From the Research
The medical term for the webbing between the thumb and index finger is the "first web space" or "thenar web space." This area consists of skin and soft tissue that connects the thumb to the index finger, allowing for proper hand function and grip. Anatomically, it's part of the thenar eminence region, which contains muscles that control thumb movement. The first web space is clinically significant as it can be affected by conditions like syndactyly (abnormal webbing between digits) or web space infections. Surgeons and hand therapists pay particular attention to this area during reconstructive procedures and rehabilitation, as maintaining adequate first web space is essential for proper thumb opposition and pinch function. Contractures or scarring in this area can significantly impair hand dexterity and functional abilities.
Some key points to consider:
- The first web space is a critical area for hand function and grip, and its integrity is essential for maintaining dexterity and functional abilities 1.
- Conditions like syndactyly can affect the first web space, and surgical reconstruction may be necessary to restore proper hand function 2, 3.
- The thenar web space is also important for thumb movement and opposition, and contractures or scarring in this area can significantly impair hand function 4, 5.
- Maintaining adequate first web space is crucial for proper thumb opposition and pinch function, and surgeons and hand therapists should prioritize this area during reconstructive procedures and rehabilitation 1, 5.