Scaphotrapeziotrapezoidal Joint
Description
Names
- Scaphotrapeziotrapezoidal Joint
- Triscaphe Joint
- Trapeziotrapezoid Joint
Description
- Joint shared by scaphoid, trapezium, trapezoid
- Dome shaped joint on the radial side of the wrist
- Contributes to the joints of the distal carpal row
Actions
- Primarily involved in movement of the thumb[3]
- Bridges the proximal and distal rows of the carpus on its radial side[4]
Major Ligaments
- Trapeziotrapezoid Ligament
- Trapezoid-capitate Ligament
- Scaphotrapeziotrapezoid Ligament
- Major stabilizer of the STT joint
Vascular Supply
- Branches of the Radial Artery
Innervation
Clinical Significance
See Also
References
- ↑ Anakwe, R. E., and S. D. Middleton. "Osteoarthritis at the base of the thumb." BMJ 343 (2011).
- ↑ Case courtesy of Roberto Schubert, Radiopaedia.org, rID: 15700
- ↑ White L, Clavijo J, Gilula LA, Wollstein R. Classification system for isolated arthritis of the scaphotrapeziotrapezoidal joint. Scand J Plast Reconstr Surg Hand Surg. 2010;44:112–117.
- ↑ Wolf, Jennifer Moriatis. "Treatment of scaphotrapezio-trapezoid arthritis." Hand clinics 24.3 (2008): 301-306.
- ↑ Hagert, Elisabet, et al. "Immunohistochemical analysis of wrist ligament innervation in relation to their structural composition." The Journal of hand surgery 32.1 (2007): 30-36.