Articulation

Question 1

What are the two main criteria for classifying joints?

Answer 1

The amount & type of movement allowed (function) and type of tissue involved (structure)

These criteria help in understanding how joints operate and their structural characteristics.

Question 2

What are the three classification aspects for joints?

Answer 2

The amount & type of movement allowed, type of tissue involved, and shape of joint surfaces

These aspects provide a comprehensive framework for categorizing different joints.

Question 3

What type of joint is characterized by the presence of synovial fluid?

Answer 3

Synovial joint

Synovial joints are the most common type of joint and allow for a wide range of motion.

Question 4

Name a key structure found in synovial joints.

Answer 4

Synovial membrane, articular cartilage, joint capsule, ligaments

These structures are essential for the function and stability of synovial joints.

Question 5

What is the function of synovial fluid?

Answer 5

Lubrication and nourishment of joint structures

Synovial fluid reduces friction between articular cartilages of synovial joints.

Question 6

What anatomical term describes the movement of a limb away from the midline of the body?

Answer 6

Abduction

Abduction is a common movement in many synovial joints, such as the shoulder and hip.

Question 7

Fill in the blank: The movement that decreases the angle between two body parts is called _______.

Answer 7

Flexion

Flexion is typically observed in hinge joints like the elbow and knee.

Question 8

True or False: All joints allow for the same range of motion.

Answer 8

False

Different joints allow for varying degrees and types of movement based on their classification.

Question 9

What is the term for the movement that brings a limb closer to the midline of the body?

Answer 9

Adduction

Adduction is the opposite of abduction and is important in joint function.

Question 10

List the types of movements that synovial joints can perform.

Answer 10

• Flexion
• Extension
• Abduction
• Adduction
• Rotation
• Circumduction

These movements are essential for various physical activities and functions.

Question 11

Describe the term used for circular movement at a joint.

Answer 11

Rotation

Rotation can occur in various joints, such as the shoulder and hip, allowing for extensive movement.