Principles of Joint Articulation Flashcards
What are the 3 classifications of joints?
1 - Synovial joints
2 - Fibrous
3 - Cartilaginous
Articulation can be defined as the joining of something. What are the 3 types of articulation present in the body?
1 - bone to bone
2 - bone and cartilage
3 - bone and teeth
What are the 3 functional classes joints can be categorised into, which is basically based on the presence or lack of synovial fluid or fibrous tissue present
1 - Synarthroses (fibrous)
2 - Amphiarthroses (cartilagenous)
3 - Diarthroses (synovial)
What is a joint that is classified as a synarthroses joint?
1 - greek for joint and being together with no movement
2 - greek for joint and being freely moveable
3 - greek for joint and being partially moveable
4 - greek for joint and being fixed and freely moveable
1 - greek for joint and being together with no movement
- a fixed joint allowing no movement under normal conditions
- cranium for example
What is a joint that is classified as a amphiarthroses joint?
1 - greek for joint and being together with no movement
2 - greek for joint and being freely moveable
3 - greek for joint and being partially moveable
4 - greek for joint and being fixed and freely moveable
3 - greek for joint and being partially moveable
- pubic symphysis
What is a joint that is classified as a diarthroses joint?
1 - greek for joint and being together with no movement
2 - greek for joint and being freely moveable
3 - greek for joint and being partially moveable
4 - greek for joint and being fixed and freely moveable
2 - greek for joint and being freely moveable
- knee and hip
What is the Bradford Hill Criteria?
- criteria used to identify causality
There are 3 types of fibrous joints, what are these?
1 - suture, syndesmosis, pubic symphysis
2 - interosseous membrane, syndesmosis, pubic symphysis
3 - interosseous membrane, suture, pubic symphysis
4 - suture, syndesmosis, interosseous membrane
4 - suture, syndesmosis, interosseous membrane
A suture joint is a form of fibrous (Synarthrosis) joint. What holds these types of joints together and what is a good example for this?
- thick dense fibrous sheet of connective tissue called interosseous membrane
- cranial bones
A syndesmosis joint is a form of fibrous joint. What holds these types of joints together and what is a good example for this?
- wider gap than a suture and contains more connective tissue than a suture
- connective tissue typically arranged into bundles (ligament)
- anterior tibiofibular ligament (connects tibia and fibula) or tooth socket
A syndesmosis joint is a form of fibrous joint. This joint has a wider gap than a suture and contains more connective tissue than a suture joint. It is typically connective tissue typically arranged into bundles (ligament), such as the anterior tibiofibular ligament (connects tibia and fibula) and tooth sockets. Which functional class would this type of joint be included in?
1 - synarthroses (no movement)
2 - amphiarthroses (little movement)
3 - diarthroses (freely moveable)
2 - amphiarthroses (little movement)
A Interosseous joint is a form of fibrous joint. What holds these types of joints together and what is a good example for this?
- a sheet of dense connective tissue binding adjacent long bones
- amphiarthrosis in function (allows slight movement)
- radius and ulna in forearm, and tibia and fibula in the leg are examples
What is a cartilagenous joint?
- a joint with no synovial cavity
- joints are held together by a fibrocartilage or hyaline cartilage
Cartilagenous joints are joints with no synovial cavity that are held together by a fibrocartilage or hyaline cartilage. What is the difference between fibrocartilage and hyaline cartilage?
- fibrocartilage = stiff and contains many collagen fibres
- hyaline cartilage = soft cartilage that contains fewer collagen fibres
Cartilagenous joints are joints with no synovial cavity that are held together by a fibrocartilage or hyaline cartilage. Which functional class would this type of joint be included in?
1 - synarthroses (no movement)
2 - amphiarthroses (little movement)
3 - diarthroses (freely moveable)
1 - synarthroses (no movement)
2 - amphiarthroses (little movement)
Cartilagenous joints are joints with no synovial cavity that are held together by a fibrocartilage or hyaline cartilage. There are 2 types of cartilagenous joints, which of the following is correct?
1 - synchondrosis and symphysis
2 - synchondrosis and suture
3 - symphysis and suture
4 - symphysis and syndesmosis
1 - synchondrosis and symphysis
What is synostosis?
- union of two or more separate bones to form a single bone
Cartilagenous joints are joints with no synovial cavity that are held together by a fibrocartilage or hyaline cartilage. There are 2 types of cartilagenous joints, synchondrosis and symphysis. What is a synchondrosis joint and give one example?
- the connective tissue is hyaline cartilage
- example would be the epiphyseal plate (growth plate) that fuse bone during growth
- no movement so would be a synarthrosis as a functional class
Cartilagenous joints are joints with no synovial cavity that are held together by a fibrocartilage or hyaline cartilage. There are 2 types of cartilagenous joints, synchondrosis and symphysis. What is a symphysis joint and give one example?
- the connective tissue is fibrocartilage
- adjacent bones are lined with hyaline cartilage, but with a broad disc of fibrocartilage that connects the bones
- functionally classed as an amphiarthrosis joint allowing some movement
- all symphysis occur in the midline of the body: manubrium and sternum, intervertebral discs and pubic symphysis
What is a synovial joint?
- joint that contains synovial cavity between articulating bones
- freely moveable so functionally classified as diarthrosis
- layer of hyaline cartilage is called articular cartilage
Where can the hyaline cartilage called articular cartilage be found in joints?
- lines the end of bones
Hyaline cartilage located at the ends of bones is called articular cartilage and can be found covering the end of bones in synovial Joints. Does the hyaline cartilage have a blood and nerve supply?
- avascular = little or no blood vessels
- aneural = no nerve supply
Hyaline cartilage located at the ends of bones is called articular cartilage and can be found covering the end of bones in synovial Joints. What is articular cartilage composed of?
- collagen (types I and II)
- proteoglycans are important for retaining H2O
Articular cartilage is covered in lubricin. What is lubrican?
- surface-active mucinous glycoprotein secreted in the synovial joint
- important role in cartilage integrity providing boundary lubrication and preventing cell and protein adhesion
Synovial Joints have how many layers?
1 - 1
2 - 2
3 - 3
4 - 4
- 2