Muscle Origins
The supraspinatus originates in this fossa?
What is the supraspinous fossa?
The infraspinatus inserts here.
What is the greater tubercle of the humerus?
The deltoid is the prime mover for this shoulder motion.
What is abduction?
This bone forms the only bony connection between the arm and torso.
This muscle is the only muscle on the back of the upper arm.
What is triceps brachii?
The long head of the biceps brachii originates from this scapular structure?
What is the supraglenoid tubercle?
The coracobrachialis inserts along this surface of the humerus.
What is the medial humeral shaft?
The teres major and latissimus Dorsi share these two shoulder actions.
What is extension and adduction?
The shallow socket of the scapula that articulates with the humerus.
What is the glenoid cavity?
This muscle is often injured in baseball pitchers and originates from the infraspinous fossa.
What is the infraspinatus?
The pectoralis major originates here, among other places.
What is the clavicle and sternum?
The latissimus dorsi insert into this groove of the humerus.
What is the inter tubercular sulcus?
The supraspinatus assists with this motion during the first 15 degrees.
What is abduction?
The ridge the scapula that separates the supraspinous and infraspinous fossae.
What is the spine of the scapula?
This muscle is called the "swimmer's muscle" and performs adduction, extension and internal rotation.
What is the Latissiums Dorsi?
This rotator cuff mucle originates in the subscapular fossa.
What is subscapularis?
The subscapularis inserts here.
What is the lesser tubercle of the humerus.
The infraspinatus and teres minor perform this motion at the shoulder.
What is external rotation?
This landmark on the humerus is where the deltoid inserts.
What is the deltoid tuberosity?
This muscle forms the rounded contour of the shoulder.
What is the deltoid?
The triceps brachii long head originates from this scapular structure.
What is the infraglenoid tubercle?
The trees major inserts here, near the latissimus Dorsi.
What is the medial lip of the inter tubercular sulcus.
The rotator cuff muscles together perform this key function.
What is stabilizing the head of the humerus in the glenoid cavity?
This long "S" shaped bone meets up with your breastbone to form this joint.
What is the sternoclavicular joint?
This muscle is part of the rotator cuff, internally rotates the humerus and originates on the anterior scapula.
What is subscapularis?