Activity 1: Classification of Joins and Identifying Fibrous Joints

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1

Almost every bone in the body forms a ____ with at least one other bone.

joint

2

Joints are also known as what?

Articulations

3

What are the 2 functions of articulations?

1. Hold bones together

2. Provide flexibility for body movements

4

Joints may be classified in what 2 ways?

1. Structurally

2. Functionally

5

The structural classification of joints is based on the presence of what 3 features?

1. Connective tissue fiber

2. Cartilage

3. Joint cavity

6

The functional classification focuses on ____ at the joint.

on the amount of movement

7

Name the 3 types of joints in regards to movement ability.

1. Synarthroses

2. Amphiarthroses

3. Diarthroses

8

Describe syntharthroses, amphiarthroses, and diarthroses in term of movement ability.

1. Syntharthroses: immovable joints

2. Amphiarthroses: slightly movable joints

3. Diarthroses: freely movable joints

9

Fibrous joints are connected by what type of tissue?

dense regular connective tissue

10

Is there a joint cavity in fibrous joints?

No.

11

What are 3 structural types of fibrous joints?

1. Suture

2. Syndesmosis

3. Gomphosis

12

1. Suture joints of fibrous joints are made up of what type of fiber?

2. Syndesmosis joints of fibrous joints are made up of what type of fiber?

3. Gomphosis joints of fibrous joints are made up of what ligament type?

1. short fibers

2. longer fibers

3. periodontal ligament

13

How do you describe short fibers which make up suture joints in term of mobility?

Immobile

14

How do you describe long fibers which make up syndemosis joints in term of mobility?

More mobility

15

What is an example of a suture joint that falls under fibrous joints?

Squamous suture between parietal and temporal bones

16

What is an example of a syndesmosis joint that falls under fibrous joints?

Between the tibia and fibula

17

What is an example of a gomphosis joint that falls under fibrous joints?

Tooth in a bony socket

18

The suture joint that falls under fibrous joints can be classified functionally as?

Synarthrosis

19

The syndesmosis joint that falls under fibrous joints can be classified functionally as?

amphiarthrosis

20

The gomphosis joint that falls under fibrous joints can be classified functionally as?

synarthrosis

21
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Identify the missing features.

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22
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Identify the missing features.

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