separated by a layer of membrane-
Sutures are only restricted to the skull.
It is a truly fibrous connection between bones.
It may be represented by an
interosseus ligament
as in
Inferior tibiofibular
joint of ankle
It is a slightly movable joint in which
tibia

and
fibula
are joined by connective tissue at the ankle.
anterior
GOMPHOSIS
Sutures
Syndesmosis
Gomphosis
It binds the teeth to the bony socket in the
maxillary bone
and the
mandible
.
It is the only joint type where a bone does not join another bone, as teeth are not technically bone.
It is considered fibrous because the tissue, linking structures, is ligamentous.
It is
peg-and-socket
joint in which a conical process (peg) of one bone fits into a hole in another bone.
From Greek
gomphos

meaning
bolt
.
CARTILAGINOUS JOINTS
Gomphosis
It is from Greek
syn

meaning
with
and

desmos

meaning
band
.
Tibia and fibula are joined together by a
connective tissue at the ankle.
SYNDESMOSIS OF ANKLE
tibio-fibular
inferior
posterior
inferior
tibio-
-fibular
-derived connective tissue.
Primary cart.
Secondary cart.
SECONDARY CARTILAGINOUS
They are less rigid than fibrous joints.
They are held together by cartilage tissue.
SYNOVIAL JOINTS
Types :
It is a type of cartilaginous joint in which
the material connecting the articulating surfaces is
hyaline cartilage
.
Also called
junctura cartilaginea
.
This cartilage may
ossify
with age.
EXAMPLE :
First
sternocostal joint
(where first rib meets sternum)
sternum
First Sternocostal joint
Bones are covered with
hyaline
cartilage and have thick, fairly compressible pad of
fibrocartilage
b/w them.
The pad or discs varies from a few millimeters to a centimeter in width.
EXAMPLES :
Joints b/w the
vertebral bodies
and the
symphysis pubis
.
Symphysis
pubis
Intervertebral
discs
From Greek

syn

(with)
and
oon

(an egg)
Joint cavity
, lined with

synovial membrane
, is

present which is filled with

synovial fluid
.
Outside the synovial membrane is a tough fibrous of the joint.
capsule
TYPES
Plane/gliding
Hinge
Pivot
Conyloid
Saddle
Ellipsoid
Ball-and-socket
PLANE/GLIDING JOINTS
PRIMARY CARTILAGINOUS
Structure:
The apposed articulating surfaces are
flat
or almost flat.
Movements:
Examples:
Only sliding and gliding movements.
Sternoclavicular joint
Acromioclavicular joint
Sternoclavicular joint
Acromioclavicular joint
HINGE JOINT
PIVOT JOINT
CONDYLOID JOINT
ELLIPSOIDAL JOINT
SADDLE JOINT
BALL-AND-SOCKET JOINT
(SYNCHONDROSES)
(SYMPHYSIS)
Structure:
Movements:
Examples:
Structure:
Movements:
Examples:
Structure:
Movements:
Examples:
Structure:
Movements:
Examples:
Structure:
Movements:
Examples:
Structure:
Movements:
Examples:
Resembles the
hinge
on the door.
Only flexion and extension.
Elbow joint
Knee joint
Interphalangeal joints
Ankle joint
Hinge joint of the elbow
A central bony pivot is surrounded by a ligamentous ring.
Only rotation
Atlantoaxial joint
Superior radioulnar joint
Radioulnar joint (pivot)
Have two distinct convex surfaces that articulate with two surfaces.
Flexion, extension, abduction, adduction and small amount of rotation.
Metacarpophalangeal joints
knuckle joints
knuckles (condyloid joint)
An elliptical
convex
articular surface fits into an elliptical
concave
articular surface.
Flexion, extension, abduction, adduction
No rotation
Wrist joint
Ellipsoidal joint of wrist
Resembles a saddle on a horse's back. Articular surfaces are reciprocally
concavo-convex
.
Flexion, extension, abduction, adduction and rotation.
Carpometacarpal joint of the thumb
Saddle joint of thumb
A ball shaped head of one bone fits into a socket-like concavity of another.
All movements except gliding movement.
Shoulder joint
Hip joint
Shoulder Joint
Hip joint
FUNCTIONALLY
SYNARTHROSES
AMPHIARTHROSES
DIARTHROSES
Non-axial
Uni-axial
bi-axial
tri-axial
SYNARTHROSES
From Greek
syn
(together) and
arthrose
(jointing)
These are
immovable
articulations.
Surfaces of bones are almost in direct contact.
Structurally they are
Fibrous joints
.
FUNCTION:
Stability
Shock-absorption
Force transmission
AMPHIARTHRODIAL
From Greek
Full transcript