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Read Chap 8. Review all notes & diagrams. Finish the last slide – the six types of synovial joints. Chap 8 Joints Pgs.155-174. Learning Objectives: Explain an articulation (joint). Classify joints based on structure and function. Describe their characteristics.

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chap 8 joints pgs 155 174

Read Chap 8. Review all notes & diagrams. Finish the last slide – the six types of synovial joints.

Chap 8 Joints Pgs.155-174

Learning Objectives:

Explain an articulation (joint).

Classify joints based on structure and function. Describe their characteristics.

Demonstrate common body movements.

Identify and describe the main joints of the elbow, knee, hip, and shoulder.

Explain the basis of common joint injuries such as rotator cuff injury.

shoulder problems
Shoulder Problems
  • A patient presents will extreme pain in the shoulder area, mobility is limited, and rest/ ice have not improved the situation over time. After thorough examination, it is determined that the patient’s cartilage is badly torn. Rotator cuff surgery is required:

http://video.google.com/videoplay?docid=2748399179169714896

review
Review
  • What is an articulation?

An articulation is also known as a _________.

What are sutures (as in the coronal suture)?

joints
Joints
  • Weakest parts of the skeleton
  • Two functions of joints
    • Give the skeleton _________
    • Hold the skeleton __________
classification of joints functional pg 157
Classification of Joints: Functional Pg. 157
  • Functional classification is based on the amount of ________ allowed by the joint
  • The three functional classes of joints are:
    • Synarthroses – __________
    • Amphiarthroses – ___________
    • Diarthroses – ___________
fibrous joints pg 157
Fibrous Joints Pg.157
  • The bones are joined by _______ tissues
  • There is no joint _______
  • Most are ____________
  • There are three types:

1. sutures (Example: seams in the skull)

2. syndesmoses (bones connected by

____________) Example: ligament connecting the distal ends of the tibia and fibula

3. gomphoses (____ -in-socket type of fibrous joint) Example: peridontal ligament

cartilaginous joints pg 158
Cartilaginous Joints Pg.158
  • Articulating bones are united by ________
  • Lack a joint ______
  • Two types:

1. synchondroses – bar or plate of cartilage

(Example: immoveable joint between the

coastal cartilage of the first rib and

manubrium)

2. symphyses – articular surfaces of bones covered with hyaline cartlage which in turn is fused to a __________ pad (or plate) of ______________.

Example: intervertebral joints

synovial joints pg 160
Synovial Joints Pg.160

Those joints in which the articulating bones are separated by a ____________ joint cavity.

All are _______ movable

Examples – all limb joints, and most joints of the body

  • All have the following:
    • a. Articular cartilage
    • b. Joint (synovial) cavity
    • c. Articular capsule
    • d. ___________ fluid
    • e. Reinforcing ____________
friction reducing structures in synovial joints
Friction-Reducing Structures in Synovial Joints
  • _________ – flattened, fibrous sacs lined with synovial membranes and containing synovial fluid
  • Common where ligaments, muscles, skin, tendons, or bones rub together
  • ____________ – elongated bursa that wraps completely around a tendon
review of joints thus far
Review of Joints (Thus Far)
  • See handout
  • Estimated Time of completion = 8- 10 minutes
  • Will check answers
synovial joints movement pg 164
Synovial Joints: Movement Pg. 164
  • The two muscle attachments across a joint are:

1. ________ – attachment to the immovable bone

2. _________ – attachment to the movable bone

synovial joint range of motion
Synovial Joint: Range of Motion
  • ________ – slipping movements only
  • ________ – movement in one plane
  • _______ – movement in two planes
  • _______ – movement in or around all three planes

There are also 3 general types of movements: _______, _______, and rotation

gliding pg 163
Gliding Pg.163

One flat bone surface _______ or slips over another similar surface

Examples – intercarpal and intertarsal joints, and between the flat articular processes of the vertebrae

angular pg 164
Angular Pg. 164
  • _______ — bending movement that decreases the angle of the joint
  • _________ — reverse of flexion; joint angle is increased
  • _________ and plantar flexion — up and down movement of the foot
  • ________ — movement away from the midline
  • ________ — movement toward the midline
  • __________ — movement describes a cone in space
rotation
Rotation
  • The turning of a bone around its own long _____
  • Examples
    • Between first two vertebrae
    • Hip and shoulder joints
special movements
Special Movements
  • Supination and pronation Pg.170
special movements continued
Special Movements continued
  • Inversion and eversionPg.172
special movements continued1
Special Movements continued
  • Protraction and retractionPg. 169
special movements continued2
Special Movements continued
  • Elevation and depression Pg. 168
partner activity
Partner Activity
  • Quickly pair with a partner.
  • Each person should complete question #10 (a – p) pg 174 now in their workbook.
  • Then demonstrate the motions (as listed under question #10 (a-p) pg 174 to their partner
types of synovial joints
Types of Synovial Joints

Using pages 161-163 as a guide name, describe and site examples of the six types of synovial joints:

1.

2.

3.

4.

5.

6.

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