Joints connect bones and allow the skeletal system to function as a whole. There are different types of joints that provide varying degrees and types of movement. Joints can be immovable, imperfect, or perfect. Immovable joints like sutures and gomphosis connect bones without movement using tough fibrous tissue. Imperfect joints allow slight movement through fibrocartilage. Perfect joints include synovial joints that facilitate various motions through structures like ball-and-socket, hinge, pivot, gliding, saddle, and condyloid joints.

1. JOINTS

2. Joints
Joints is the connection made between bones in the boy which link the skeletal
system into function whole. They constructed to allow for diffrent degrees and
types of movement. Some joints such as knee, elbow, and shoulder. Joints is a
point of contact between bones.
Types of joints
Immovable joints
Imperfect joints
Perfect joints

3. Immovable joints
An immovable joints connects the end
of the bones by a tough fibrous tissue.
No joint cavity
No movement possible
Sutures
Found between skull bones. Sutures are
fixed fibrous joint articulated bones are
held together by white fibrous tissue.

4. Immovable joints
Gomphosis
It is a type of fibrous joint in which
cone shaped peg fits. Teeth in
mandibles, and maxillary bones.

5. Immovable joints
Syndesmosis
It is a type of fibrous joint with
more fibrous tissue than sutures.
Example distal articulation
between tibia and fibula.

6. Imperfect Joint
Slightly movable. Joints in which synovial
cavity is absent.
Permit small amount of movement.
Fibrocartilage is placed between bones.

7. Perfect Joints
Freely movement
Synovial cavity is present
Synovial fluid act as grease
Articulated cartilage of synovial joint is
hyaline cartilage
The synovial membrane secretes synovial
fluid

8. Perfect Joint
Ball and socket joint
Also known as enarthrosis. Ball of one bone articulated in
socket of another bone. Example head of humerus and
glenoid cavity of pectoral grindle, femur and acetabulum of
of pelvic grindle.

9. Perfect Joint
Hinge joint
Movement in one direction. Example joint of knee, joint of phalanges, elbow
joint.

10. Perfect Joint
Pivot joint
One bone is fixed and second articulated. Example atlas and axial of skull bone rotate
with axis vertebra.

11. Perfect Joint
Gliding joint
Limited movement in all direction.
Example tarsals bones of ankle.

12. Perfect Joint
Saddle joint
it is ball and socket like joint but not
developed fully. Example metacarpal of
thumb, carpals of hand.

13. Perfect Joint
Condyloid joint
Where oval condyloid of one bone fits
into an elliptical cavity of another bone.
Example joint between radius and
carpals at wrist.