Скачать или смотреть JOINTS OF THE HUMAN BODY| Joints anatomy and Classification

In this video we are going to talk about the classification of all the joints in the human body. There are various types of joints around the body, allowing for different degrees of movement. There are three major types of joints: fibrous, cartilaginous, and synovial joints.

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Key Moments

0:00 – Introduction
Overview of joints in the human body.

0:07 – Types of Joints
Fibrous, cartilaginous, and synovial joints.

0:22 – Classification by Movement
Synarthrosis (immovable), amphiarthrosis (slightly movable), diarthrosis (freely movable).

0:43 – Fibrous Joints
Formed by fibrous tissue; no joint cavity.

1:01 – Example: Sutures
Immovable joints of the cranium and role of fontanelles at birth.

1:34 – Example: Gomphoses
Immobile joints between teeth and sockets.

1:44 – Example: Syndesmosis
Slightly movable joints with interosseous membranes (radius–ulna, tibia–fibula).

2:05 – Cartilaginous Joints
Formed by hyaline or fibrocartilage; classified as primary and secondary.

2:20 – Primary Cartilaginous Joints
Hyaline cartilage, usually immovable (e.g., epiphysis–diaphysis joint).

2:41 – Secondary Cartilaginous Joints
Hyaline + fibrocartilage, usually amphiarthrosis (e.g., pubic symphysis).

3:00 – Synovial Joints
Freely movable, most common type, contains joint capsule, synovial fluid, and articular cartilage.

3:43 – Classification of Synovial Joints

3:45 – Hinge Joints
Movement in one axis (flexion/extension). Example: elbow, knee.

3:59 – Pivot Joints
Uniaxial rotation. Example: proximal radioulnar joint, atlantoaxial joint.

4:15 – Saddle Joints
Biaxial movement. Example: thumb (first carpometacarpal joint).

4:30 – Condyloid (Ellipsoid) Joints
Biaxial movement (flexion, extension, abduction, adduction). Example: knuckles (metacarpophalangeal joints).

4:55 – Ball-and-Socket Joints
Multiaxial movement (flexion, extension, abduction, adduction, rotation). Example: hip, shoulder.

5:17 – Plane (Gliding) Joints
Flat surfaces, limited multiaxial movement. Example: intertarsal, intercarpal, acromioclavicular joints.


5:38 – Conclusion
Summary of joint classification; closing remarks.