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Upper Extremity Joints

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What Is Upper Extremity Joints?

Upper extremity joints refer to the joints located in the upper limb, which includes the shoulder, elbow, wrist, and hand. These joints allow for a wide range of movements, enabling activities such as reaching, grasping, and manipulating objects. Here is a brief overview of the upper extremity joints:

  1. Shoulder joint: The shoulder joint is a ball-and-socket joint formed by the head of the humerus (upper arm bone) and the glenoid cavity of the scapula (shoulder blade). It allows for a wide range of motion, including flexion, extension, abduction, adduction, rotation, and circumduction.
  2. Elbow joint: The elbow joint is a hinge joint formed by the articulation of the humerus, radius, and ulna bones. It enables flexion and extension movements, allowing for the bending and straightening of the arm.
  3. Wrist joint: The wrist joint is a complex joint formed by multiple small bones in the hand (carpal bones) and the radius and ulna bones of the forearm. It facilitates various movements, including flexion, extension, radial deviation (moving the wrist towards the thumb side), ulnar deviation (moving the wrist towards the little finger side), and limited degrees of rotation.
  4. Hand joints: The hand consists of multiple joints that enable intricate movements for gripping, manipulating objects, and performing fine motor tasks. These include the metacarpophalangeal joints (MCP joints) at the base of the fingers, the proximal interphalangeal joints (PIP joints) in the middle of the fingers, and the distal interphalangeal joints (DIP joints) at the fingertips.

The upper extremity joints work together to provide stability, mobility, and dexterity to the arm and hand. They are vital for carrying out daily activities, sports, and occupational tasks. If you experience any pain, stiffness, or limitations in the upper extremity joints, it is advisable to seek medical evaluation for an accurate diagnosis and appropriate treatment


Call 817.697.4038 today to schedule an appointment with one of our Texas Orthopedic Upper Extremity Specialists!