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 MyAccess profile is currently affiliated with '[InstitutionA]' and is in the process of switching affiliations to '[InstitutionB]'. Please click ‘Continue’ to continue the affiliation switch, otherwise click ‘Cancel’ to cancel signing in. 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 Username Error: Please enter User Name Password Error: Please enter Password Forgot Username? Forgot Password? Sign in via OpenAthens Sign in via Shibboleth