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Musculature

Upper Extremity Muscles

QuestionAnswer
Supraspinatus - origin Supraspinous fossa/ Scapula
Supraspinatus - insertion Greater tubercle/ Humerus
Supraspinatus - action Abducts Humerus
Infraspinatus - origin Infraspinous fossa/ Scapula
Infraspinatus - insertion Greater tubercle/ Humerus
Infraspinatus - action Lateral rotation of Humerus
Teres Minor - origin Inferior lateral border/ Scapula
Teres Minor - insertion Greater tubercle/ Humerus
Teres Minor - action Lateral rotation of Humerus
Subscapularis - origin Subscapular fossa/ Scapula
Subscapularis - insertion Lesser tubercle/ Humerus
Subscapularis - action Medial rotation of Humerus
Teres Major - origin Inferior angle/ Scapula
Teres Major - insertion Intertubercular groove/ Humerus
Teres Major - action Extension, adduction & Medial rotation of Humerus
Biceps Brachii - origin Shrt Hd: Coracoid Process/ Scapula,Lng Hd: Supraglenoid Tubercle/ Scapula
Biceps Brachii - insertion Radial tuberosity/ Radius & Ulna
Biceps Brachii - action Flexes forearm (elbow), Supinates (radioulnar joint) & Flexes shoulder
Coracobrachialis - origin Coracoid process/ Scapula
Coracobrachialis - insertion Medial shaft of Humerus
Coracobrachialis - action Adducts Humerus & Flexes shoulder
Brachialis - origin Anterior distal shaft of Humerus
Brachialis - insertion Ulnar Tuberosity
Brachialis - action Flexes forearm
Triceps Brachii - origin Lng Hd: infraglenoid tubercle/ Scapula, Lateral Hd: superior lateral shaft/ Hmerus, Medial Hd: posterior inferior shaft/ Humerus
Triceps Brachii - insertion Olecranon/ Ulna
Triceps Brachii - action Extends forearm & Extends shoulder
Brachioradialis - origin Lateral epicondyle & distal shaft/ Humerus
Brachioradialis - insertion Styloid process/ Radius
Brachioradialis - action Flexes forearm
Pronator Teres - origin Medial epicondyle/ Humerus
Pronator Teres - insertion Distal-lateral surface/ Radius
Pronator Teres - action Pronates forearm
Palmaris Longus - origin Medial epicondyle/ Humerus
Palmaris Longus - insertion Palmar aponeurosis
Palmaris Longus - action Flexes wrist
Flexor Carpi Radialis - origin Medial epicondyle/ Humerus
Flexor Carpi Radialis - insertion Metacarpals 2 & 3
Flexor Carpi Radialis - action Flexes & abducts wrist
Flexor Carpi Ulnaris - origin Medial epicondyle/ Humerus & Distal medial aspect/ Ulna
Flexor Carpi Ulnaris - insertion Pisiform & Hamate & Metacarpal 5
Flexor Carpi Ulnaris - action Flexes & adducts wrist
Flexor Digitorum Superficialis - origin Medial epicondye/ Humerus, Ulna & Radius
Flexor Digitorum Superficialis - insertion Middle Phalanges
Flexor Digitorum Superficialis - action Flexes phalanges & wrist
Flexor Digitorum Profundus - origin Ulna & interosseous membrane
Flexor Digitorum Profundus - insertion Distal Phalanges
Flexor Digitorum Profundus - action Flexes phalanges & wrist
Flexor Pollicis Longus - origin Anterior shaft/ Radius & interosseous membrane
Flexor Pollicis Longus - insertion Pollex
Flexor Pollicis Longus - action Flexes pollex
Extensor Carpi Radialis Longus & Brevis - origin Lateral epicondyle/ Humerus
Extensor Carpi Radialis Longus & Brevis - insertion Metacarpals 2&3
Extensor Carpi Radialis Longus & Brevis - action Extends & Abducts wrist
Extensor Carpi Ulnaris - origin Lateral epicondyle/ Humerus
Extensor Carpi Ulnaris - insertion Metacarpal 5
Extensor Carpi Ulnaris - action Extends & Abducts wrist
Extensor Digitorum - origin Lateral epicondyle/ Humerus
Extensor Digitorum - insertion Phalanges 2-5
Extensor Digitorum - action Extends phalanges
Created by: mindhyper
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