Joints of upper limbs from "summary" of Bd Chaurasia's Human Anatomy, Volume 1 by B. D. Chaurasia
The joints of the upper limbs play a crucial role in the intricate movements of the arms, forearms, wrists, and hands. These joints are essential for performing various activities such as lifting, pushing, pulling, and grasping objects. Understanding the structure and function of these joints is vital for medical professionals, especially those specializing in orthopedics and rehabilitation. The upper limb joints can be broadly classified into two categories: synovial joints and non-synovial joints. Synovial joints are characterized by the presence of a joint cavity filled with synovial fluid, which lubricates and nourishes the joint surfaces. These joints allow for a wide range of movements, including flexion, extension, abduction, adduction, and rotation. Examples of synovial joints in the upper limbs include the shoulder joint, elbow joint, wrist joint, and finger joints. Non-synovial joints, on the other hand, lack a joint cavity and are held together by fibrous tissue or cartilage. These joints are more stable but have limited mobility compared to synovial joints. Examples of non-synovial joints in the upper limbs include the sternoclavicular joint and the acromioclavicular joint. The should...
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