Knee Joint Types and Classification Flashcards

Questions and Answers

What are the functional categories of joints?

Synarthrosis

Amphiarthrosis

Diarthrosis

All of the above (correct)

What are the types of synarthroses?

Fibrous, Cartilaginous, Bony Fusion

What are the types of amphiarthrosis?

Fibrous, Cartilaginous

What is the type of diarthrosis joint?

Synovial Signup and view all the answers

What is a suture in the context of joints?

Fibrous Synarthrosis Signup and view all the answers

What is synchondrosis?

Cartilaginous Synarthrosis Signup and view all the answers

What characterizes syndesmosis?

Fibrous Amphiarthrosis Signup and view all the answers

How is a symphysis joint described?

Cartilaginous Amphiarthrosis Signup and view all the answers

What components make up a synovial joint?

Articular cartilage, joint capsule, synovial membrane, synovial fluid Signup and view all the answers

The knee joint is a type of diarthrosis.

True Signup and view all the answers

Which of the following joints is considered a hinge joint?

Elbow Signup and view all the answers

What type of synovial joint allows for rotational movement?

Pivot Signup and view all the answers

What are characteristics of ball-and-socket joints?

All types of angular and rotational movement Signup and view all the answers

Study Notes

Joint Classification and Types

Functional categories classify joints into three types:
- Synarthrosis - no movement
- Amphiarthrosis - limited movement
- Diarthrosis - free movement
Synarthroses can be further divided into:
- Fibrous Joints
- Cartilaginous Joints
- Bony Fusion
Amphiarthroses consist of:
- Fibrous Joints
- Cartilaginous Joints
Diarthroses are characterized as:
- Synovial Joints

Types of Joints

Suture (Fibrous Synarthrosis) - interlocking projections found between skull bones.
Synchondrosis (Cartilaginous Synarthrosis) - contains cartilage plates, example is epiphyseal cartilages.
Syndesmosis (Fibrous Amphiarthrosis) - connected by ligaments, exemplified by tibia and fibula.
Symphysis (Cartilaginous Amphiarthrosis) - fibrocartilage pad connection, such as those between pubic bones and vertebrae.

Diarthrotic Joints

Synovial Joint:
- Bound by a joint capsule and filled with synovial fluid.
- Movement types include:
  - Monaxial - e.g., elbow and ankle.
  - Biaxial - e.g., ribs and wrist.
  - Triaxial - e.g., shoulder and hip.

Structural Categories of Synovial Joints

Types include:
- Plane
- Hinge
- Pivot
- Condylar
- Saddle
- Ball-and-Socket

Joint Specifics

Gliding Joint:
- Slight movement, e.g., ends of clavicles, carpals, and vertebrae.
Hinge Joint:
- Angular motion in one plane, e.g., elbow, knee, ankle.
Pivot Joint:
- Primarily rotational movement, e.g., atlas and axis.
Ellipsoidal Joint:
- Oval face fitting a depression, e.g., radius with carpals.
Saddle Joint:
- Concave and convex surfaces allowing biaxial movement, e.g., thumb base.
Ball-and-Socket Joint:
- Allows all movement types, e.g., shoulder and hip.

Components of Synovial Joints

Essential structures include:
- Articular cartilage
- Joint capsule (articular capsule)
- Synovial membrane
- Synovial fluid

Additional Joint Elements

Bursa: Fluid-filled pockets that reduce friction in joints outside the joint capsule.
Fat Pads: Protective packing materials located in front of synovial joints.
Meniscus (in knee joint): Fibrocartilage pads that provide cushioning between knee bones.

Specific Joint Examples

Shoulder (Glenohumeral):
- Diarthrotic, synovial, ball-and-socket joint.
Elbow:
- Diarthrotic, synovial, hinge joint.
Proximal & Distal Radioulnar:
- Diarthrotic, synovial, pivot joint.
Wrist (Radiocarpal):
- Diarthrotic, synovial, condyloid joint.
Intercarpal:
- Diarthrotic, synovial, gliding joint.
Carpometacarpal (Thumb):
- Diarthrotic, synovial, saddle joint.
Sacroiliac:
- Diarthrotic, synovial, gliding joint.
Pubic Symphysis:
- Amphiarthrotic, cartilaginous, symphysis joint.
Hip (Coxal):
- Diarthrotic, synovial, ball-and-socket joint.
Knee:
- Diarthrotic, synovial, bicondylar joint.
Distal Tibiofibular:
- Amphiarthrotic, fibrous, syndesmosis joint.
Ankle (Talocrural):
- Diarthrotic, synovial, hinge joint.

Description

Test your knowledge on the classification and types of knee joints with these flashcards. This quiz covers functional categories such as synarthrosis, amphiarthrosis, and diarthrosis, along with their specific types. Perfect for students of anatomy and physiology.