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TBL 6 - COA
Shoulder and Posterior Arm
37
Medical
Graduate
11/11/2011

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Cards

Term
Coracoclavicular ligament
Definition
Strong pair of bands that unite the coracoid process of the scapula to the clavicle, anchoring the clavicle to the coracoid process.
Term
Rotator Cuff Muscles
Definition
Supraspinatus, Infraspinatus, Teres Minor, and Subscapularis
Term
Glenoid Labrum
Definition
Ring-like, fibrocartilaginous structure which deepens glenoid cavity of the scapula.
Term
Deltoid Action
Definition
Arm Abduction
Term
Deltoid's innervation
Definition
Axillary Nerve
Term
Nerve associated with surgical head of humerus
Definition
Axillary
Term
Innervation of the teres minor
Definition
Axillary Nerve
Term
Proximal attachment of the teres minor
Definition
Middle part of lateral border of scapula
Term
Distal Attachment of the Teres Minor
Definition
Inferior facet of greater tubercle of humerus
Term
Action of Teres minor
Definition
Laterally rotates arm; and acts with rotator cuff muscles
Term
Proximal attachment of Teres Major
Definition
Posterior surface of inferior angle of scapula
Term
Distal attachment of teres major
Definition
Medial lip of intertubercular sulcus of humerus
Term
Action of teres major
Definition
Adducts and medially rotates arm
Term
Innervation of Supraspinatus muscle
Definition
Suprascapular nerve
Term
Innervation of Infraspinatus muscle
Definition
Suprascapular Nerve
Term
Proximal attachment of supraspinatus muscle
Definition
Supraspinous fossa of scapula
Term
Proximal attachent of infraspinaus muscle
Definition
Infraspinous fossa of scapula
Term
Distal attachment of Supraspinatus muscle
Definition
Superior facet of greater tubercle of humerus
Term
Distal attachment of Infraspinatus muscle
Definition
Middle facet of greater tubercle of humerus
Term
Action of supraspinatus muscle
Definition
Initiates and assists deltoid in abduction of arm and acts with rotator cuff muscles.
Term
Action of Infraspinatus muscle
Definition
Laterally rotates arm, and acts with rotator cuff muscles.
Term
Proximal attachment of subscapularis muscle
Definition
Subscapular fossa
Term
Distal attachment of subscapularis
Definition
Lesser tubercle of humerus
Term
Action of Subscapularis
Definition
Medially rotates arm; part of rotator cuff
Term
Innervation of the Triceps Brachii
Definition
Radial Nerve
Term
Nerve in the radial groove of the humerus
Definition
Radial
Term
Coracoacromial ligament
Definition
Forms a protective arch overlying the humeral head, preventing its superior displacement from the glenoid cavity.
Term
Greenstick fracture
Definition
One side of a bone is broken and the other is bent.
Term
Most common fracture site in the proximal humerus
Definition
Surgical neck
Term
Arm position post-avulsion fracture of the greater tubercle of the humerus
Definition
Medial rotation.
Term
Dislocation of the AC joint
Definition
Hard fall on the shoulder or on the outstretched upper limb or from a direct impact on the joint area.
Term
Shoulder Separation
Definition
AC Joint dislocation. A torn coracoclavicular ligament causes the shoulder to be separated from the clavicle.
Term
Painful Arc Syndrome
Definition
Pain associated with supraspinatus tenditis that occurs during abduction because the tendon is in intimate contact with the inferior surface of the acromion.
Term
Calcific Supraspinatus Tendinitis
Definition
Caused by the deposition of calcium in the supraspinatus tendon.
Term
Test for degenerative tendinitis of the rotator cuff
Definition
Lower the fully abducted arm slowly. Drops at 90 degrees.
Term
Physical appearance after Axillary Nerve Injury
Definition
Deltoid atrophies. Flattened shoulder.
Term
Radial Nerve Injury at radial groove
Definition
Triceps not paralyzed. Long head is not affected.
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