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Anatomy > Muscle Origin/Insertion > Flashcards

Muscle Origin/Insertion Flashcards

0
Q

Latissimus dorsi

A

Origin: spinous process of T1-L3
Insertion: intertubercular groove on humerous

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1
Q

Trapezius

A

Origin: occiput, nuchal ligament, spinous process of thoracic vertebra
Insertion: scapular spine, acromion

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2
Q

Rhomboideus major and minor

A

Origin: upper thoracic spinous process
Insertion: vertebral border of scapula

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3
Q

Levator scapulae

A

Origin: transverse process of C1-4
Insertion: vertebral border of scapula between superior angle and base of scapular spine

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4
Q

Serratus anterior

A

Origin: ribs 1-8 or 9
Insertion: vertebral border of scapula

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5
Q

Teres major

A

Origin: lower axillary border of scapula
Insertion: medial lip of inter tubercular groove on humerus

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6
Q

Deltoideus

A

Origin: clavicle, acromion, scapular spine
Insertion: deltoid tuberosity on humerus

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7
Q

Supraspinatus

A

Origin: supraspinous fossa
Insertion: greater tubercle of humerus

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8
Q

Teres minor

A

Origin: middle of axillary border of scapula
Insertion: greater tubercle of humerus

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9
Q

Subscapularis

A

Origin: subscapular fossa
Insertion: lesser tubercle of humerus

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10
Q

Pectoralis major

A

Origin:
-clavicular head: medial half of clavicle
-sternocostal head: ribs 2-6, costal margin of sternum
Insertion: lateral lip of intertubercular groove of humerus

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11
Q

Pectoralis minor

A

Origin: ribs 2-5
Insertion: coracoid process of scapula

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12
Q

Coracobrachialis

A

Origin: coracoid process of scapula
Insertion: proximal shaft of humerus

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13
Q

Biceps brachii

A

Origin:
-long head: supraglenoid tubercle of the scapula
-short head: coracoid process of scapula
Insertion: bicipital tuberosity of radius (non functionally attached to ulnar tuberosity via bicipital aponeurosis)

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14
Q

Brachialis

A

Origin: distal two thirds of humeral shaft
Insertion: ulnar tuberosity of ulna

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15
Q

Triceps brachii

A

Origin:
-long head: infraglenoid tubercle of scapula
-medial head: posterior surface of medial border of humerus
-lateral head: posterior surface of lateral border of humerus
Insertion: olecranon

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16
Q

Pronator teres

A

Origin: medial epicondyle of humerus, coronoid process of ulna
Insertion: midshaft radius

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17
Q

Flexor carpi radialis

A

Origin: medial epicondyle of humerus
Insertion: base of 2nd and 3rd metacarpals

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18
Q

Palmaris longus

A

Origin: medial epicondyle of humerus
Insertion: palmar aponeurosis

19
Q

Flexor digitorum superficialis

A

Origin: medial epicondyle of humerus, coronoid process do ulna, anterior border of proximal radius
Insertion: base of middle phalanges 2-5

20
Q

Pronator quadratus

A

Origin: distal portion of ulnar shaft
Insertion: distal portion of radial shaft

21
Q

Flexor pollicis longus

A

Origin: proximal half of radius and adjacent interosseus membrane
Insertion: 1st digit phalanx

22
Q

Flexor digitorum profundus

A

Origin: proximal two thirds of ulnar shaft and adjacent interosseous membrane
Insertion: base of distal phalanx of digits 2-5

23
Q

Flexor carpi ulnaris

A

Origin: medial epicondyle of humerous, medial side of olecranon, proximal 2/3 of ulnar shaft
Insertion: pisiform, hamate, base of 5th metacarpal, flexor retinaculum

24
Q

Anconeus

A

Origin: lateral epicondyle of humerous
Insertion: lateral side of olecranon

25
Q

Brachioradialis

A

Origin: lateral supracondylar ridge of humerous
Insertion: lateral surface of distal radius

26
Q

Extensor carpi radialis longus

A

Origin: lateral supracondylar ridge of humerous
Insertion: dorsal surface of base of second metacarpal

27
Q

Extensor carpi radialis brevis

A

Origin: lateral epicondyle of humerous
Insertion: dorsal surface of base of 3rd metacarpal

28
Q

Extensor digitorum

A

Origin: lateral epicondyle of humerous
Insertion: dorsal digital expansion hoods of digits 2-5

29
Q

Extensor digit minimi

A

Origin: lateral epicondyle of humerous
Insertion: dorsal digital expansion hood of digit 5

30
Q

Extensor carpi ulnaris

A

Origin: lateral epicondyle of humerous
Insertion: medial side of base of 5th metacarpal

31
Q

Supinator

A

Origin: lateral epicondyle of humerous, supinator crest of ulna
Insertion: lateral surface of proximal radius

32
Q

Extensor indicis

A

Origin: posterior surface of distal ulna
Insertion: dorsal digital expansion hood of digit 2

33
Q

Abductor pollicis longus

A

Origin: posterior surfaces of radius and ulna
Insertion: lateral side of the base of 1st metacarpal, trapezium

34
Q

Extensor pollicis brevis

A

Origin: posterior surface of distal radius
Insertion: base of thumb’s proximal phalanx

35
Q

Extensor pollicis longus

A

Origin: posterior surfaces of middle ulna
Insertion: base of thumbs distal phalanx

36
Q

Abductor pollicis brevis

A

Origin: flexor retinaculum, trapezium, scaphoid
Insertion: base of 1st dig it’s proximal phalanx

37
Q

Flexor pollicis brevis

A

Origin: flexor retinaculum, trapezium, trapezoid, capitate
Insertion: base of 1st digit’s proximal phalanx

38
Q

Opponents pollicis

A

Origin: trapezium, flexor retinaculum
Insertion: lateral border of 1st metacarpal

39
Q

Abductor digit minimi

A

Origin: pisiform, tendon of flexor carpi ulnaris
Insertion: base of 5th digits proximal phalanx

40
Q

Flexor digit minimi

A

Origin: hamate hamulus, flexor retinaculum
Insertion: base of 5th digit’s proximal phalanx

41
Q

Opponents digiti minimi

A

Origin: hamate hamulus, flexor retinaculum
Insertion: midshaft of 5th metacarpal

42
Q

Palmaris brevis

A

Origin: flexor retinaculum, medial palmar aponeurosis,
Insertion: skin of hypothenar eminence

43
Q

Lumbericals

A

Origin: tendons of flexor digitorum profoundis in palm
Insertion: extensor hoods digits 2-5

44
Q

Dorsal interossei (4)

A

Origin: shafts of adjacent metacarpals
Insertion: base of proximal phalanx, dorsal expansion hoods digits 2-4

45
Q

Palmar interossei (3)

A

Origin: medial side of 2nd metacarpal shaft, lateral side of 4th and 5th metacarpal shafts
Insertion: base of proximal phalanx digits 2, 4, 5

46
Q

Adductor pollicis

A

Origin:
-oblique head: capitate, 2-3rd metacarpals
-transverse head: 3rd metacarpal
Insertion: base of 1st proximal phalanx

Anatomy (30 decks)

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