Learn about sports injuries and some basics about anatomy.
Actions of Trapezius Muscle: Upper trapezius: elevation and upward rotation of the scapula Middle trapezius: retraction of the scapula Lower trapezius: depression and upward rotation of the scapula Origin of Trapezius Muscle: External occipital protuberance Ligamentum nuchae Spinous processes of C7 to T12 Insertion of Trapezius Muscle: Upper trapezius: lateral clavicle and acromion Middle trapezius:
Actions of Latissimus Dorsi: Extension of humerus Medial rotation of humerus Adduction of humerus Latissimus Dorsi Muscle Origin of Latissimus Dorsi: Thoracolumbar aponeurosis Lower 6 thoracic spinous processes Sacrum & iliac crest Lower 3 to 4 ribs Inferior angle of the scapula Insertion of Latissimus Dorsi: Bicipital groove of the humerus Common Latissimus Dorsi
