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Questions and Answers
Joints can be classified structurally as?
Joints can be classified structurally as?
- Bony (correct)
- Synovial (correct)
- Cartilaginous (correct)
- Fibrous (correct)
What type of synarthrosis binds the teeth to the bony sockets?
What type of synarthrosis binds the teeth to the bony sockets?
Gomphosis
What is an immovable joint called?
What is an immovable joint called?
Synarthrosis
A synovial joint is an example of a what?
A synovial joint is an example of a what?
What is a ligamentous connection such as an antebrachial interosseous membrane called?
What is a ligamentous connection such as an antebrachial interosseous membrane called?
What is a slightly movable joint called?
What is a slightly movable joint called?
What type of joint is a suture an example of?
What type of joint is a suture an example of?
What type of structure is an epiphyseal line an example of?
What type of structure is an epiphyseal line an example of?
What are joints in which the bones are closely fitted called?
What are joints in which the bones are closely fitted called?
What is dense fibrous connective tissue to a suture as a periodontal ligament is to a?
What is dense fibrous connective tissue to a suture as a periodontal ligament is to a?
An example of a synchondrosis is the articulation of the?
An example of a synchondrosis is the articulation of the?
What type of joints have limited movement between the ribs and sternum?
What type of joints have limited movement between the ribs and sternum?
What is a freely movable joint called?
What is a freely movable joint called?
What is the intervertebral disc joint called?
What is the intervertebral disc joint called?
What is a joint where bones fuse together with bone tissue called?
What is a joint where bones fuse together with bone tissue called?
Which of the following is one of the four major types of synarthrotic joints?
Which of the following is one of the four major types of synarthrotic joints?
Syndesmosis is to ligament as symphysis is to?
Syndesmosis is to ligament as symphysis is to?
What occurs when the articular cartilage is damaged?
What occurs when the articular cartilage is damaged?
Which of the following is not a function of synovial fluid?
Which of the following is not a function of synovial fluid?
Bursae are found in all of the following areas except?
Bursae are found in all of the following areas except?
Which of the following is not a property of articular cartilage?
Which of the following is not a property of articular cartilage?
The surface of articular cartilage is?
The surface of articular cartilage is?
Which of the following is not a characteristic of articular cartilage?
Which of the following is not a characteristic of articular cartilage?
Which of the following is not considered an accessory synovial structure?
Which of the following is not considered an accessory synovial structure?
Degenerative changes in a joint can be the result of all of the following except?
Degenerative changes in a joint can be the result of all of the following except?
What likely occurs when Mike falls off his skateboard and sprains his ankle?
What likely occurs when Mike falls off his skateboard and sprains his ankle?
Which of the following is not a property of synovial joints?
Which of the following is not a property of synovial joints?
The knuckle joint is classified as a what joint?
The knuckle joint is classified as a what joint?
The joint between the forearm bones and the wrist is a what joint?
The joint between the forearm bones and the wrist is a what joint?
Ankle extension is also called?
Ankle extension is also called?
Pronation is defined as?
Pronation is defined as?
A movement away from the midline of the body is called?
A movement away from the midline of the body is called?
To pinch with a thumb and a finger involves a movement called?
To pinch with a thumb and a finger involves a movement called?
A common injury to the ankle occurs by excessive turning of the sole inward, called?
A common injury to the ankle occurs by excessive turning of the sole inward, called?
The ankle joint is an example of a?
The ankle joint is an example of a?
Which of the following movements is a good example of flexion?
Which of the following movements is a good example of flexion?
A twisting motion of the foot that turns the sole of the foot outward is known as?
A twisting motion of the foot that turns the sole of the foot outward is known as?
The joints that connect the four fingers with the metacarpal bones are?
The joints that connect the four fingers with the metacarpal bones are?
The joint between the trapezium and metacarpal bone of the thumb is an example of a?
The joint between the trapezium and metacarpal bone of the thumb is an example of a?
Monaxial joints are known as?
Monaxial joints are known as?
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Study Notes
Classification of Joints
- Joints are classified structurally into bony, fibrous, cartilaginous, and synovial types.
- Synarthrosis is an immovable joint.
- Diarthrosis represents a freely movable joint, typically synovial.
Types of Synarthrotic Joints
- Gomphosis connects teeth to bony sockets.
- Sutures are immovable joints found in the skull.
- Synchondrosis, like the rib-sternum connection, allows limited movement.
- Synostosis occurs when bones fuse together.
Movement Classifications
- Amphiarthrosis denotes slightly movable joints.
- Hinge joints, like the ankle, allow flexion and extension.
- Lateral movements such as abduction move limbs away from the midline of the body.
Joint Characteristics
- Strong joints are tightly fitted with limited movement.
- Articular cartilage surfaces are slick and smooth for reduced friction.
- Synovial fluid lubricates joints, but does not increase osmotic pressure.
- Bursae provide cushioning in joints, absent around blood vessels.
Joint Injury and Health
- Damage to articular cartilage leads to rough surfaces and increased friction.
- Sprained ligaments, like in an ankle injury, result from stretching and collagen damage.
- Degenerative changes can occur in joints due to various factors, excluding bursitis.
Movement Definitions
- Pronation involves rotation of the radius over the ulna.
- Opposition describes pinching movements between the thumb and other fingers.
- Inversion refers to ankle movement turning the sole inward, while eversion is the opposite.
Joint Types
- Condylar joints connect fingers to metacarpals and wrist bones.
- Saddle joints, like between the trapezium and thumb metacarpal, allow multidirectional movement.
- Monaxial joints are classified further but specifics on movement types remain incomplete.
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