Upper Limb - Wrist + Hand Flashcards
What joint type is between concave distal radius and articualr disc and the convex scaphoid, lunate, triquetrium?
Synovial Ellipsoid joint
What ligaments support the distal radiocarpal joint? (4)
Palmar radiocarpal ligament
Palmar ulnocarpal ligament
Dorsal radiocarpal Ligament
Radial and ulnar collateral carpal ligaments
What blood vessels supply the distal radiocarpal joints?
Dorsal and palmar carpal arches
What vessels drain blood from the radiocarpal joint?
Deep veins of forearm
What lymph’s drain the radiocarpal joint?
Accompany deep veins and artery’s to axillary
What innervates the radiocarpal joint?
Anterior interosseous nerve
Posterior interosseous nerve
Deep branches of ulnar nerve
C7,C8)
What type of joint is the midcarpal joint ?
Plane synovial intercarpla joints (gliding motion)
What ligaments support the Midcarpal joints ?
Palmar intercarpal ligament
Dorsal intercarpal ligament
Radial collateral ligament
Ulnar collateral ligament
What type of joint is the carpometacarpal joint? CMC
Plane synovial joint
Blood supply of the CMC joints ?
Palmar + dorsal carpal network
Innervation of the CMC joints ?
Anterior + Posterior interosseous nerve
Deep and dorsal branches of ulnar nerve
Ligaments of the CMC joints?
3
Dorsal carpometacarpal ligament
Palmar metacarpal ligament
Interosseous metacarpal ligament
Carpometacarpal joint of thumb is a ____ Joint
Synovial saddle joint
What type of joints are found at MCP joints?
Plane synovial joints @ 2-3-4-5
Blood supply of MCP joints ?
Adjacent digital arteries
Innervation of MCP joints ?
Median + radial nerve = index and middle finger (C7)
Ulnar nerve = ring and little finger (C7)
What type of joints are DIP/PIP joints ?
Synovial hinge joints
Ligaments of the PIP/DIP joints?
Collateral ligaments
Palmar ligaments
Innervation of DIP?PIP joints
Median = anterior index middle lateral side of ring finger
Radial = Posterior index middle + lateral side of ring finger
Ulnar nerve = midial side of ring + little finger
Thumb joint (CMC) is what type of joint?
Synovial saddle joint
Ligaments of CMC thumb joint ?
Radial carpometacarpal ligament
Anterior + Posterior oblique ligaments (A+P)
Innervation of CMC joint of thumb?
A+P branches of interosseous nerve C7/C8
MCP joint of thumb is a ____ joint
Synovial condyloid joint
Ligaments of thumb CMP joint?
Collateral ligaments Palmar ligament (2 sesamoid bones) Extensor expansion (extensor pollicis longus lig.
