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Transcript 
Joints
Chapter 8
What is a joint?
Defined as the site where two or more
bones meet.
Also called an “articulation”
Joints allow our skeleton mobility and
they hold our skeleton together
Classification of Joints

Functional classification



Synarthroses
Amphiarthroses
Diarthroses
Classification of Joints

Structural classification



Fibrous joints
Cartilaginous joints
Synovial joints
FIBROUS JOINTS

General Characteristics



Bones are joined by fibrous tissue
No joint cavity is present
Most are immovable but some are
slightly moveable
TYPES OF FIBROUS JOINTS

Sutures (synostoses)

Syndesmoses

Gomphoses
FIBROUS JOINTS

Sutures
FIBROUS JOINTS

Syndesmoses
FIBROUS JOINTS

Gomphoses
CARTILAGINOUS JOINTS

General Characteristics



Articulating surfaces are united by
cartilage
No joint cavity
Can be synarthrotic or amphiarthrotic
TYPES OF
CARTILAGINOUS JOINTS

Synchondroses

Symphyses
CARTILAGINOUS JOINTS
Review Question
What is the scientific term for a joint
that is immovable?
a. Diarthrotic
b. Amphiarthrotic
c. Synarthrotic
Review Question
Which of the following is an example of
a fibrous joint?
a. Synchondroses
b. Syndesmoses
c. Symphyses
Review Question
Which of the following best describes a
suture?
a. Synchondroses
b. Syndesmoses
c. Symphyses
d. Synostoses
e. Gomphoses
SYNOVIAL JOINTS

General Characteristics



Articular bones are separated by a
fluid-filled cavity
Joints of limbs
Diarthrotic
SYNOVIAL JOINTS
SYNOVIAL JOINTS
Movements of
synovial joints

Axis of motion




Nonaxial
Uniaxial
Biaxial
Multiaxial
GLIDING MOVEMENTS
Angular Movements
Angular Movements
Angular Movements
Special Movements
Special Movements
Special Movements
Review Question
Which of the following best describes
someone who is “pigeon-toed”?
a. Medial rotation
b. Lateral rotation
c. Circumduction
d. Inversion
e. Eversion
Review Question
Which of the following muscle actions
best describes “windmill” exercises?
a. Medial rotation
b. Lateral rotation
c. Circumduction
d. Inversion
e. Eversion
Types of Synovial Joints
Types of Synovial Joints
Types of Synovial Joints
Types of Synovial Joints
Types of Synovial Joints
Types of Synovial Joints
Review Question
Which of the following types of synovial
joint is found within the joint between the
1st metacarpal and 1st phalange?
a. Saddle
b. Pivot
c. Hinge
d. Ball and socket
e. Condyloid
Review Question
Which of the following types of synovial
joint is found within the hip joint?
a. Saddle
b. Pivot
c. Hinge
d. Ball and socket
e. Condyloid
Joint Injuries






Sprains
Dislocations
Bursitis
Tendonitis
Arthritis
Synovitis
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