Joints are divided into 3 classes according to the degree of movement

Synarthroses (immovable), Amphiarthroses (slightly movable), and Diarthroses (freely movable)

Fibrous joints fit closely together.

3 subtypes of include syndesmoses, sutures, and gomphoses

Cartilaginous joints are joined together by either hyaline cartilage or fibrocartilage

2 Examples include synchondroses and symphyses.

Types of Synovial Joints

Uniaxial joints, Biaxial joints, and Multiaxial joints

List the two anatomical components of an intervertebral disk.

Fibrous tissue and fibrocartilage form a disk’s outer rim (called the annulus fibrosus). Its central core (the nucleus pulposus), in contrast, consists of a pulpy, elastic substance

Name one example of each of the following types of movement at a synovial joint: angular, circular, gliding, and special.

Angular – Elbow flexion Circular – Shoulder circumduction Gliding – Carpal bones of the wrist. Special – Thumb opposition

Describe the difference between flexion and extension.

Flexion and extension are opposite types of angular movements at a joint. flexion bends a joint, and extension straightens it

Degenerative joint disease (DJD), is the most common noninflammatory disorder of movable joints. It is characterized by “wear and tear” degeneration and fracturing of articular cartilage

Inflammation of a bursa, caused by prolonged pres-sure, excessive or repetitive exercise, or sudden trauma that involves one of these fluid-filled sacs

Is swelling and deformities of the distal interphalangeal joints

Rheumatoid arthritis (RA)

Autoimmune disease that involves chronic inflammation of many different tissues and organs of the body. Generally attacks joints first.

Inflammatory arthritis, caused by excess blood levels of uric acid, a nitrogenous waste, are deposited as sodium urate crystals within the synovial fluid of joints and in other tissues.

Inflammatory type of arthritis of varying severity than can progress from skin psoriasis

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Christine Schermer-N

Anatomy weeks 1-5

Question	Answer
Joints are divided into 3 classes according to the degree of movement	Synarthroses (immovable), Amphiarthroses (slightly movable), and Diarthroses (freely movable)
Fibrous joints fit closely together.	3 subtypes of include syndesmoses, sutures, and gomphoses
Cartilaginous joints are joined together by either hyaline cartilage or fibrocartilage	2 Examples include synchondroses and symphyses.
SYNOVIAL JOINTS (DIARTHROSES)	Freely movable joints,
Types of Synovial Joints	Uniaxial joints, Biaxial joints, and Multiaxial joints
Which joint is the largest, most complex, and most commonly injured in the body?	The knee joint
List the two anatomical components of an intervertebral disk.	Fibrous tissue and fibrocartilage form a disk’s outer rim (called the annulus fibrosus). Its central core (the nucleus pulposus), in contrast, consists of a pulpy, elastic substance
Name one example of each of the following types of movement at a synovial joint: angular, circular, gliding, and special.	Angular – Elbow flexion Circular – Shoulder circumduction Gliding – Carpal bones of the wrist. Special – Thumb opposition
Describe the difference between flexion and extension.	Flexion and extension are opposite types of angular movements at a joint. flexion bends a joint, and extension straightens it
Osteoarthritis	Degenerative joint disease (DJD), is the most common noninflammatory disorder of movable joints. It is characterized by “wear and tear” degeneration and fracturing of articular cartilage
Bursitis	Inflammation of a bursa, caused by prolonged pres-sure, excessive or repetitive exercise, or sudden trauma that involves one of these fluid-filled sacs
Heberden nodes	Is swelling and deformities of the distal interphalangeal joints
Rheumatoid arthritis (RA)	Autoimmune disease that involves chronic inflammation of many different tissues and organs of the body. Generally attacks joints first.
Gouty arthritis	Inflammatory arthritis, caused by excess blood levels of uric acid, a nitrogenous waste, are deposited as sodium urate crystals within the synovial fluid of joints and in other tissues.
Psoriatic arthritis	Inflammatory type of arthritis of varying severity than can progress from skin psoriasis

Created by: user-1988424

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