Biomechanics – Carpal Bones; The basics.

Carpal bone biomechanics play a crucial role in wrist health. The carpal bones are a group of eight small bones located in the wrist joint. They are arranged in two rows: the proximal row, which is closer to the forearm, and the distal row, which is closer to the hand. These bones, along with the ligaments and tendons in the wrist, enable various movements and support the overall stability and function of the hand.

Here are a few key ways in which carpal bone biomechanics can affect wrist health:

1. Stability: The carpal bones contribute to the stability of the wrist joint. Their alignment and proper articulation ensure that the wrist joint can withstand forces and maintain stability during activities such as gripping, lifting, and rotating objects. If there is any misalignment or disruption in the carpal bones’ biomechanics, it can lead to instability, which may result in pain, weakness, and reduced functional abilities.
2. Range of motion: The carpal bones, along with the other structures in the wrist, determine the range of motion available at the joint. The complex interactions between the carpal bones allow for flexion, extension, adduction, abduction, and circumduction movements of the wrist. If there are any restrictions or abnormalities in the carpal bone biomechanics, it can limit the range of motion and impair everyday activities.
3. Load distribution: The carpal bones distribute forces that are transmitted from the forearm to the hand. During activities involving the hand and wrist, such as typing, writing, or using tools, forces are transmitted through the carpal bones. If there is an imbalance or excessive load on certain carpal bones, it can lead to uneven stress distribution, which may increase the risk of overuse injuries like carpal tunnel syndrome or tendinitis.
4. Ligament and tendon support: The carpal bones provide attachment sites for ligaments and tendons, which help stabilize and control the movements of the wrist. The ligaments hold the carpal bones together, while the tendons connect muscles to the bones, allowing for coordinated movement. Any disruption or dysfunction in the carpal bone biomechanics can impact the integrity and function of these ligaments and tendons, leading to conditions like ligament sprains or tendonitis.

Overall, maintaining proper carpal bone biomechanics is essential for optimal wrist health. Regular exercise, proper ergonomics, and avoiding repetitive or excessive stress on the wrists can help minimize the risk of injuries and promote overall wrist health. If you’re experiencing any wrist pain or discomfort in the wrist or want to learn how to improve wrist stability please contact me.