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Upper limb joints (pg 57-60)
Terms in this set (21)
Name the ligament that spans from sternum to clavicle anteriorly
anterior sternoclavicular ligament
Name the ligament that runs obliquely from the first costal cartilage to the inferior surface of the clavicle near its medial end
does the sternoclavicular joint have an articular disk? If so, what is its purpose?
yes, it prevents medial displacement of the clavicle
what type of joint is the acromioclavicular joint?
name the two parts of the coracoclavicular ligament? what is their purpose?
conoid (medially) and trapezoid (laterally)... they prevent the acromion from moving inferiorly relative to the clavicle when the acromion is forced medially
what type of joint is the glenohumeral joint?
ball and socket synovial
Name the muscles of the rotator cuff
Supraspinatus, infraspinatus, teres minor, subscapularis
is the joint capsule attached to the anatomical or surgical neck of the humerus?
how many glenohumeral ligaments are there? name them, and describe their function
three, superior middle and inferior glenohumeral ligaments, and they strengthen the anterior wall of the fibrous capsule.
which head of the biceps brachii muscle passes through tthe glenoid cavity to attach to the supraglenoid tubercle?
what is the function of the acromion, coracoid process, and coracoacromial ligament?
prevent superior displacement of the head of the humerus
what makes up the hinge joint between the humerus and ulna?
the trochlea of the humerus and the trochlear notch of the ulna
what makes up the gliding joint between the humerus and the radius?
the capitulum of the humerus and the head of the radius
what ligament runs from the ulna to the medial epicondyle of the humerus?
ulnar collateral ligament
name the ligament that fans out from the lateral epicondyle of the humerus to the radius and annular ligament?
radial collateral ligament
the radial notch of the ulna and what ligament form the proximal radioulnar pivot joint?
what type of joint is the interosseous joint?
does the distal radioulnar joint have an articular disk? If so, what does it do?
yes, it holds the radius and ulna together
what is the technical term for the wrist joint?
with what two carpal bones does the radius articulate at the wrist?
scaphoid and lunate (makes them the two most commonly fractured during falls onto an outstretched hand)
Radiocarpal articular disk articulates with the triquetrium when the hand is abducted or adducted?
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