Upper Limb Muscles All

What are the origins and insertions of the Pectoralis Major?

Origin:

Anterior border of medial 1/3 of clavicle

Anterior aspect of sternum

Costal cartilages of ribs 1-6 anterior recuts sheath

Insertion:

Lateral lip of intertubercular sulcus

What are the origins and insertions of the Latissimus Dorsi?

Origin:

Spinous process of T7 - L5

Posterior 1/2 of iliac crest

Ribs 9-12

Inferior angle of scapula

Insertion:

Intertubercular sulcus

What are the origins and insertions of the Trapezius?

Origin:

External occipital protuberance and superior nuchal line of occipital bone

Nuchal ligament

Spinous processes of C7 - T12

Insertion:

Posterior aspect of lateral 1/3 of clavicle

Acromion

Spine of scapula

What are the origins and insertions of the Deltoid?

Origin:

Lateral 1/3 of clavicle

Acromion

Spine of scapula

Insertion:

Deltoid tuberosity of humerus

What are the origins and insertions of the Teres Major?

Origin:

Posterior aspect of inferior angle of scapula

Insertion:

Crest of lesser tubercle of humerus

What are the origins and insertions of the Biceps Brachii?

Origin:

Supraglenoid tubercle of scapula

Apex of coracoid process

Insertion:

Radial tuberosity

What are the origins and insertions of the Brachialis?

Origin:

Lower half of the anterior aspect of humerus

Insertion:

Ulnar tuberosity

Coronoid process

What are the origins and insertions of the Brachioradialis?

Origin:

Upper 2/3 of lateral supracondylar ridge

Insertion:

Lateral surface of the distal end of the radius, proximal to styloid process

What are the origins and insertions of the Triceps Brachii?

Origin:

Posterior surface of humerus

Infraglenoid tubercle of scapula

Insertion:

Olecranon process of ulna

What are the origins and insertions of the Extensor Carpi Radialis Longus?

Origin:

Lateral supracondylar ridge of humerus

Insertion:

Base of 2nd metacarpal

What are the origins and insertions of the Extensor Carpi Radialis Brevis?

Origin:

Lateral epicondyle of humerus

Insertion:

Base of 3rd metacarpal

What are the origins and insertions of the Extensor digitorum?

Origin:

Lateral epicondyle of humerus

Insertion:

Extensor expansions of digits 2-5

What are the origins and insertions of the Extensor Digiti Minimi?

Origin:

Lateral epicondyle of humerus

Insertion:

Extensor expansion of 5th digit

What are the origins and insertions of the Extensor Carpi Ulnaris?

Origin:

Lateral epicondyle of humerus

Posterior border of ulna

Insertion:

Base of 5th metacarpal

What are the origins and insertions of the Anconeus?

Origin:

Lateral epicondyle of humerus

Insertion:

Lateral olecranon

Proximal posterior ulna

What are the origins and insertions of the Supinator?

Origin:

Lateral epicondyle of humerus

Radial collateral ligament

Annular ligament

Supinator crest of ulna

Insertion:

Proximal third of radius

What are the origins and insertions of the Pronator Teres?

Origin:

Medial epicondyle of humerus

Coronoid process of ulna

Insertion:

Middle lateral surface of radius

What are the origins and insertions of the Flexor Carpi Radialis?

Origin:

Medial epicondyle of humerus

Insertion:

Bases of 2nd and 3rd metacarpals

What are the origins and insertions of the Palmaris Longus?

Origin:

Medial epicondyle of humerus

Insertion:

Flexor retinaculum

Palmar aponeurosis

What are the origins and insertions of the Flexor Carpi Ulnaris?

Origin:

Medial epicondyle of humerus

Olecranon

Posterior border of ulna

Insertion:

Pisiform

Hook of hamate

Base of 5th metacarpal

What are the origins and insertions of the Flexor Digitorum Superficialis?

Origin:

Medial epicondyle of humerus

Coronoid process of ulna

Anterior radius

Insertion:

Shafts of middle phalanges of digits 2-5

What are the origins and insertions of the Flexor Pollicis Longus?

Origin:

Anterior surface of radius

Interosseous membrane

Insertion:

Base of distal phalanx of thumb

What are the origins and insertions of the Flexor Digitorum Profundus?

Origin:

Proximal 2/3 of anterior and medial ulna

Interosseous membrane

Insertion:

Bases of distal phalanges of digits 2-5

What movements does the Pectoralis Major produce?

Humeral flexion

Humeral adduction

Internal rotation of humerus

Horizontal abduction of the humerus

What movements does the Latissimus Dorsi produce?

Humeral extension

Humeral adduction

Internal rotation of humerus

What movements does the Trapezius produce?

Upper fibers:

Scapular elevation

Scapular upward rotation (with lower fibers)

Neck extension and lateral flexion (if scapula is fixed)

Middle fibers:

Scapular retraction

Lower Fibers:

Scapular depression

Scapular upward rotation (with upper fibers)

What movements does the Deltoid produce?

Anterior:

Humeral flexion

Humeral internal rotation

Humeral adduction

Middle:

Humeral abduction

Posterior:

Humeral extension

Humeral external rotation

Humeral horizontal abduction

What movements does the Teres Major produce?

Humeral extension

Humeral adduction

Humeral internal rotation

What movements does the Biceps Brachii produce?

Elbow flexion

Forearm supination

Humeral flexion (long head)

What movements does the Brachialis produce?

Elbow flexion

What movements does the Brachioradialis produce?

Elbow flexion

Supination

What movements does the Triceps Brachii produce?

Elbow extension

Shoulder extension (long head)

Humeral adduction

What movements does the Extensor Carpi Radialis Longus produce?

Extends and radially deviates the wrist

What movements does the Extensior Carpi Radialis Brevis produce?

Extends Wrist

Radial deviation

What movements does the Extensor digitorum produce?

Extends digits 2-5 at MCP and IP joints

Assists with wrist extension

What movements does the Extensor Digiti Minimi produce?

Extends little finger

Assists with wrist extension

What movements does the Extensor Carpi Ulnaris produce?

Extends wrist

Ulnar deviation

What movements does the Anconeus produce?

Assists elbow extension

What movements does the Supinator produce?

Supinates forearm

What movements does the Pronator Teres produce?

Pronates forearm

Assists elbow flection

What movements does the Flexor Carpi Radialis produce?

Flexes wrist

Abducts wrist

What movements does the Palmaris Longus produce?

Flexes wrist

What movements does the Flexor Carpi Ulnaris produce?

Flexes wrist

Adducts wrist

What movements does the Flexor Digitorum Superficialis produce?

Flexes proximal interphalangeal joints

Flexes metacarpophalangeal joints and wrist

What movements does the Flexor Pollicis Longus produce?

Flexes interphalangeal joint of thumb

What movements does the Flexor Digitorum Profundus produce?

Flexes distal interphalangeal joints