Podcast
Questions and Answers
Name the 2 categories of joints.
Name the 2 categories of joints.
Structure/Composition, Action/Function
Name the 3 types of Structural joints.
Name the 3 types of Structural joints.
Fibrous, Cartilaginous, Synovial
Structure/Composition joints are named this because -
Structure/Composition joints are named this because -
Structure/composition refers to what the joint is made out of
Explain what a fibrous joint is.
Explain what a fibrous joint is.
What are some examples of fibrous joints?
What are some examples of fibrous joints?
Explain what a Cartilaginous joint is.
Explain what a Cartilaginous joint is.
What are some examples of cartilaginous joints?
What are some examples of cartilaginous joints?
Explain what a Synovial joint is.
Explain what a Synovial joint is.
What are some examples of synovial joints?
What are some examples of synovial joints?
Action/Function joints are named this because -
Action/Function joints are named this because -
Name the 3 types of Action/Functional Joints - Remember SAD.
Name the 3 types of Action/Functional Joints - Remember SAD.
Why remember SAD when referring to Action/Functional joints?
Why remember SAD when referring to Action/Functional joints?
What is a characteristic of a Synarthrodial joint?
What is a characteristic of a Synarthrodial joint?
What is an example of a Synarthrodial joint?
What is an example of a Synarthrodial joint?
What is a characteristic of an Amphiarthrodial joint?
What is a characteristic of an Amphiarthrodial joint?
What is an example of an Amphiarthrodial joint?
What is an example of an Amphiarthrodial joint?
What is a characteristic of a Diarthrodial joint?
What is a characteristic of a Diarthrodial joint?
What is an example of a Diarthrodial joint?
What is an example of a Diarthrodial joint?
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Study Notes
Joint Classification Overview
- Joints classified by two main categories: Structure/Composition and Action/Function.
Structural/Composition Joints
- Three types include:
- Fibrous
- Cartilaginous
- Synovial
Fibrous Joints
- Defined as joints connected by fibrous connective tissue.
- Examples include:
- Sutures of the skull
- Interosseous ligaments
- Teeth
- Distal tibiofibular joint
Cartilaginous Joints
- Characterized by connection through cartilage, allowing little or no movement.
- Examples include:
- Symphysis pubis
- 1st rib to sternum
- Sacral-coccygeal joint
- Fibrocartilage discs
Synovial Joints
- Feature a fibrous joint capsule, lined with a membrane and filled with synovial fluid.
- Articulating bones are capped with cartilage.
- Examples include:
- Elbow
- Knee
- Wrist
Action/Function Joints
- Known as action levers, enabling movement.
- Three types are remembered using the acronym SAD:
- Synarthrodial (Syn)
- Amphiarthrodial (Amphi)
- Diarthrodial (Di)
- SAD represents the order of mobility from least to most movable.
Synarthrodial Joints
- Characteristics include:
- No movement and no joint cavity.
- Example: Teeth, 1st rib to sternum.
Amphiarthrodial Joints
- Defined by slight mobility.
- Example: Intervertebral discs, symphysis pubis, sacroiliac joint.
Diarthrodial Joints
- Freely moving joints featuring a joint cavity between articulations.
- Example: Elbow, knee.
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