Related Experiment Videos
[The carpal-metacarpal joint. A radio-dynamic study].
1Service de Chirurgie Orthopédique et Traumatologique, Hôpital de la Croix Rouge Française, Bois-Guillaume.
Annales De Chirurgie De La Main : Organe Officiel Des Societes De Chirurgie De La Main
|January 1, 1989
Summary
Dynamic wrist X-rays reveal carpo-metacarpal joint mobility during abduction and adduction. This joint movement influences global displacement, accentuating it during ulnar inclination and decreasing it during radial inclination.
Area of Science:
- Orthopedics
- Biomechanics
- Radiology
Background:
- Understanding wrist joint mechanics is crucial for diagnosing and treating wrist injuries.
- Dynamic assessment provides insights into joint function beyond static imaging.
Purpose of the Study:
- To investigate carpo-metacarpal joint mobility during wrist abduction and adduction using dynamic radiography.
- To quantify the angular changes between the radius, capitate, and third metacarpal during these movements.
Main Methods:
- 178 dynamic anterior-posterior (A-P) X-rays of the wrist were analyzed.
- Measurements of angles between the radius and capitate, and radius and third metacarpal were calculated.
- Angles were assessed during maximal wrist abduction and adduction movements.
Main Results:
- The study demonstrated significant carpo-metacarpal joint mobility.
- During ulnar inclination, the joint accentuates global displacement.
- During radial inclination, the joint decreases global displacement.
Conclusions:
- The carpo-metacarpal joint plays a dynamic role in wrist motion.
- Understanding these dynamic changes is important for evaluating wrist biomechanics and pathology.
- Dynamic A-P radiography is a valuable tool for assessing wrist joint mobility.