Muscles Upper Limb

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Charles University First Faculty of Medicine

What is the origin of the Brachialis

Distal half of the anterior humerus

What is the insertion of the Brachialis

Ulnar tuberosity

What is the Function of the Brachialis

Flexor of the elbow joint

What is the Innervation of the Brachialis

Musculocutaneous nerve

What is the origin of the Biceps Brachii Long Head

Supraglenoid Tubercle

What is the insertion of the Biceps Brachii Long Head

Bicipital aponeurosis and radial tuberosity

What is the Function of the Biceps Brachii Long Head

Flexor Supinator, as well as abducts arm rotates it medially

What is the Innervation of the Biceps Brachii Long Head

Musculocutaneous nerve

What is the origin of the Biceps Brachii Short Head

Coracoid process

What is the insertion of the Biceps Brachii Short Head

Bicipital aponeurosis and radial tuberosity

What is the Function of the Biceps Brachii Short Head

Adduction of the arm

What is the Innervation of the Biceps Brachii Short Head

Musculocutaneous nerve

What is the origin of the Triceps Brachii Long Head

Infraglenoid Tubercle

What is the insertion of the Triceps Brachii Long Head

Olecranon of the ulnar

What is the Function of the Triceps Brachii Long Head

Extensor of the elbow joint, retroversion of the shoulder joint, and adduction of the arm

What is the Innervation of the Triceps Brachii Long Head

Radial Nerve

What is the origin of the Triceps Brachii Medial Head

Below the groove of radial nerve

What is the insertion of the Triceps Brachii Medial Head

Olecranon of the ulnar

What is the Function of the Triceps Brachii Medial Head

Extensor of the elbow joint

What is the Innervation of the Triceps Brachii Medial Head

Radial Nerve

What is the origin of the Triceps Brachii Lateral Head

Above the groove of radial nerve

What is the insertion of the Triceps Brachii Lateral Head

Olecranon of the ulnar

What is the Function of the Triceps Brachii Lateral Head

Extensor of the elbow joint

What is the Innervation of the Triceps Brachii Lateral Head

Radial Nerve

What is the origin of the Supraspinatus

Supraspinous fossa

What is the insertion of the Supraspinatus

Upper facet of the greater tubercle

What is the Function of the Supraspinatus

Joint capsule and abducts arm

What is the Innervation of the Supraspinatus

Suprascapular nerve

What is the origin of the Infraspinatus

Infraspinous fossa

What is the insertion of the Infraspinatus

Middle facet of the greater tubercle

What is the Function of the Infraspinatus

Joint capsule and external rotation of the shoulder joint

What is the Innervation of the Infraspinatus

Suprascapular nerve

What is the origin of the Teres Minor

Lateral border of the Scapula

What is the insertion of the Teres Minor

Lower facet of the greater tubercle

What is the Function of the Teres Minor

weak lateral rotator of the arm

What is the Innervation of the Teres Minor

Axillary Nerve

What is the origin of the Deltoid

spine of scapula, acromion, and clavicle

What is the insertion of the Deltoid

Deltoid tuberosity

What is the Function of the Deltoid

Abductor of the shoulder joint, adductor of the arm, anteversion and retroversion, medial and lateral rotation

What is the Innervation of the Deltoid

Axillary nerve,

What is the origin of the Subscapularis

Subscapular fossa

What is the insertion of the Subscapularis

lesser tubercle

What is the Function of the Subscapularis

medial rotation of the arm

What is the Innervation of the Subscapularis

Subscapular nerve

What is the origin of the Teres Major

Lateral Border of the Scapula near the Inferior Angle

What is the insertion of the Teres Major

Crest of the Lesser Tubercle

What is the Function of the Teres Major

Adduction and retroversion of the arm

What is the Innervation of the Teres Major

Subscapular Nerve

What is the origin of the Latissimus Dorsi

Spinous Process of T7-T12, Thoracolumbar fascia, Iliac Crest, 10-12th rib, and inferior angle of scapula

What is the insertion of the Latissimus Dorsi

Crest of Lesser Tubercle

What is the Function of the Latissimus Dorsi

lowers, raises, and adducts the arm, rotates medially shoulders back and downward, forced expiration

What is the Innervation of the Latissimus Dorsi

Thoracodorsal nerve

What is the origin of the Coracoid Brachialis

Coracoid process

What is the insertion of the Coracoid Brachialis

medial surface of the humerus

What is the Function of the Coracoid Brachialis

joint socket anteverts the arm

What is the Innervation of the Coracoid Brachialis

Musculocutaneous nerve

What is the origin of the Pectoralis Major

Clavicle, Sternal membrane cartilage, cartilage of 2nd-6th ribs

What is the insertion of the Pectoralis Major

Crest of greater tubercle

What is the Function of the Pectoralis Major

Flexion of the humerus, anteversion, adduction of the arm, lower shoulder anteriorly

What is the Innervation of the Pectoralis Major

Pectoral Nerve

What is the origin of the Pectoralis Minor

3rd-6th ribs

What is the insertion of the Pectoralis Minor

Coracoid process

What is the Function of the Pectoralis Minor

Lowers and Rotates Scapula

What is the Innervation of the Pectoralis Minor

Pectoral Nerve

What is the origin of the Rhomboid Major

Spinous process of T1-T4

What is the insertion of the Rhomboid Major

Medial Margin of the Scapula

What is the Function of the Rhomboid Major

pressing Scapula to thoracic wall

What is the Innervation of the Rhomboid Major

Dorsal Scapular Nerve

What is the origin of the Rhomboid Minor

Spinous processes of C6-C7

What is the insertion of the Rhomboid Minor

Medial Margin of the Scapula

What is the Function of the Rhomboid Minor

pressing Scapula to thoracic wall

What is the Innervation of the Rhomboid Minor

Dorsal Scapular Nerve

What is the origin of the Levator Scapulae

Dorsal tubercles of the transverse processes of the C1-C4

What is the insertion of the Levator Scapulae

Superior angle of the Scapula

What is the Function of the Levator Scapulae

Elevates the Scapula

What is the Innervation of the Levator Scapulae

Dorsal Scapular Nerve

What is the origin of the Serratus Anterior

9 slips from the 1st-9th ribs

What is the insertion of the Serratus Anterior

Superior Angle, Medial border, and Inferior angle of the Scapula

What is the Function of the Serratus Anterior

Pull scapula forward, keep scapula pressed to thorax

What is the Innervation of the Serratus Anterior

Long Thoracic Nerve

What is the origin of the Subclavius

junction of bone and cartilage of the 1st rib

What is the insertion of the Subclavius

Subclavian groove on clavicle

What is the Function of the Subclavius

Pulls clavicle towards sternum

What is the Innervation of the Subclavius

Subclavian Nerve

What is the origin of the Trapezius

Superior nuchal line, external occipital protuberance, Spinous process of C7-T12 vertebrae,

What is the insertion of the Trapezius

Clavicle, acromion, and spine of scapula,

What is the Function of the Trapezius

Rotate scapula and pull scapula and clavicle backwards

What is the Innervation of the Trapezius

Accessory Nerve

What is the origin of the Pronator Teres

medial epicondyle of the humerus

What is the origin of the Flexor Digitorum Superficialis

medial epicondyle of the humerus

What is the origin of the Palmaris longus

medial epicondyle of the humerus

What is the origin of the Flexor Carpi Ulnaris

medial epicondyle of the humerus

What is the insertion of the Pronator Teres

pronator ridge of the radius

What is the insertion of the Flexor Digitorum Superficialis

the middle phalanges of digits 2-5

What is the insertion of the Palmaris longus

palmar aponeurosis

What is the insertion of the Flexor Carpi Ulnaris

Pisiform, Hamate, and 5th Metacarpal

What is the Function of the Pronator Teres

Pronates the forearm

What is the Function of the Flexor Digitorum Superficialis

Flexor of the wrist and fingers

What is the Function of the Palmaris longus

Flexes the hand

What is the Function of the Flexor Carpi Ulnaris

Flexes the hand and ulnar adduction

What is the Innervation of the Pronator Teres

Median Nerve

What is the Innervation of the Flexor Digitorum Superficialis

Median Nerve

What is the Innervation of the Palmaris longus

Median Nerve

What is the Innervation of the Flexor Carpi Ulnaris

Ulnar Nerve

What is the origin of the Pronator Quadratus

- distal 1/4 of palmer surface of ulna

What is the origin of the Flexor Digitorum Profundus

Proximal 2/3rd of the palmar surface of ulna and interosseous membrane

What is the origin of the Flexor Pollicis Longus

anterior surface of the radius distal to the radial tuberosity and interosseous membrane

What is the insertion of the Pronator Quadratus

- distal 1/4 of palmar surface of radius

What is the insertion of the Flexor Digitorum Profundus

Distal phalanges of digits 2-5

What is the insertion of the Flexor Pollicis Longus

Base of distal phalanx of thumb.

What is the Function of the Pronator Quadratus

Pronates the forearm

What is the Function of the Flexor Digitorum Profundus

Flexes the wrist palm and fingers

What is the Function of the Flexor Pollicis Longus

Flexes the thumb and slight abduction

What is the Innervation of the Pronator Quadratus

Median Nerve

What is the Innervation of the Flexor Digitorum Profundus

Median Nerve

What is the Innervation of the Flexor Pollicis Longus

Median Nerve

What is the origin of the Extensor Carpi Radialis Brevis

lateral epicondyle of the humerus

What is the origin of the Extensor Carpi Radialis Longus

lateral supracondylar ridge of the humerus

What is the origin of the Brachioradialis

lateral supracondylar ridge of the humerus

What is the insertion of the Extensor Carpi Radialis Brevis

3rd Metacarpal

What is the insertion of the Extensor Carpi Radialis Longus

2nd metacarpal

What is the insertion of the Brachioradialis

Styloid Process of the Radius

What is the Function of the Extensor Carpi Radialis Brevis

wrist extension

What is the Function of the Extensor Carpi Radialis Longus

wrist extension

What is the Function of the Brachioradialis

Flexion of the elbow joint

What is the Innervation of the Extensor Carpi Radialis Brevis

Deep Branch of Radial Nerve

What is the Innervation of the Extensor Carpi Radialis Longus

Deep Branch of Radial Nerve

What is the Innervation of the Brachioradialis

Radial Nerve

What is the origin of the Extensor Digitorum

lateral epicondyle of the humerus

What is the origin of the Extensor Digiti Minimi

lateral epicondyle of the humerus

What is the origin of the Extensor Carpi Ulnaris

lateral epicondyle of the humerus

What is the insertion of the Extensor Digitorum

Middle and distal phalanges of 2-5th fingers

What is the insertion of the Extensor Digiti Minimi

proximal phalanx of digit five

What is the insertion of the Extensor Carpi Ulnaris

5th metacarpal

What is the Function of the Extensor Digitorum

extend the four digits

What is the Function of the Extensor Digiti Minimi

extend the fifth digit

What is the Function of the Extensor Carpi Ulnaris

wrist extension, ulnar abductor

What is the Innervation of the Extensor Digitorum

Deep Branch of Radial Nerve

What is the Innervation of the Extensor Digiti Minimi

Deep Branch of Radial Nerve

What is the Innervation of the Extensor Digitorum

Deep Branch of Radial Nerve

What is the origin of the Supinator

lateral epicondyle of the humerus and supinator crest of the ulna

What is the origin of the Abductor Pollicis Longus

posterior radius, posterior ulna, interosseous membrane

What is the origin of the Extensor Pollicis Brevis

- distal region of posterior radius & interosseus membrane

What is the origin of the Extensor Pollicis Longus

- posterior surface of middle 1/3 of ulna & interosseous membrane

What is the insertion of the Supinator

radius (proximal third)

What is the insertion of the Abductor Pollicis Longus

1st Metacarpal

What is the insertion of the Extensor Pollicis Brevis

proximal phalanx of digit one

What is the insertion of the Extensor Pollicis Longus

Base of distal phalanx of thumb.

What is the Function of the Supinator

supinates the forearm

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