Shoulder Muscles insertons, origins,
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What is the origin of the Trapezius | External occipital protuberance, ligamentum nuchae, spinous processes of C7-T12
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What is the insertion of the Trapezius | Spine of scapula, acromion, lateral 1/3 of clavicle
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What is the origin of the Pectoralis Major | Medial 2/3 of the vlavicle, anterior manubrium and body of sternum, costal cartilages of ribs 1-6, aponeurosis of external oblique.
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What is the insertion of the Pectoralis Major | Lateral lip of the bicipital groove (intertubervular crest of the greater tubervle).
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What is the origin of the Pectoralis Minor | Ventral aspect of the ribs 3-5
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What is the insertion of the Pectoralis Minor | Coracoid process of the scapula
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What is the origin of the Serratus anterior | anterolateral surgace of ribs 1-8.
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What is the insertion of the serratus anterior | Costal (anterior) surgace of medial border of scapula (mostly at the inferior angle).
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What is the origin of the Rhomboid major | Spine of T2-T5
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What is the insertion of the Rhomboid major | Medial boarder of the scapula between spine and inferior angle.
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What is the origin of the Rhomboid minor | Spinous process of C7-T1
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What is the insertion of the Rhomboid minor | Base of spine of scapula
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What is the origin of the Levator Scapulae | Transverse processes of C1-4
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What is the insertion of the Levator scapulae | Medial border of scapula between superior angle and base of spine
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What is the origin of the Latissimus Dorsi | Spinous process T7-12, spinous process of lumbar and sacral verteebrae via lumbodorsal fascia, iliac crest, and lower 4 ribs
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What is the origin of the deltoid | Lateral 1/3 of clavicle, acromion, and spine of scapula
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What is the insertion of the deltoid | Lateral surface of middle humerus (deltoid tuberosity)
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What is the insertion of the Supraspinatus | Superior facet of greater tubercle of humerus
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What is the origin of the Supraspinatus | Supraspinous fossa of scapula
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What is the origin of the Infraspinatus | infraspinous fossa of the scapula
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What is the insertion of the Infraspinatus | middle facet of greater tubercle of humerus
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What is the origin of the Teres minor | Upper 2/3 of posterior surface of lateral boarder of scapula.
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What is the insertion of the Teres minor | Lowest facet of greater tubercle of humerus
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What is the origin of the Teres Major | Posterior surface of inferior angle of scapula
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What is the insertion of the Teres Major | Medial lip of bicepital groove (crest of lesser tubercle)
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What is the origin of the Subscapularis | subscapular fossa
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What is the insertion of the Subscapularis | lesser tubercle of humerus.
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