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What muscle originates on the anterior surface of the scapula and inserts on the proximal anterior humerus?
The muscle you are referring to is the subscapularis muscle. It originates on the subscapular fossa of the scapula and inserts on the lesser tubercle of the humerus. It is responsible for medial rotation of the shoulder joint.
What bone do the muscles of the rotator cuff originate?
The rotator cuff muscles are referred to occasionally as the SITS muscles. The Supraspinatus, Infraspinatus, Teres minor and the subscapularis. The Supras. originates on the scapula and inserts on the humerus. The Infras. originates on the scapula and inserts on the humerus(greater tubercle. The Teres minor originates on the scapula and inserts on the humerus. The Subscapularis originates on the scapula and inserts on the humerus(lesser tubercle). The function of this muscle group is to stabilize the shoulder joint. Hope this helps.
What muscle originates on scapula and proximal humerus and inserts on olecranon process?
The triceps originates on the scapula and proximal humerus and inserts on the olecranon process. The muscles has three heads (hence its name) so it has multiple origins.
What muscle flexes the elbow but neither originates nor inserts on the humerus?
The biceps brachii muscle.
What muscle originates on the distal anterior humerus and inserts onto the coronoid process of the ulna to cause arm reflexion?
The brachialis muscle originates on the distal anterior humerus and insert at the coronoid process. The function of the brachialis is flexion at the elbow.
What is the large broad sheet of muscle that originates along the thoracic and lumbar vertebrae and inserts upon the humerus?
The large broad sheet of muscle you are referring to is the latissimus dorsi. It is responsible for movements like shoulder extension, adduction, and medial rotation of the arm.
What large muscle originates along the sternum and inserts onto the humerus?
You have the pectoralis major muscle in the chest wall. It arise from the sternum and the clavicle. It is inserted on the lateral part of the bicipital groove.
What back muscle originates on the vertebral spinous processes?
The rhomboid major originates on the spinous processes of the second to fifth thoracic border and inserts on the medial border of the scapula. It retracts the scapula.
What bones are connected to the latissimus dorsi?
The latissimus dorsi comes from the spinous processes of the seventh to twelfth thoracic vertebrae, inferior three or four ribs, and the scapula. It inserts into the humerus.
What is the depression on the ulna into which the humerus inserts?
olecranon fossa
What muscle inserts on the greater tubercle of humerus?
supraspinatus
Does the biceps brachii muscle originate or insert on the humerus?
It inserts onto the humerus. It originates from the coracoid process of the scapula. There are 2 parts - Long head and short head. The long head is connected to the coracoid process by a tendon that comes up between the tubercules of the humerous. The short head is connected directly to the humerus.
