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Gross Anatomy KC > ORIGIN&INSERTIONS > Flashcards

ORIGIN&INSERTIONS Flashcards

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1
Q

Pectoralis major ORIGIN

Sternocostal part

A

Sternum & costal cartilages 1-6

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2
Q 
Pectoralis major 
Abdominal part (ORIGIN)
A

Rectus sheath (ant layer)

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3
Q

Pectoralis major INSERTION

A

Humerus (crest of greater tubercle)

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4
Q

Pectoralis major INNERVATION

A

Medial & lateral pectoral N

C5-T1

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5
Q

Pectoralis major ACTIONS of entire muscle

A

Adduction

Internal rotation

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6
Q

Pectoralis Major ACTION

Clavicular and sternocostal parts

A

Flexion

Assist in respiration when shoulder is fixed

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7
Q

Teres major ORIGIN

A

Inf angle of scapula

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8
Q

Teres major INSERTION

A

Crest of lesser tubercle of humerus (ant angle)
medial lip of intertubercular sulcus
? check ?

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9
Q

Teres Major INNERVATION

A

Lower subscapular N

C5-C7

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10
Q

Teres Major ACTION

A

Internal rotation
Adduction
Extension

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11
Q

Deltoid ORIGIN

Clavicular part

A

Lateral 1/3 of clavicle

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12
Q

Deltoid ORIGIN

acromial part

A

Acromion

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13
Q

Deltoid ORIGIN

spinal part

A

scapular spine

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14
Q

Deltoid INSERTION

A

Humerus (deltoid tuberosity)

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15
Q

Deltoid INNERVATION

A

Axillary N C5-C6

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16
Q

Deltoid ACTIONS

A 
Flexion, internal rotation 
Adduction
Abduction
Extention
External rotation
Adduction
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17
Q

Supraspinatus ORIGIN

A

Supraspinous fossa of scapula

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18
Q

Quadrangular space boundaries

A

Teres major / minor
Triceps brachii (long head)
Humerus

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19
Q

Quadrangular space transmitted structures

A

Posterior circumflex humeral A (branch of Axillary A)

axillary N

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20
Q

Triceps hiatus boundaries

A

Triceps brachii (long and lateral head)
Humerus
Teres major

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21
Q

Triceps hiatus transmitted structures

A

Deep A of arm

Radial N

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22
Q

Triangular Space boundaries

A

Teres major
Teres minor
(Long head of triceps brachii)

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23
Q

Triangular space transmitted structures

A

Circumflex scapular A

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24
Q

Scapular Notch boundaries

A

Superior transverse ligament of scapula

Scapula

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25
Scapular Notch transmitted structures
Suprascapular A and N | Army over the navy
26
Supraspinatus INSERTION
Humerus (greater tubercle)
27
Supraspinatus INNERVATION
Suprascapular N | C4-C6
28
Infraspinatus ORIGIN
Infraspinatus fossa of scapula
29
Supraspinatus action
Initates abduction (for the first 15degrees)
30
Infraspinatus ORIGIN
Infraspinatus fossa of scapula
31
Infraspinatus Insertion
Humerus - greater tubercle
32
Infraspinatus INNERVATION
Suprascapular N | C4-C6
33
Infraspinatus ACTION
External rotation
34
Teres minor ORIGIN
Lateral border of scapula
35
Teres minor INSERTION
Humerus (lesser tubercle)
36
Teres Minor INNERVATION
Axillary N | C5-C6
37
Teres minor ACTION
External rotation | Weak adduction
38
Subscapularis Origin
Subscapular fossa of scapula
39
Subscapularis INSERTION
Humerus Lesser tubercle
40
Subscapularis INNERVATION
Subscapular N | C5-C6
41
Subscapularis ACTION
Internal rotation
42
Biceps brachii long head ORIGIN
Supraglenoid tubercle of scapula
43
Biceps brachii short head ORIGIN
Coracoid process of scapula
44
Biceps brachii INSERTION
Radial tuberosity and bicipital aponeurosis
45
Biceps brachii INNERVATION
Musculocutaneous N | C5-C6
46
Biceps brachii elbow joint action
Flexion | Supination
47
Biceps brachii shoulder joint Action
Flexion Stabilization of humeral head during deltoid contraction Abduction; internal rotation of humerus
48
Brachialis ORIGIN
Humerus (distal half of ant surface)
49
Brachialis INSERTION
Ulnar tuberosity and bicipital aponeurosis
50
Brachialis INNERVATION
Musculocutaneous N C5-C6 Radial N C7,minor
51
Brachialis action
Flexion at elbow joint
52
Coracobrachialis Origin
Scapula (coracoid process)
53
Coracobrachialis INSERTION
Humerus (in line with crest of lesser tubercle)
54
Coracobrachialis INNERVATION
Musculocutaneous N | C6-C7
55
Coracobrachialis action
Flexion Adduction Internal rotation
56
Triceps brachii long head ORIGIN
Scapula (infraglenoid tubercle)
57
Triceps brachii medial head ORIGIN
Post. Humerus, distal to radial groove | Medial intermuscular septum
58
Triceps brachii lateral head ORIGIN
Post humerus Proximal to radial groove Lateral intermuscular septum
59
Triceps Brachii insertion
Olecranon of ulna
60
Triceps brachii INNERVATION
Radial N | C6-C8
61
Triceps brachii action
Elbow joint: extention | Shoulder joint, long head: extension & adduction
62
Anconeus origin
Lateral epicondyle of humerus | Variance: post joint capusle
63
Anconeus Insertion
Olecranon of ulna (radial surface)
64
Anconeus Innervation
Radial N | C6-C8
65
Anconeus action
Extends the elbow and tightens the joint
66
Pectoralis major origin (clavicular part)
Clavicle (medial head)
67
Subclavius Origin
1st rib
68
Subclavius Insertion
Clavicle (inf surface )
69
Subclavius INNERVATION
N to subclavius | C5-C6
70
Subclavius Action
Steadies the clavicle in sternoclavicular joint
71
Pectoralis minor origin
3rd to 5th ribs
72
Pectoralis minor insertion
Coracoid process of scapula
73
Pectoralis minor INNERVATION
Medial and lateral pectoral N | C6-T1
74
Pectoralis minor action
Draws scapula Downward causing inf angle to move posteromedially Rotates glenoid inf Assists in respiration
75
Serratus anterior ORIGIN
1st to 9th ribs
76
Pectoralis Major ORIGIN | claviclar part
clavicle (medial half)
77
All rotator cuff muscles ACTION
resist upward pull of deltoid
78
Serratus Anterior Parts
Superior, Intermediate, inferior parts
79
Serratus Anterior Insertion
Scapula (medial border)
80
Serratus Anterior INNERVATION
Long Thoracic Nerve | C5-C7
81
Serratus Anterior superior part ACTION
lowers the raised arm
82
Serratus Anterior Entire Muscle ACTION
draws scapula laterally foward | elevates ribs when shoulder is fixed
83
Serratus Anterior inferior part ACTION
rotates scapula laterally
84
Omohyoid ORIGIN
scapula (sup. border)
85
Omohyoid Insertion
Hyoid bone (body)
86
Omohyoid INNERVATION
Ansa cervicalis of cervial plexus (C1-C3)
87
Omohyoid Action
depresses (fixes) hyoid, draws larynx and hyoid down for phonation and terminal phases of swalloing

Gross Anatomy KC (9 decks)

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