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Exam 6 Muscles > Origins > Flashcards

Origins Flashcards

1
Q

What is the origin of Biceps Brachii (Short Head)

A

tip of the coracoid process of the scapula

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2
Q

What is the origin of Biceps Brachii (Long Head)

A

supraglenoid tubercle of the scapula

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3
Q

What is the origin of Coracobrachialis

A

coracoid process of the scapula

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4
Q

What is the origin of Brachialis

A

lower half of the anterior surface of the humerus; intermuscular septa

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5
Q

What is the origin of Triceps Brachii (Long Head)

A

infraglenoid tubercle of the scapula

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6
Q

What is the origin of Triceps Brachii (Lateral Head)

A

posterior surface of the humerus above and lateral to the groove of the radial nerve and lateral septum

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7
Q

What is the origin of Triceps Brachii (Medial Head)

A

posterior surface of the humerus below and medial to the groove of the radial nerve and both intermuscular septa

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8
Q

What is the origin of Anconeus

A

lateral epicondyle of the humerus

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9
Q

What is the origin of Pronator Teres

A

medial epicondyle of the humerus ; coranoid process of the ulna

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10
Q

What is the origin of Palmaris Longus

A

medial epicondyle of the humerus (common flexor tendon)

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11
Q

What is the origin of Flexor Carpi Radialis

A

medial epicondyle of the humerus (common flexor tendon)

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12
Q

What is the origin of Flexor Carpi Ulnaris

A

medial epicondyle of the humerus (common flexor tendon) ; proximal 2/3 of the posterior surface of the ulna

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13
Q

What is the origin of Flexor Digitorum Superficialis

A

medial epicondyle of the humerus (common flexor tendon);

medial aspect of the coranoid process of the ulna;

proximal half of the radius distal to the radial tuberosity

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14
Q

What is the origin of Flexor Digitorum Profundus

A

anterior and medial surfaces of the proximal 2/3 of the ulna;

interosseous membrane;

aponeurosis of the flexor carpi ulnaris

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15
Q

What is the origin of Flexor Pollicis Longus

A

anterior surface of the middle half of the radius;

adjacent interosseous membrane

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16
Q

What is the origin of Pronator Quadratus

A

distal fourth of the ulna

17
Q

What is the origin of Brachioradialis

A

lateral supracondylar ridge of the humerus ; intermuscular septum of the arm

18
Q

What is the origin of Extensor Carpi Radialis Longus

A

lateral supracondylar ridge and lateral epicondyle of the humerus (common extensor tendon);

intermuscular septum

19
Q

What is the origin of Extensor Carpi Radialis Brevis

A

lateral epicondyle of the humerus (common extensor tendon); intermuscular septum;
antebrachial fascia

20
Q

What is the origin of Extensor Digitorum

A

lateral epicondyle of the humerus;

intermuscular septum;

antebrachial fascia

21
Q

What is the origin of Extensor Digiti Minimi

A

lateral epicondyle of the humerus (common extensor tendon)

22
Q

What is the origin of the Extensor Carpi Ulnaris

A

lateral epicondyle of the humerus (common extensor tendon),

proximal part of the ulna

23
Q

What is the origin of the Supinator

A

posterolateral surface of the ulna below the radial notch;

lateral epicondyle ;

radial collateral and annular ligaments

24
Q

What is the origin of the Abductor Pollicis Longus

A

posterior surface of the ulna and the radius ; interosseous membrane

25
Q

What is the origin of the Extensor Pollicis Brevis

A

posterior surface of the radius ; interosseous membrane

26
Q

What is the origin of the Extensor Pollicis Longus

A

posterior surface of the middle third of the ulna, interosseous membrane

27
Q

What is the origin of the Extensor Indicis

A

posterior surface of the ulna ; interosseous membrane

28
Q

What is the origin of the Lumbricales

A

tendons of the flexor digitorum profundus

29
Q

What is the origin of the Opponens Pollicis

A

flexor retinaculum ; trapezium

30
Q

What is the origin of the Flexor Pollicis Brevis (Superficial Head)

A

flexor retinaculum ; possibly trapezium

31
Q

What is the origin of the Flexor Pollicis Brevis (Deep Head)

A

trapezoid and capitate

32
Q

What is the origin of the Adductor Pollicis (transverse head)

A

third metacarpal

33
Q

What is the origin of the Adductor Pollicis (oblique head)

A

bases of the first three metacarpals, capitate, trapezoid, and trapezium

34
Q

What is the origin of the Palmaris Brevis

A

palmar aponeurosis medial border

35
Q

What is the origin of the Abductor Digiti Minimi

A

pisiform

36
Q

What is the origin of the Flexor Digiti Minimi Brevis

A

flexor retinaculum ; hook of the hamate

37
Q

What is the origin of the Opponens Digiti Minimi

A

flexor retinaculum ; hook of the hamate

38
Q

What is the origin of the Palmar Interossei

A

shaft of each metacarpal ; one to each of index, ring, and little fingers

39
Q

What is the origin of the Dorsal Interossei

A

adjacent surfaces of two metacarpals

Exam 6 Muscles (4 decks)

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