Unit 9 : Joints

Question 1

Joints

Answer 1

The study of Joints is called Arthrology

Kinesiology is the study of Musculoskeletal Movement

Question 2

Joins Classification

Answer 2

There are 2 Classification of Joints:

1. How the Bones are Joined, this includes:
   
   • Fibrous
   • Cartilaginous
   • Bony and Synovial Joints
2. How the Bones Move

Question 3

Type of Joins

Answer 3

There are 3 types of Joint Movements:

1. No Movement = Syn-Ar-Throsis
2. Slightly = Am-phi-ar-Throsis
3. Freely = Di-ar-throsis
   (This includes all Synovial Joints)

Question 4

Synarthrosis

Answer 4

This joint has no movement and can be found:

1. Sutures
2. Gomphosis ( a joint that binds teeth to teeth sockets in the maxillary bone and mandible.
3. Syn.chon.drosis ( composed entirely of hyaline cartilage found in the Epiphyseal plate of long bones)

Question 5

Amphiarthrosis

Answer 5

Amphiarthrosis allow for slight movements of joints:

1. Syndesmosis Joint
   
   • (Distal Tibiofibular Joint) / Articulation of Tibia and Fibula
2. Symphyses Joint - are always in the midline of the body
   
   • Pubic symphyses
   • Intervertebral disc

Question 6

Diarthrosis

Answer 6

1. Diarthrosis Joints are freely moveable.
2. Joints are moveable because of the space between bones called the Synovial Cavity
3. Contains Articular Capsule and an Articular Cartilage
4. Articular capsule is composed of two layers:
   
   • The outer fibrous capsule
   • The Inner Synovial Membrame (provides lubrication and synovial fluid to joints)
5. Articular Cartilage
   
   • Which is Hyaline cartilage covering the joint surfaces

Question 8

The Knee

Answer 8

The Knew is the Preeminent Joint of Joints