muscle attachments
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each of the black spaces below before clicking
on it to display the answer.
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| Serratus Anterior (Upper Fibers) | O: Anterior Superior Lateral surface of Ribs 1-4
I: Anterior surface of Medial border of scapula
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| Serratus Anterior (Lower Fibers) | O: Anterior superior lateral surface of ribs 5-9
I: Anterior superior Inferior angle of scapula
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| Rhomboid Major | O: Spinous process T2-T5
I: Medial border of scapula running from the spine to inferior angle
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| Rhomboid Minor | O: Inferior part of Ligament Nuchae, Spinous Processes of C7-T1
I: Root of the spine of scapula
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| Upper Trapezius (Scapular Fibers) | O: Occiput, nuchal ligament and spinous process of C7
I: Superior surface of acromion and lateral 1/3 of spine of scapula
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| Upper Trapezius (Clavicular Fibers) | O: Superior nuchal line of occiput and nuchal ligament
I: Superior, Posterior, Lateral 1/3 of clavicle
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| Middle Trapezius | O: Spinous Processes of T1-5
I: Middle 1/3 of superior surface of spine of scapula
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| Lower Trapezius | O: Spinous Processes of T5-12
I: Tubercle(Root) at medial end of the scapular spine
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| Levator Scapula | O: Transverse Process of atlas and axis, C3 & C4 (C1-4)
I: Medial border of scapula from the root of the spine of scapula to superior angle
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| Subclavius | O: Upper border of 1st rib and manubrium
I: Groove on the underside of the clavicle & @junction of clavicle & acromion
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| Pectoralis Minor | O: Superior margins of ribs 2-5
I: Anterior survace of the coracoid process
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| Pectoralis Major (Sternal Fibers) | O: Anterior surface of sternum and cartilage of 1-6 ribs
I: Crest of greater tubercle of humerus, proximal medial surface of humerus
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| Pectoralis Major (Clavicular Fibers) | O: Medial 1/3 of anterior surface of clavicle
I: Lower lateral aspect of bicipital groove
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| Pectoralis Major (Costal Fibers) | O: Aponeurosis of external oblique and cartilage of ribs 6&7
I: Outer bicipital ridge of humerus
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| Latissimus Dorsi | O: Spinous process of T6-12, last 3-4 ribs, posterior aspect of tip of the scapula, Thoracolumbar Fascia and posterior Iliac Crest
I: Into bottom, medial aspect of intertubercular groove
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| Teres Major | O: Posterior surface of inferior angle and lower 1/3 of lateral border of scapula
I: Crest of lesser tubercle of humerus
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| Anterior Deltoid (Scapular Fibers) | O: Most anterior lateral surface of clavicle and acromion process of scapula
I: Anterior, medial surface of deltoid tuberosity of humerus
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| Anterior Deltoid (Clavicular Fibers) | O: Anterior border and superior surfaces of lateral 1/2 of clavicle
I: Anterior, medial surface of deltoid tuberosity of humerus
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| Middle Deltoid (Posterior Fibers) | O: Acromion process of scapula
I: Lateral aspect of deltoid tuberosity of humerus
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| Middle Deltoid (Anterior Fibers) | O: Upper surface of Acromion Process
I: Lateral aspect of deltoid tuberosity of humerus
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| Posterior Deltoid (Medial Fibers) | O: Inferior margin of spine of scapula, most medial fibers
I: Posterior aspect of deltoid tuberosity
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| Posterior Deltoid (Lateral Fibers) | O: Inferior margin of spine of scapula, most lateral fibers
I: Posterior aspect of deltoid tuberosity
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| Supraspinatus | O: Posterior fibers arising from the spine of the scapula and the medial 2/3 of supraspinatus fossa
I: Greater tubercle of humerus and the capsule of the shoulder joint
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| Teres Minor | O: Superior 2/3 of posterior surface of the lateral border of the scapula
I: Inferior aspect of the greater tubercle of the humerus and the joint capsule of the shoulder
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| Infraspinatus (Superior Fibers) | O: Superior 1/4 of Infraspinous fossa of scapula
I: Greater tubercle of humerus
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| Infraspinatus (Superior-Middle Fibers) | O: Superior-middle 1/4 of infraspinous fossa of scapula
I: Greater tubercle of humerus
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| Infraspinatus (Inferior-Middle Fibers) | O: Inferior-middle 1/4 of infraspinous fossa of scapula
I: Greater tubercle of the humerus
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| Infraspinatus (Inferior Fibers) | O: Inferior 1/4 of infraspinous fossa of scapula
I: Greater tubercle of the humerus
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| Subscapularis (Superior Fibers) | O: Superior 1/4 of subscapular fossa
I: Lesser tubercle of humerus
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| Subscapularis (Superior-Middle Fibers) | O: Superior-middle 1/4 of Subscapularis fossa
I: Lesser tubercle of humerus
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| Subscapularis (Inferior-Middle Fibers) | O: Inferior-middle 1/4 of subscapularis fossa
I: Lesser tubercle of humerus
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| Subscapularis (Inferior fibers) | O: Inferior 1/4 of subscapularis fossa
I: Lesser tubercle of humerus
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| Biceps Brachii (Long Head) | O: Supra-glenoid tubercle of scapula
I: Tuberosity of radius and lacertus fibrosis
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| Biceps Brachii (Short Head) | O: Tip of coracoid process of scapula
I: Tuberosity of proximal, medial radius
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| Coracobrachialis | O: Tip of coracoid process of scapula
I: Middle of medial surface and border of body/shaft of humerus (just opposite from deltoid tuberosity)
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| Brachialis | O: Distal anterior surface of humerus (lower half)
I: Tuberosity and coronoid process of ulna
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| Brachioradialis | O: Distal lateral surface of humerus
I: Forms flat tendon that attaches to the lateral side of the lower end of radius (styloid process)
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| Triceps (Long Head) | O: Infra-glenoid tubercle of scapula
I: Tendon of insertion which is attached to the superior posterior surface of the olecranon and deep fascia of the forearm
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| Triceps (Medial Head) | O: Posterior surface of distal half of the body of the humerus
I: Tendon of insertion which is attached to the superior posterior surface of the olecranon and deep fascia of the forearm
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| Triceps (Lateral Head) | O: Posterior lateral surface of proximal 1/2 of humerus
I: Tendon of insertion which is attached to the superior posterior surface of the olecranon and deep fascia of the forearm
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| Anconeus | O: Lateral epicondyle of humerus
I: Superior 1/4 of dorsal surface of ulna
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