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UE Muscles OINA > Origin and Insertion > Flashcards

Origin and Insertion Flashcards

(48 cards)

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1
Q

Upper trapezius

A

Origin: external occipital protuberance, medial 1/3 superior nuchal line, ligamentum nuchae, spinous process C7
Insertion: Lateral 1/3 of clavicle

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2
Q

Middle trapezius

A

Origin: spinous process T1-T5
Insertion: medial margin of acromion, spine of scapula, crest of its superior lip

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3
Q

Lower trapezius

A

Origin: spinous process T6-T12
Insertion: spine of scapula tubercle

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4
Q

Latissimus dorsi

A

Origin: Spinous process T6-T12 and spinous process of lumbar and sacra vertebrae by thoracolumbar fascia, ribs 9-12, iliac crest
Insertion:Floor of intertubercular groove

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5
Q

Levator scapulae

A

Origin: posterior tubercles of transverse process of C1-C4
Insertion: medial border of scapula superior to root of spine

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6
Q

Rhomboid major

A

Origin: spinous process of T2-T5
Insertion: medial border of scapula from level of spine to inferior angle

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7
Q

Rhomboid minor

A

Origin: ligamentum nuchae and spinous process of C7 and T1
Insertion: root of scapular spine

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8
Q

Pec major

A

Origin: anterior surface of the medial half of the clavicle and anterior surface of sternum, superior 6 costal cartilages, aponeurosis of external oblique
Insertion:lateral lip of intertubercular groove of humerus

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9
Q

Pec minor

A

Origin: ribs 3-5
Insertion: medial border and superior surface of coracoid process

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10
Q

Subclavius

A

Origin: junction of 1st rib and costal cartilage
Insertion: inferior surface of middle third of clavicle

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11
Q

Serratus anterior

A

Origin: lateral parts of ribs 1-8
Insertion: anterior surface of medial border of scapula

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12
Q

Deltoid

A

Origin: lateral 1/3 of clavicle (a), acromion (m), scapular spine (p)
Insertion: deltoid tuberosity of humerus

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13
Q

Supraspinatus

A

Origin: supraspinous fossa of scapula
Insertion: superior facet of greater tubercle of humerus

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14
Q

Infraspinatus

A

Origin: infraspinous fossa of scapula
Insertion: middle facet of greater tubercle of humerus

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15
Q

Teres minor

A

Origin: middle part of lateral border of scapula
Insertion: inferior facet of greater tubercle of humerus

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16
Q

Teres major

A

Origin: posterior surface of inferior angle of scapula
Insertion: medial lip of intertubercular groove of humerus

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17
Q

Subscapularis

A

Origin: subscapular fossa
Insertion: lesser tubercle of humerus

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18
Q

Biceps brachii

A

Origin: tip of coracoid process (short) and supraglenoid tubercle of scapula, capsule of GH joint and labrum (long)
Insertion: tuberosity of radius and fascia via bicipital aponeurosis

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19
Q

Brachialis

A

Origin:distal half of anterior surface of humerus
Insertion: Ulnar tuberosity and coronoid process

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20
Q

Coracobrachialis

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A

Origin: tip of coracoid process
Insertion: middle third of medial surface of humerus

21
Q

Triceps brachii

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A

Origin: infraglenoid tubercle of scapula (long), posterior surface of humerus superior to radial groove (lateral), posterior surface of humerus inferior to radial groove inferior to radial groove (medial)
Insertion: proximal end of olecranon of ulna, capsule of elbow joint and antebrachial fascia

22
Q

Anconeus

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A

Origin: lateral epicondyle of humerus and capsule of elbow joint
Insertion: lateral surface of olecranon and superior part of posterior surface of ulna

23
Q

Pronator teres

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A

Origin: shaft proximal to medial epicondyle and common flexor tendon (humeral head) and coronoid process (ulnar head)
Insertion: Lateral surface of middle shaft or radius

24
Q

Flexor carpi radialis

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A

Origin: medial epicondyle by common flexor tendon
Insertion: bases of second and third metacarpal

25
Palmaris longus
Origin: medial epicondyle Insertion: flexor retinaculum and palmar aponeurosis
26
Flexor carpi ulnaris
Origin: medial epicondyle (humeral), olecranon and posterior border or ulna (ulnar head) Insertion: pisiform, hook of hamate and 5th metacarpal
27
Flexor digitorum superficialis
Origin: medial epicondyle, ulnar collateral ligament, medial side of coronoid process (humeral-ulnar head), oblique line on anterior surface of radial shaft (radial head) Insertion: shaft of middle phalanges of medial four fingers
28
Flexor digitorum profundus
Origin: upper 3/4 of anterior and medial surfaces of ulna, cornoid process Insertion: bases of distal phalanges of digits 2-5
29
Flexor pollicis longus
Origin: anterior surface of middle shaft radius, interosseous membrane Insertion: base of distal phalanx of thumb
30
Pronator quadratus
Origin: distal 1/4 of anterior surface of ulna Insertion: distal 1/4 of anterior surface of radius
31
Opponens polllicis
Origin: tubercle of trapezium and flexor retinaculum Insertion: lateral side of 1st metacarpal
32
Abductor pollicis brevis
Origin: tubercle of scaphoid and trapezium, flexor retinaculum Insertion: lateral side of proximal phalanx of thumb
33
Flexor pollicis brevis
Origin: tubercle of trapezium and flexor retinaculum (superficial), trapezoid and capitate (deep) Insertion: lateral side of base of proximal phalanx of thumb
34
Adductor pollicis
Origin: capitate, bases of 2nd and 3rd metacarpals (oblique) and anterior surface of shaft of 3rd metacarpal (transverse) Insertion: medial side of base of proximal phalanx of thumb
35
Abductor digiti minimi
Origin: pisiform, tendon of flexor carpi ulnaris, pisohamate ligament Insertion: medial side of base of proximal phalanx of 5th digit, dorsal expansion of extensor digiti minimi
36
Flexor digiti minimi brevis
Origin: hook of hamate and flexor retinaculum Insertion: medial side of proximal phalanx of 5th digit
37
Opponens digiti minimi
Origin: hook of hamate and flexor retinaculum Insertion: medial border of 5th metacarpal
38
Brachioradialis
Origin: Proximal 2/3 of lateral supracondylar ridge of humerus Insertion: lateral surface of distal end of radius proximal to styloid process
39
Extesnor carpi radialis longus
Origin: lateral supracondylar ridge of humerus, common extensor tendon Insertion: dorsal aspect of base of 2nd metacarpal on radial side
40
Extensor carpi radialis brevis
Origin: lateral epicondyle of humerus via common extensor tendon, radial collateral ligament Insertion: dorsal aspect of base of 3rd metacarpal on radial side
41
Extensor digitorum
Origin: lateral epicondyle Insertion: divides into 4 tendons that insert into the extensor expansion of digits 2-5, intermediate slips to middle phalanges and lateral slips to distal phalanges
42
Extensor digiti minimi
Origin: lateral epicondyle Insertion: extension expansion of 5th digit on radial side
43
Extensor carpi ulnaris
Origin: lateral epicondyle, posterior border of ulna by aponeurosis shared by FCU and FDP Insertion: tubercle on dorsal aspect of base of 5th metacarpal
44
Supinator
Origin: lateral epicondyle, radial collateral and annular ligaments, supinator crest Insertion: lateral surface of proximal 1/3 of radius, tuberosity and oblique line of radius
45
Extensor indicis
Origin: posterior surface of distal 1/3 of ulna Insertion: extensor expansion of 2nd digit
46
Abductor pollicis longus
Origin: posterior surface of shaft of ulna, middle 1/3 of posterior shaft of radius and interosseous membrane Insertion: radial side of base of 1st metacarpal and trapezium
47
Extensor pollicis longus
Origin: posterolateral surface of middle shaft of ulna Insertion: dorsal aspect of base of distal phalanx of the thumb
48
Extensor pollicis brevis
Origin: posterior surface of distal 1/3 of radius Insertion: dorsal aspect of base of proximal phalanx of thumb

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