BHSC 1200 – JOINTS QUESTIONS

BHSC 1200 – JOINTS QUESTIONS
What is a Joint? - Answers :- AKA Articulation
- point of contact between 2 bones, between bone and cartilage, or between bone and
teeth

What are the 3 Structural Classifications? - Answers :1) Fibrous Joint
2) Cartilaginous joint
3) Synovial joint

Describe a Fibrous Joint. - Answers :- no synovial cavity
- bones are held together by dense irregular connective tissue that is rich in collagen
fibres

Describe a Cartilaginous Joint. - Answers :- no synovial cavity
- bones are held together by cartilage

Describe a Synovial Joint. - Answers :- synovial cavity present
- joined by dense irregular connective of Articular Cartilage

What are the 3 Functional Classifications of joints? - Answers :1) Synarthrosis -
immobile
2) Amphiarthrosis - slightly moveable
3) Diarthrosis - freely moving
- in all synovial joints
- variety of shapes
- permits several types of
movement

What are the 3 Types of Fibrous joints? - Answers :1) Suture: only found between
bones of skull
2) Syndesmosis: articulating surfaces and more densed I.C. (distal tibiofibular joint)
3) Interosseous: permits slight movement (forearm)

What are the 3 types of Cartilagenous Joints? - Answers :1) Synchondrosis: connecting
material is hyaline cartilage (first rib and sternum)
2) Symphyses: ends of joints covered with hyaline cartiliage (pubic symphyses)
3) Epiphyseal Cartilage: hyaline cartilage growth centre (growth plate)

What are the Structures of Synovial joints? - Answers :1) Synovial Cavity
2) Articular Capsule
3) Synovial Fluid
4) Bursa

What is the Synovial Cavity? - Answers :- space between articulating bones