Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content +++ Anatomy of the Wrist and Hand +++ Anterior View ++ +++ Posterior View ++ +++ Physiologic (Osteokinematic) Motions of the Wrist and Hand ++ Table Graphic Jump Location|Download (.pdf)|Print Joint Normal ROM Normal End Feel(s) Abnormal End Feel(s) Distal radioulnar Pronation = 90° Supination = 90° Pronation = capsular Supination = capsular Radiocarpal Flex = 60°–80° Ext = 60°–70° RD/UD = 20°–30° Flex = firm/ligamentous/elastic Ext = firm/ligamentous/elastic RD = bony UD = firm/bony Capsular = pronation & supination equally restricted Intercarpal Flex with RC jt = 60°–80° Ext with RC jt = 60°–80° RD/UD with RC jt = 20°–30° Flex = firm/ligamentous/elastic Ext = firm/ligamentous/elastic RD = bony UD = firm/bony CMC thumb Flex = 45°–50° Ext = 70°-80° Abd = 70° Elastic Capsular = abd > ext MCP thumb Flex = 75°–90° Flex = bony/firm/ligamentous/elastic Ext = firm/elastic MCP 2–5 Flex = 90° Flex = elastic/bony/firm/ ligamentous Ext = elastic/capsular/ ligamentous Abd = firm/ligamentous IP 2–5 PIP flex = 100° DIP flex = 80° PIP flex = firm/bony/elastic PIP ext = firm/ligamentous/ elastic DIP flex = firm/ligamentous/ elastic DIP ext = firm/ligamentous/ elastic +++ Accessory (Arthrokinematic) Motions of the Wrist and Hand ++ Table Graphic Jump Location|Download (.pdf)|Print Arthrology Arthrokinematics Distal Radioulnar Concave surface: Ulnar notch of radius Convex surface: Head of ulna To facilitate pronation: Radius rolls & glides medially over ulna To facilitate supination: Radius rolls & glides laterally over ulna Radiocarpal/Intercarpal Concave surface:Radius & R/U disk To facilitate wrist flexion:Proximal carpal rolls anterior & glides posterior on radius with distal carpal rolling anterior & gliding posterior on proximal carpal To facilitate ext:Proximal carpal rolls posterior & glides anterior & on radius with distal carpal rolling posterior & gliding anterior on proximal carpal Convex surface:Proximal carpals To facilitate radial deviation:Proximal carpal rolls lateral & glides medial on radius with distal carpal rolling lateral & gliding medial on proximal carpal To facilitate ulnar deviation:Proximal carpal rolls medial & glides lateral on radius with distal carpal rolling medial & gliding lateral on proximal carpal CMC 2–5 Concave surface: Base of metacarpals To facilitate thumb flex: MC rolls & glides medial on trapezium To facilitate thumb ext: MC rolls & glides lateral on trapezium CMC thumb Convex surface: Distal row of carpals To facilitate thumb abd: MC rolls proximal & glides distal on trapezium To facilitate thumb add: MC rolls distal & glides proximal on trapezium MCP 2–5 Concave surface: Base of proximal phalanx To facilitate flex: Proximal phalanx rolls & glides anterior on MC To facilitate ext: Proximal phalanx rolls & glides posterior on MC MCP thumb Convex surface: Head of metacarpal To facilitate thumb flex: Distal phalanx rolls & glides anterior on the proximal phalanx To facilitate thumb ext: Distal ... Your Access profile is currently affiliated with [InstitutionA] and is in the process of switching affiliations to [InstitutionB]. Please select how you would like to proceed. Keep the current affiliation with [InstitutionA] and continue with the Access profile sign in process Switch affiliation to [InstitutionB] and continue with the Access profile sign in process Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Error: Incorrect UserName or Password Username Error: Please enter User Name Password Error: Please enter Password Sign in Forgot Password? Forgot Username? Sign in via OpenAthens Sign in via Shibboleth You already have access! Please proceed to your institution's subscription. Create a free profile for additional features.