Chapter 5 The Skeletal System 61 Copyright Goodheart-Willcox Co., Inc. May not be reproduced or posted to a publicly accessible website. Name ________________________________________________________________ 5. After reviewing the six structural types of synovial joints, complete the following chart. Synovial Joints Type of Synovial Joint Description Actions Permitted Example(s) Gliding zygapophyseal flexion/extension humeroulnar Pivot rotation Condylar flexion/extension abduction/adduction the articulating surfaces are both shaped like the seat of a riding saddle Ball-and-socket Goodheart-Willcox Publisher Critical Thinking One of the most commonly dislocated joints in the body is the glenohumeral joint. Patients who dislocate their shoulder are at an increased likelihood of subsequent dislocations. With this in mind, answer the following questions. 1. What are the common signs and symptoms associated with a joint dislocation? _ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 2. What two bones disarticulate in a shoulder dislocation? _ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________ 3. Explain why the glenohumeral joint is susceptible to dislocations. _ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ _________________________________________________________________________________________________________________