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Movements at Synovial Joints

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1 Movements at Synovial Joints
4/20/2017 9:35 AM Movements at Synovial Joints Anatomy & Physiology I Chapter 7b © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2 Summary of Characteristics of Body Joints
Joint names Articulating bones Structural classification Functional classification Movements allowed





7 Movements at Synovial Joints
Gliding Angular movements: Flexion, extension, hyperextension Abduction, adduction Circumduction Rotation Medial and lateral rotation

8 Movements at Synovial Joints
4. Special movements Supination, pronation Dorsiflexion, plantar flexion of the foot Inversion, eversion Protraction, retraction Elevation, depression Opposition

9 Gliding Movements One flat bone surface glides or slips over another similar surface Examples: Intercarpal joints Intertarsal joints Between articular processes of vertebrae

10 Gliding Gliding movements at the wrist

11 Angular Movements Movements that occur along the sagittal plane:
Flexion—decreases the angle of the joint Extension— increases the angle of the joint Hyperextension—excessive extension beyond normal range of motion

12 Hyperextension Extension Flexion Angular movements: flexion, extension, and hyperextension of the neck

13 Extension Hyperextension Flexion Angular movements: flexion, extension, and hyperextension of the vertebral column

14 Flexion Extension Flexion Extension Angular movements: flexion and extension at the shoulder and knee

15 Angular Movements Movements that occur along the frontal plane:
Abduction—movement away from the midline Adduction—movement toward the midline Circumduction—flexion + abduction + extension + adduction of a limb so as to describe a cone in space

16 Abduction Circumduction Adduction Angular movements: abduction, adduction, and circumduction of the upper limb at the shoulder

17 Rotation The turning of a bone around its own long axis Examples:
Between C1 and C2 vertebrae Rotation of humerus and femur

18 Rotation Lateral rotation Medial rotation Rotation of the head, neck, and lower limb

19 Special Movements Movements of radius around ulna:
Supination (turning hand backward) Pronation (turning hand forward)

20 Pronation (radius rotates over ulna) Supination (radius and ulna are parallel) Pronation (P) and supination (S)

21 Special Movements Movements of the foot:
Dorsiflexion (upward movement) Plantar flexion (downward movement)

22 Dorsiflexion and plantar flexion

23 Special Movements Movements of the foot:
Inversion (turn sole medially) Eversion (turn sole laterally)

24 Inversion Eversion Inversion and eversion

25 Special Movements Movements in a transverse plane:
Protraction (anterior movement) Retraction (posterior movement)

26 Protraction of mandible Retraction of mandible Protraction and retraction

27 Special Movements Elevation (lifting a body part superiorly)
Depression (moving a body part inferiorly)

28 Elevation of mandible Depression of mandible Elevation and depression

29 Special Movements Opposition of the thumb
Movement in the saddle joint so that the thumb touches the tips of the other fingers

30 Opposition Opposition

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