Hand & Wrist

The content of this website is an educational resource only. It is not a substitute for discussion with your doctor regarding your particular condition, and treatment decisions.

The human hand is made up of the wrist, palm, and fingers. The most flexible part of the human skeleton, the hand enables us to perform many of our daily activities. When our hand and wrist are not functioning properly, daily activities such as writing, bathing, and eating can become impossible.

The hand’s complex anatomy consists of 27 bones, 27 joints, 34 muscles, over 100 ligaments and tendons, numerous blood vessels, nerves, and soft tissue.

The wrist is comprised of 8 bones called carpal bones. These wrist bones connect to 5 metacarpal bones that form the palm of the hand. Each metacarpal bone connects to one finger or a thumb at a joint called the metacarpophalangeal joint, or MCP joint. This joint is commonly referred to as the knuckle joint.

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The common diseases and injuries affecting the hand and wrist include:

  • American Society for Surgery of the Hand (ASSH)
  • American Academy of Orthopaedic Surgeons (AAOS)
  • The American Board of Orthopaedic Surgery (ABOS)