Muscles of the Arm Flashcards by Jasmine Charlesworth | Brainscape

Q

Origin of Deltoid

A

Clavicle
Acromion process
spine of scapula

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Q

Insertion of Deltoid

A

Deltoid tuberosity

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Q

Action of Deltoid

A

Abduct, flex, extend arm

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Q

Origin of Biceps Brachii

A

Supraglenoid tubercle
Coracoid process

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Q

Insertion of Biceps Brachii

A

Radial tuberosity

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Q

Action of Biceps Brachii

A

Flex and supinate forearm

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Q

Origin of Brachialis

A

Anterior humerus

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Q

Insertion of Brachialis

A

Ulnar tuberosity
Coronoid process

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Q

Action of Brachialis

A

Flex elbow

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Q

Origin of Flexor Carpi Ulnaris

A

Medial epicondyle of humerus

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Q

Insertion of Flexor Carpi Ulnaris

A

Pisiform
Hamate
Base of metacarpal 5

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Q

Action of Flexor Carpi Ulnaris

A

Flex and adduct wrist, ulnar deviation

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Q

Origin of Palmaris Longus

A

Medial epicondyle of humerus

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Q

Insertion of Palmaris Longus

A

Palmar aponeurosis

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Q

Action of Palmaris Longus

A

Flex wrist

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Q

Origin of Flexor Carpi Radialis

A

Medial epicondyle of humerus

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Q

Insertion of Flexor Carpi Radialis

A

Base of metacarpals 2-3

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Q

Action of Flexor Carpi Radialis

A

Flex and abduct wrist, Radial deviation

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Q

Origin of Flexor digitorum superficialis

A

Medial epicondyle of humerus

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Q

Insertion of Flexor digitorum superficialis

A

Middle phalanges of digits 2-5

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Q

Action of Flexor digitorum superficialis

A

Flex middle phalanges

Q

Origin of Brachioradialis

A

Lateral epicondyle of humerus

Q

Insertion of brachioradialis

A

styloid process

Q

Action of brachioradialis

A

flex forearm

Q

Origin of Supraspinatus

A

Supraspinous fossa

Q

Insertion of Supraspinatus

A

Greater tuberosity of humerus

Q

Action of Supraspinatus

A

abduct arm

Q

Origin of Infraspinatus

A

Infraspinous fossa

Q

Insertion of infraspinatus

A

greater tuberosity of humerus

Q

Action of infraspinatus

A

Laterally rotate arm

Q

Origin of Subscapularis

A

Anterior scapula

Q

Insertion of subscapularis

A

lesser tuberosity of humerus

Q

Action of Subscapularis

A

medially rotate arm

Q

Origin of Teres Major

A

Lateral border of scapula

Q

Insertion of Teres Major

A

medial intertubercular groove of humerus

Q

Action of Teres Major

A

Extend, adduct, medially rotate humerus

Q

Origin of Teres Minor

A

Lateral Border of scapula

Q

Insertion of Teres Minor

A

greater tuberosity of humerus

Q

Action of Teres minor

A

laterally rotate arm

Q

Origin of Triceps Brachii

A

Infraglenoid tubercle
Lateral medial humerus

Q

Insertion of Triceps Brachii

A

Olecranon fossa

Q

Action of triceps brachii

A

extend elbow

Q

Origin of Extensor Carpi Radialis longus

A

Lateral epicondyle of humerus

Q

Action of Extensor Carpi Radialis longus

A

Extend and abduct hand

Q

Origin of Extensor Carpi Radialis Brevis

A

Lateral condyle of humerus

Q

Action of Extensor Carpi Radialis Brevis

A

Extend and abduct hand

Q

Origin of Extensor Digitorum communis

A

lateral epicondyle of humerus

Q

Action of Extensor Digitorum Communis

A

Extend fingers

Q

Origin of Extensor Carpi Ulnaris

A

Lateral epicondyle of humerus

Q

Action of Extensor Carpi Ulnaris

A

Extend and adduct hand