Hand anatomy is a complex interplay of bones, muscles, tendons, ligaments, and nerves that work together to facilitate a wide range of movements and functions. The hand contains 27 bones: 8 carpal bones in the wrist, 5 metacarpal bones in the palm, and 14 phalanges in the fingers. These bones are supported by a network of ligaments that provide stability, while the intrinsic and extrinsic muscles enable fine motor control and powerful grip. The hand’s intricate tendon system, including the flexor and extensor tendons, allows for precise finger movements. Additionally, the median, ulnar, and radial nerves innervate the hand, ensuring sensory perception and motor function. This intricate anatomy is essential for the hand’s dexterity and versatility in performing everyday tasks.
Hand sonoanatomy involves the use of high-resolution ultrasound to visualize and assess the intricate structures of the hand, including bones, tendons, ligaments, muscles, and neurovascular components. This imaging technique provides real-time, dynamic evaluation, allowing detailed visualization of the extensor and flexor tendons, pulleys, and the intricate ligamentous structures of the hand. Ultrasound is particularly useful for diagnosing conditions such as tendonitis, ligament tears, nerve compressions, and soft tissue masses. Its ability to assess both static and dynamic states makes it a valuable tool for understanding the complex anatomy and functionality of the hand.
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