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34 Cards in this Set
- Front
- Back
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Upper Trapezius |
Origin: External Occipital Protuberance Ligamentum Nuchae (To C7)
Insertion: Acromion of Scapula
Action: Elevation, upward rotation |
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Middle Trapezius |
Origin: C7-T5
Insertion: Spine of Scapula
Action: Retraction of Scapula |
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Lower Trapezius |
Origin: T6-T12
Insertion: Root of Spine of Scapula
Action: Depression, upward rotation |
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Trapezius is ____ ___________ muscle of the back |
Trapezius is the most superficial muscle of the back |
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Levator Scapula |
Origin: C1-C4
Insertion: Vetebral border of scapula from superior angle to root of spine
Action: Elevation, downward rotation |
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Rhomboid Minor |
Origin: C7 and T1
Insertion: Root of spine of scapula
Action: Retraction |
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Rhomboid Major |
Origin: T2-T5
Insertion: Vetebral border of scapula from roof of spine to inferior angle
Action: Retraction |
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Serratus Anterior |
Origin: Lateral surface of upper 8 ribs (by finger- like slips)
Insertion: Vetebral border of scapula
Action: Protraction, stabilizes scapula |
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Pectoralis Minor |
Origin: Anterior surface of ribs 3, 4, 5 near costal cartiladge
Insertion: Coracoid process of scapula
Action: Protraction, depression |
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Pectoralis Major |
Origin: Clavicular head Sternocostal head
Insertion: Bicipital groove of humerus
Action: Adduction, Medial rotation CH: Flexion of humerus SH: Extension of humerus |
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Latissimus Dorsi |
Origin: Thoracolumbar Aponeurosis (Lower 6 thoracic spinous process, sacrum etc.)
Insertion: Bicipital groove of humerus
Action: Extension, medial rotation, adduction, downward rotation of scapula |
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Latissimus means ______ and Dorsi means ____ |
Latissimus means widest and Dorsi means back |
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Supraspinatus |
Origin: Supraspinous Fossa of scapula
Insertion: Greater tubercle of humerus
Action: Abduction |
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Infraspinatus |
Origin: Infraspinous Fossa of scapula
Insertion: Greater tubercle of humerus
Action: Lateral rotation, extension of humerus |
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Teres Minor |
Origin: Upper 2/3 of axillary border of scapula
Insertion: Greater tubercle of humerus
Action: Lateral rotation, extension of humerus |
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Subscapularis |
Origin: Subscapular fossa of scapula
Insertion: Lesser tubercle of humerus
Action: Medial rotation, adduction of humerus |
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Teres Major |
Origin: Lower third of axillary border of scapula
Insertion: Bicipital groove of humerus
Action: Extension, medial rotation, adduction of humerus |
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Anterior Deltoid |
Origin: Lateral third of clavicle
Insertion: Deltoid tuberosity of humerus
Action: Flexion, horizontal adduction, medial rotation |
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Middle Deltoid |
Origin: Acromion of scapula
Insertion: Deltoid tuberosity of humerus
Action: Abduction |
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Posterior Deltoid |
Origin: Spine of scapula
Insertion: Deltoid tuberosity of humerus
Action: Abduction, lateral rotation |
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Coracobrachialis |
Origin: Coracoid Process of Scapula
Insertion: Middle 1/3 of medial surface of humeral shaft
Action: Flexion, adduction |
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Biceps Brachii |
Origin: Short head- Coracoid process Long head- Supraglenoid tuberacle
Insertion: Tuberosity of radius
Action: Flexion of elbow, soupination of forearm Short head- Flexion of humerus |
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Brachialis |
Origin: Lower half of anterior shaft of humerus
Insertion: Tuberocity, coracoid process of ulna
Action: Flexion |
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Triceps Brachii |
Origin: Long head- Infraglenoid tuberacle of Lateral head- Spiral groove Medial head- Spiral groove
Insertion: Olecranon process of ulna
Action: Extension of elbow LH- Extension of humerus |
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Flexor Carpi Radialis |
Origin: Medial epicondyle of humerus
Insertion: 2nd and 3rd metacarpals
Action: Flexion of wrist |
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Flexor Carpi Ulnaris |
Origin: Humeral head- Medial epicondyle
Insertion: 5th metacarpal
Action: Flexion |
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Palmaris Longus |
Origin: Medial epicondyle
Insertion: Palmar aponeurosis
Action: Flexion of wrists
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Flexor Digitorum Superficialis |
Origin: Medial epicondyle
Action: Flexion of 4 fingers |
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Brachioradialis |
Origin: Lateral supracondylar ridge of humerus
Insertion: Styloid process of radius
Action: Flexion of elbow (From neutral) |
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Extensor Carpi Radialis Longus |
Origin: Lateral epicondyle
Insertion: 2nd metcarpal
Action: Extension of wrist |
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Extensor Carpi Radialis Brevis |
Insertion: 3rd metacarpal |
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Extensor Carpi Ulnaris |
Insertion: 5th metacarpal
Action: Adduction of wrist |
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Extensor Digitorum |
Origin: Lateral epicondyle
Insertion: Extensor expansion of 4 fingers
Action: Extension of 4 fingers |
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Extenor Digiti Minimi |
Insertion: 5th finger |
