The capsule of the joint is lax and extends from the inferior sacciform recess to the ulnar shaft.
[6] The parts forming the radiocarpal joint are the lower end of the radius and under surface of the articular disk above; and the scaphoid, lunate, and triquetral bones below.
[9] The radiocarpal, intercarpal, midcarpal, carpometacarpal, and intermetacarpal joints often intercommunicate through a common synovial cavity.
[11]The extrinsic hand muscles are located in the forearm where their bellies form the proximal fleshy roundness.
[17] Wrist pain has a number of causes, including carpal tunnel syndrome,[16] ganglion cyst,[19] tendinitis,[20] and osteoarthritis.
It is more common in non-Hispanic women and is associated with factors such as alcohol consumption, smoking, high serum phosphate levels, osteoporosis, and obesity.
[21] The English word "wrist" is etymologically derived from the Proto-Germanic word wristiz from which are derived modern German Rist ("instep", "wrist") and modern Swedish vrist ("instep", "ankle").