Upper Extremity Joints Flashcards
Sternoclavicular joint
- sellar (saddle) synovial joint
- Between sternum & clavicle
- Articular capsule, Articular disc, Costoclavicular L., Anterior sternoclavicular L., Posterior sternoclavicular L., Interclavicular L.
Acromioclavicular joint
- planar synovial joint
- clavicle & acromion of scapula
- Articular capsule, Articular disc, Acromioclavicular L., Coracoclavicular L.’s (trapezoid L. + Conoid L.)
Glenohumeral Joint
- Spheriodal synovial joint
- Glenoid cavity of scapular head & head of humerus
- Glenoid labrum, Articular capsule (fibrous capsule + synovial membrane: Bursae of glenohemeral joint: Subscapular bursa + Subacromial bursa), Glenohumeral L’s, Coracohumeral L, Transverse humeral L, Coracoacromial arch: coracoacromial L
Elbow joint
- ginglymus (hinge) synovial joint
- Humeral condyle & trochlear notch of ulna & head of radius
Humeroulnar joint (elbow joint)
-ginglymus (hinge) synovial joint
- ulna & humerus
- ulnar collateral L of elbow: anterior band, posterior band, oblique band
Humeroradial joint (elbow joint)
-ginglymus (hinge) synovial joint
- humerus & radius
- Radial collateral L. of elbow
Bursae of elbow joint
- Olecranon bursae: subtendinous olecranon bursa, intratendinous olecranon bursa, subcutaneous olecranon bursa
- Subcutaneous bursa of medial humeral epicondyle
- Subcutaneous bursa of lateral humeral epicondyle
- Bursa of anconeus
- Bursa @ origin of extensor carpi radialis brevis
- Bicipitoradial bursa
Proximal radioulnar joint
- Trochoid (pivot) synovial joint
- radius & ulna
- articular capsule, sacciform recess, annular L
Middle radioulnar joint
- Syndesmosis (fibrous joint)
- Radius & ulna
- Oblique cord, interosseous membrane
Distal Radioulnar joint
- Trochoid (pivot) synovial joint
- head of ulna & ulnar notch of radius & articular disc of wrist (distally)
- Articular capsule: sacciform recess, articular disc of distal radioulnar joint, articulate disc of distal radioulnar joint
Radiocarpal (wrist) joint
- condylar synovial joint
- distal end of radius & articular disc of wrist & scaphoid, lunate, & triquetrum bones
- Articular capsule, Articular disc of distal radioulnar joint, palmar radiocarpal L, Dorsal radiocarpal L, Palmar ulnocarpal L, Dosal ulnocarpal L, Radial collateral L. of wrist, Ulnar collateral L, of wrist
Intercarpal Joints
- Planar synovial joints
- scapholunate, lunotiquetrum, pisotriquetrum, pisohamate, trapeziotrapezoid, capitohamate, trapeziocapitate
- Articular capsule (fibrous capsule + synovial membrane), Posterior intercarpal L, Anterior intercarpal L, Interosseous intercarpal L, Pisiform Joint (pisohamate L)
Midcarpal Joint
- Sellar (saddle) synovial Joint
- proximal & distal rows of carpal bones
- Articular capsule (synoival membrane & fibrous capsule)
Carpometacarpal joints
- 1st
- Sellar (saddle) synovial joint
- trapezium & 1st metacarpal bone
- Articular capsule, Palmar carpometacarpal L, dorsal carpometacarpal L - 2nd-5th
- Planar synovial joint
- distal carpal row & 2nd-5th metacarpal bones
- Articular capsule, Palmar carpometacarpal L, Dorsal carpalmetacarpal L, Pisometacarpal L, Radiate carpal L.
Intermetacarpal Joints
- Planar synoival joints
-Articular capsule, Dorsal intermetacarpal L., Palmar Intermetacarpal L, Interosseous intemetacarpal L