Specific Joints-UE Flashcards
What is the open (loose) packed position of the glenohumeral joint?
55 degrees scaption with 30 degrees horizontal adduction
What is the closed pack position of the glenohumeral joint?
Abduction and lateral rotation
What is the capsular pattern of the glenohumeral joint?
External rotation
Abduction
Internal rotation
What joints make up the shoulder?
Glenohumeral
Acromioclavicular
Sternoclavicular
Scapulothoracic
What structure enhances the stability of the sternoclavicular joint?
Fibrocartilaginous disc
Aside from enhancing the stability of the SC joint, what are 2 other functions of the fibrocartilaginous disc?
Acts as a shock absorber
Serves as the axis for clavicular rotation
What osteokinematics motions occur at the SC joint? (6)
Elevation Depression Retraction Protraction Medial rotation Lateral rotation
What is the loose pack position of the SC joint?
Arm resting by the side
What is the closed pack position of the SC joint?
Maximum shoulder elevation
What is the capsular pattern for the SC joint?
Pain at extreme ranges of movement
What is the loose pack position of the AC joint?
Arm resting by the side
What is the closed pack position of the AC joint?
90 degrees of shoulder abduction
What is the capsular pattern for the AC joint?
Pain at extreme ranges of movement
What ligament limits superior translation of the humeral head?
Coracoacromial ligament
What ligament acts as the primary support to the AC joint?
Coracoclavicular ligament
What ligament limits superior translation of the clavicle?
Coracoclavicular ligament
What ligament limits inferior translation of the humeral head?
Coracohumeral ligament
What ligament acts as the primary support to the SC joint?
Costoclavicular ligament
What bursa is often affected by shoulder impingement?
Subacromial bursa
What ligament is responsible for maintaining the long head of the biceps within the bicipital groove?
Transverse humeral ligament
What are the three articulations that make up the elbow?
Radiohumeral
Ulnohumeral
Proximal Radioulnar
What osteokinematic motions take place at the radiohumeral joint?
Flexion
Extension
Supination
Pronation
What is the loose pack position of the radio humeral joint?
Full extension, supination
What is the closed pack position of the radio humeral joint?
90 degrees of flexion, 5 degrees supination
What is the capsular pattern of the radiohumeral joint?
Flexion
Extension
Supination
Pronation
What osteokinematic motions take place at the ulnohumeral joint?
Flexion
Extension
What is the loose pack position of the ulnohumeral joint?
70 degrees elbow flexion, 10 degrees supination
What is the closed pack position of the ulnohumeral joint?
Extension
What is the capsular pattern of the ulnohumeral joint?
Flexion
Extension
What osteokinematic motions take place at the proximal radioulnar joint?
Pronation
Supination
What is the loose pack position of the proximal radioulnar joint?
70 degrees elbow flexion, 35 degrees supination
What is the closed pack position of the proximal radioulnar joint?
5 degrees supination
What is the capsular pattern at the proximal radioulnar joint?
Supination
Pronation
What ligament surrounds the head of the radius?
Annular ligament
List 5 structures that pass through the cubital fossa.
Biceps brachii tendon Median nerve Radial nerve Brachial artery Median cubital vein
What structure prevents excessive abduction of the elbow joint?
Ulnar collateral ligament
What structure prevents excessive adduction of the elbow joint?
Radial collateral ligament
What 2 joints make up the wrist?
Radiocarpal joint
Midcarpal joint
What osteokinematic motions occur at the radiocarpal joint?
Flexion
Extension
Radial deviation
Ulnar deviation
What is the loose pack position of the radiocarpal joint?
Neutral with slight ulnar deviation
What is the closed pack position of the radiocarpal joint?
Extension with radial deviation
What is the capsular pattern of the radiocarpal joint?
flexion and extension are equally limited
What muscles form the borders of the anatomical snuff box?
Abductor pollicis longus
Extensor pollicis brevis
Extensor pollicis longus
What carpal bone can be palpated in the anatomical snuff box?
Scaphoid
What structures lies directly on top of the carpal tunnel?
Flexor retinaculum
What structures is affected when the size of the carpal tunnel is reduced?
Median nerve
What structure limits hyperextension at the wrist?
Palmar radiocarpal ligament
What structure sits in between the ulna, lunate and triquetrum?
Triangular fibrocartilage complex (TFCC)
What structures lie in the tunnel of Guyon?
Ulnar nerve
Ulnar artery
List the bones that make up the proximal row of carpals. (laterally to medially)
Scaphoid
Lunate
Triquetrum
Pisiform
List the bones that make up the distal row of carpals. (laterally to medially)
Trapezium
Trapezoid
Capitate
Hamate
What structure runs through the cubital tunnel?
Ulnar nerve