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21 Cards in this Set
- Front
- Back
Anconeus |
Origin: Lateral epicondyle of the humerus Insertion: Posterior, proximal ulna Action: Extends the elbow |
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Infraspinatus |
Origin: Infraspinatus fossa of the scapula Insertion: Greater tubercle Action: Externally rotates the GH joint, stabilizes the GH joint |
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Teres Minor |
Origin: Superior lateral border of the scapula Insertion: Greater tubercle Actions: Externally rotates the GH, stabilizes the GH |
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Supraspinatus |
Origin: Supraspinatus fossa of the scapula Insertion: Greater tubercle Action: Abduction of the arm, stabilizes the GH joint |
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Subscapularis |
Origin: Subscapula fossa on the anterior surface of the scapula Insertion: Lesser tubercle of the humerus Action: Internal rotates the GH joint, stabilizes the GH joint |
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Deltoid |
Origin: Lateral clavicle, acromion process and spine of the scapula Insertion: Deltoid tuberosity Actions: Everything except adduction, also horizontal adduction |
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Triceps Brachii |
Origin: Long Head-infraglenoid tubercle of the scapula Proximal 1/3 Lateral Head-posterior shaft of the humerus Distal 1/3 Medial Head-posterior shaft of humerus Insertion: Olecranon process Action: Extends elbow and shoulder, long head extends GH |
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Brachioradialis |
Origin: Lateral supracondylar ridge Insertion: Styloid process of the radius Actions: Elbow flexion and pronates and supinates to neutral |
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Brachialis |
Origin: Distal 1/2 of the anterior shaft of the humerus Insertion: Ulnar tuberosity and the coronoid process Action: Elbow flexion |
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Biceps Brachii |
Origin: Long Head-supraglenoid tubercle of the scapula. Short head-coracoid process Insertion: Radial tuberosity Actions: Flexion at the shoulder and elbow and supination at RU joint |
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Subclavius |
Origin: 1st rib Insertion: Inferior aspect of middle of 1/3 of clavicle Action: Depresses clavicle or reverse action elevates of 1st rib |
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Coracobrachialis |
Origin: The apex of the coracoid process of the scapula Insertion: Medial 1/3 of the shaft of the humerus Actions: Flexes the arm at the GH and adducts the arm at the GH |
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Pectoralis Major |
Origin: Medial clavicle, sternum, ribs 1-7 Insertion: Lateral lip of the bicipital groove Actions: Adducts the arm at GH joint, medially rotates the arm at GH joint, flexes the arm at the GH joint, horizontally adducts at GH joint |
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Pectoralis Minor |
Origin: Outer surface of ribs 3-5 Insertion: Coracoid process of the scapula Actions: Protracts the scapula, depresses the scapula, downwardly rotates the scapula and elevates ribs 3-5 |
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Trapezius |
Origin: External occipital protuberance, nuchal ligament (C1-C6) and spinous processes of C7-T12 Insertion: Lateral 1/3 of the clavicle, acromion process and spine of the scapula Actions: Laterally flexes the head/neck, extends the head/neck, contralaterally rotates the head/neck, elevates the scapula, retracts the scapula, depressed the scapula, upwardly rotates the scapula |
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Levator Scapulae |
Origin: Transverse process of C1-C4 Insertion:Medial border of the scapula from the superior angle to the root of the spine Actions: Elevates the scapula, extends the neck, laterally flexes the neck, ipsilaterally rotates the neck, downwardly rotates the scapula and retracts the scapula |
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Latissimus Dorsi |
Origin: Spinous process of T7-L5, posterior iliac crest and posterior sacrum Insertion: Medial lip of the bicipital groove of the humerus Actions: Medially rotates the arm, adducts the arm, extends the arm at the GH joint |
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Serratus Anterior |
Origin: Ribs 1-9 Insertion: Anterior surface of the medial border of scapula Actions: Protracts the scapula, upwardly rotates the scapula |
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Rhomboid Minor |
Origin: Spinous process of C7-T1 Insertion: Medial border of scapula at the root of the spine Action: Retracts the scapula, elevates the scapula, downwardly rotates the scapula |
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Rhomboid Major |
Origin: Spinous process of T2-5 Insertion: Medial border of scapula from the root of the spine to inferior angle Action: Retracts the scapula, elevates the scapula, downwardly rotates the scapula |
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Teres Major |
Origin: Inferior angle and inferior lateral border of scapula Insertion: Medial lip of the bicipital groove of the humerus Actions: Medially rotates, adducts and extends at the GH joint. "Fat little brother" to the Lats |
