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Multiple Choice
Which of the following is NOT a synovial joint?
A
acromioclavicular joint
B
sternocostal joint
C
talocrural joint
D
glenohumeral joint
Verified step by step guidance
1
Understand the definition of a synovial joint: Synovial joints are characterized by a fluid-filled joint cavity that allows for a wide range of motion. They include structures such as articular cartilage, a synovial membrane, and a joint capsule.
Identify the characteristics of each joint listed: Determine if each joint has the features of a synovial joint, such as the presence of a synovial cavity and the ability to move freely.
Examine the acromioclavicular joint: This joint is located between the acromion of the scapula and the clavicle. It is a synovial joint, allowing for gliding movements.
Analyze the talocrural joint: This joint, also known as the ankle joint, is a synovial hinge joint that allows for dorsiflexion and plantarflexion of the foot.
Evaluate the sternocostal joint: This joint is between the sternum and the costal cartilages of the ribs. It is primarily a cartilaginous joint, not a synovial joint, which is why it is the correct answer to the question.