Shoulder, Arm, Forearm, Hand, Spine and Thorax Muscles OP2 Flashcards
Action of Flexor Carpi Radialis
Flex wrist
Origin of Flexor Carpi Radialis
Common flexor tendon from medial epicondyle of humerus
Insertion of Flexor Carpi Radialis
Bases of 2nd and 3rd metacarpals
Action of Flexor Digitorum Superficialis
Flex the 2nd-5th fingers
Origin of Flexor Digitorum Superficialis
Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane, proximal shaft of radius
Insertion of Flexor Digitorum Superficialis
Sides of middle phalanges of 2nd-5th fingers
Action of Flexor Digitorum Profundus
Flex 2nd-5th fingers
Origin of Flexor Digitorum Profundus
anterior and medial surfaces of proximal 3/4 of ulna
Insertion of Flexor Digitorum Profundus
Bases of distal phalanges, palmar surface of 2nd-5th fingers
Action of Palmaris Longus
flex the wrist
Origin of Palmaris Longus
Common flexor tendon from medial epicondyle of humerus
Insertion of Palmaris Longus
Flexor Retinaculum and palmar aponeurosis
Action of Flexor Carpi Ulnaris
Flex the wrist
Origin of Flexor Carpi Ulnaris
Common flexor tendon from medial epicondyle of humerus, posterior surface of proximal 2/3 of ulna
Insertion of Flexor Carpi Ulnaris
Pisiform,hook of hamate and base of 5th metacarpal
Action of Abductor Pollicis Longus
Abduct the thumb
Origin of Abductor Pollicis Longus
Posterior surface of radius and ulna, interosseous membrane
Insertion of Abductor Pollicis Longus
Base of 1st metacarpal
Action of Flexor Pollicis Longus
Flex the thumb
Origin of Flexor Pollicis Longus
Anterior Surface of Radius and interosseous membrane
Insertion of Flexor Pollicis Longus
Base of distal phalanx of thumb
Action of Extensor Pollicis Brevis
Extend the thumb
Origin of the Extensor Pollicis Brevis
Posterior surface of the radius and inetosseous membrane
Insertion of the Extensor Pollicis Brevis
Base of proximal phalanx of thumb
Action of Extensor Pollicis Longus
Extend the thumb
Origin of Extensor Pollicis Longus
Posterior surface of ulna and interosseous membrane
Insertion of Extensor Pollicis Longus
Base of distal phalanx of thumb
Action of Pronator Teres
Pronate the forearm
Origin of Pronator Teres
Common flexor tendon of the medial epicondyle of humerus and coronoid process of ulna
Insertion of the Pronator Teres
Middle of lateral surface of radius
Action of Pronator Quadratus
Pronate the forearm
Origin of Pronator Quadratus
Medial anterior surface of distal ulna
Insertion of Pronator Quadratus
Lateral anterior surface of distal radius
Action of Supinator
Supinate the forearm
Origin of Supinator
Lateral epicondyle of humerus, radial collateral ligament, annular ligament, supinator crest of ulna
Insertion of Supinator
Anterior lateral surface of proximal 1/3 of radial shaft
Action of Brachioradialis
Flex the elbow
Origin of Brachioradialis
Proximal 2/3 of later supracondylar ridge of humerus
Insertion of Brachioradialis
Styloid process of radius
Action of Brachialis
Flew the elbow
Origin of Brachialis
Distal half of anterior surface of humerus
Insertion of Brachialis
Tuberosity and coronoid process of ulna
Action of Extensor Carpi Radialis Longus
Extend the wrist
Origin of Extensor Carpi Radialis Longus
Distal 1/3 of lateral supracondylar ridge of humerus
Insertion of Extensor Carpi Radialis Longus
Base of the 2nd metacarpal
Action of Extensor Carpi Radialis Brevis
Extend the elbow
Origin of Extensor Carpi Radialis Brevis
Common extensor tendon from the lateral epicondyle of humerus
Insertion of Extensor Carpi Radialis Brevis
Base of 3rd metacarpal
Action of Extensor Carpi Ulnaris
Extend the wrist
Origin of Extensor Carpi Ulnaris
Common extensor tendon from the lateral epicondyle of humerus
Insertion of Extensor Carpi Ulnaris
Base of the 5th metacarpal
Action of Extensor Digitorum
Extend the 2nd-5th fingers
Origin of Extensor Digitorum
Common extensor tendon from the lateral epicondyle of humerus
Action of Abductor Pollicis Brevis
Abduct thumb
Origin of Abductor Pollicis Brevis
Flexor retinaculum, trapezium and scaphoid tubercles
Insertion of Abductor Pollicis Brevis
Base of proximal phalanx of thumb
Action of Adductor Pollicis
Adduct the thumb
Origin of Adductor Pollicis
Capitate, 2nd and 3rd metacarpal
Insertion of Adductor Pollicis
Base of proximal phalanx of thumb
Action of Opponens Pollicis
Opposition of the thumb at the carpometacarpal joint
Origin of Opponens Pollicis
Flexor Retinaculum and tubercle of the Trapezium
Insertion of Opponens Pollicis
Entire length of 1st metacarpal bone, radial surface
Action of Deltoid
Abduct the shoulder
Origin of the Deltoid
Lateral 1/3 of clavicle, acromion and spine of scapula
Insertion of Deltoid
Deltoid Tuberosity
Action of Trapezius
Unilaterally flex head and neck to same side
Origin of Trapezius
External occipital protuberance, med portion of nuchal line, ligament nuchal, SP of C7-T12
Insertion of Trapezius
Lateral 1/3 of clavicle, acromion, spine of scap
Action of Latissimus Dorsi
Extend Shoulder
Origin of Latissimus Dorsi
Inferior angle of scapula, SP of T7-T12, last 3-4 ribs, thoracolumbar fascia, posterior iliac crest
Insertion of Latissimus Dorsi
Intertubercular groove of the humerus
Action of Teres Major
Extend the shoulder
Origin of Teres Major
Inferior angle and lower 1/3 of lat border of scapula
Insertion of Teres Major
Crest of the lesser tubercle of humerus
Insertion of Extensor Digitorum
Bases of middle and distal phalanges of 2nd-5th fingers