BLK 1- Quizes Flashcards
Which of the following describes the scapulohumerol rhythm?
2:1, Glenohumeral:Scapularthoracic movement
which is a boney landmark of the scapula?
corcoid process
what is the angled inclination of the humeral process?
135 degrees
The sternocostal head of the pectoralis major receives motor innervation from the
medial pectoral nerve
What is the action of the pectoralis major muscle?
horizontal abduction and internal rotation of the humerus
the medial 2/3 of the clavicle is
convex anteriorly
What is the primary function of the glenoid laberum?
to increase stability of the glenoidhumeral joint by deepening the glenoid fossa
what is the primary restraint to external rotation of the humerus when it is at 90 degrees abduction
the anterior band of the inferior glenorhumeral ligament
what is the insertion of the pectoralis major muscle?
lateral to the intertubercular groove of the humerus
what are actions of the anterior deltoid muscle
forward flextion and internal rotation of the humerus
what is the origin of the subscapularis muscle
the subscapular fossa
what is the origin of the subscapularis muscle
the subscapular fossa
what are the borders of the second part of the axillary artery
the medial border of pectoralis minor and the lateral border of pectoralis minor
what contributes to the scapular anastimosis
dorsal scapular artery
which nerve roots contribute to the musculocutaneous nerve
C5,C6,C7
