Final Ligaments Flashcards
Coracoclavicular ligament attachments
Trapezoid - from… coracoid process
to… trapezoid line of clavicle
Conoid - from… coracoid process
to… conoid tubercle of clavicle
Coracoclavicular ligament motions restricted
Stabilizes acromioclavicular joint
Limits:
- medial displacement
- protraction
- elevation
Acromioclavicular ligament attachments
from… superior aspect of acromial end of the clavicle
to… adjacent acromion
Acromioclavicular ligament motions restricted
stabilizes acromioclavicular joint
Coracoacromial ligament attachments
from… lateral border of coracoid process
to… acromion adjacent to clavicular articulation
Coracoacromial ligament motions restricted
Prevents superior displacement of the humeral head
Coracohumeral ligament attachments
from… base of coracoid process
to… anterior aspect greater tubercle
Coracohumeral ligament motions restricted
Reinforces superoanterior aspects of joint capsule
Costoclavicular ligament attachments
from… superior aspect of cartilage of first rib
to… undersurface of the clavicle
Costoclavicular ligament motions restricted
Stabilizes sternoclavicular joint
Limits elevation of the clavicle
Superior transverse scapular ligament attachments
from… the base of the coracoid process
to… the medial edge of the scapular notch
Superior transverse scapular ligament motions restricted
Closes off the suprascapular notch
Glenoid capsule attachments
from… the circumference of the glenoid cavity
to… anatomical neck of the humerus
Glenohumeral ligament attachments
from… upper part of medial margin of glenoid cavity
to… lesser tubercle & anatomical neck
Glenohumeral ligament motions restricted
Stabilizes glenohumeral articulation
Ulnar collateral ligament attachments
from… medial epicondyle
to… medial margin of coronoid process & olecranon process
Ulnar collateral ligament motions restricted
Resists excessive cubital valgus
Radial collateral ligament attachments
from… lateral epicondyle
to… anular ligament
Radial collateral ligament motions restricted
Resists excessive cubital varus
Anular ligament attachments
from… the anterior margin of the radial notch
to… posterior margin of radial notch surrounding head of radius
Anular ligament motions restricted
Stabilizes proximal radioulnar joint
(UE) Interosseous membrane attachments
from… interosseous border of radius
to… interosseous border of ulna
Transverse carpal ligament attachments
from… the pisiform & hook of hamate
to… scaphoid & trapezium
Transverse carpal ligament motions restricted
prevents bowstringing of the tendons of the flexor pollicis longus, flexor digitorum superficialis & flexor digitorum profundus muscles