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Anatomy 1 > Back, Shoulder and Humerus > Flashcards

Back, Shoulder and Humerus Flashcards

(142 cards)

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1
Q

Label the structures in the image

A
  1. Clavicle
  2. Acromioclavicular Joint
  3. Glenohumeral Joint
  4. Scapula
  5. Rib
  6. Humerus
  7. Sternoclavicular Joint
  8. Sternum
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2
Q

Label the bones in the image

A
  1. Clavicle
  2. Scapula
  3. Rib
  4. Humerus
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3
Q

Identify the bones of the pectoral girdle

A

clavicle 1 and scapula 4

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4
Q

1

A

Suprascapular Notch

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5
Q

2

A

Superior Angle

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6
Q

3

A

Medial Border or vertebral border

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7
Q

4

A

Lateral Border or axillary border

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8
Q

5

A

Coracoid process

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9
Q

6

A

Acromion

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10
Q

7

A

Glenoid Cavity

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11
Q

8

A

Inferior angle

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12
Q

9

A

Subscapular fossa

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13
Q

10

A

Superior border

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14
Q

11

A

Spine

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15
Q

12

A

Infraspinous fossa

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16
Q

13

A

Lateral Angle

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17
Q

14

A

Supraspinous fossa

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18
Q

1

A

Conoid tubercle

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19
Q

2

A

Impression for the costoclavicular ligament

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20
Q

3

A

Acromial end

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21
Q

4

A

Sternal end

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22
Q

5

A

Trapezoid line

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23
Q

6

A

Subclavian groove

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24
Q

What is the pectoral girdle?

A

Group of muscles that ORIGINATE somewhere on the posterior AXIAL SKELETON and produce ACTIONS at the SCAPULA

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25
Label the POSTERIOR and ANTERIOR muscles that make up the pectoral girdle
Posterior: trapezius, lavator scapulae, rhomboid major AND minor Anterior: Subclavious, pectoralis MINOR, and serratus anterior
26
Label the POSTERIOR muscles that are part of the pectoral girdle
Trapezius 11, 2 & 3, levator scapula 7, rhomboid minor 8, rhomboid major 9
27
Label the anterior muscles of the pectoral girdle
1. Subclavius 3. Pectoralis minor 4. Serratus anterior (2. Pectoralis major was labeled only for orientation, it's not an anterior pectoral girdle muscle bc it inserts on the humerus not scapula)
28
Label the posterior and anterior muscles of the pectoral girdle in the image. Which muscles cannot be seen?
1. Lavator scapulae 2. Descending superior trapezious 3. Subclavius 4. Teres minor 5. Serratus anterior \*Can't see rhomboid minor and major\*
29
Origin, insertion, action and innervation of the trapezius
O - Superior nuchal line, external occiptal protuberance, ligamentum nuchae, spinous process C7 to T1-T12 vertebrae (varies per body) I - Lateral 1/3rd of clavicle, acromion & spine of scapula A - Elevates and retracts scapula (might also depress but it wasn't in ppt) Inn- Accessory n. (CN XI)\* \*Only muscle innervated by a cranial nerve
30
Origin, insertion, action and innervation of the levator scapulae
O - Transverse process of C1-C4 vertebrae I - Vertebral (medial) border of scapula near superior angle A - Elevates scapula Inn - Dorsal scapular n. (C4, C5)
31
Origin, insertion, action and innervation of the rhomboid minor
O - Spinous process C7 & T1 vertebrae I - Vetebral (medial) border of scapula A - Retracts scapula Inn - Dorsal scapular n (C5)
32
Origin, insertion, action and innervation of the rhomboid major
O - Spinous process T2 - T5 vertebrae I - Vertebral (medial) border of scapula (inferior to scap. spine) A - Retracts scapula Inn - Dorsal scapular n (C4, C5)
33
Origin, insertion, action and innervation of pectoralis minor
O - Anterior surface of ribs 3-5 I - Coracoid process of the scapula A - Protracts scapula (punching) and elevates ribs to asssist in inhalation Inn - Medial AND Lateral pectoral nerve
34
Origin, insertion, action and innervation of serratus anterior
O - Lateral surface of ribs 1-8 I - Anterior surface of medial border of the scapula A - Holds scapula against thoracic wall and Protracts (punch) scapula Inn - Long thoracic nerve
35
List the different movements of the scapula
* Elevation / Depression * Protraction (Abduction) / Retraction (Adduction) * Upward rotation / downward rotation
36
Demonstrate elevation / depression of the scapula
Gliding the shoulders up towards the ear and then back down
37
What muscles elevate and depress the scapula?
Elevate: descending superior trapezius (11) and levator scapulae (7) Depression: ascending inferior trapezius (3) (not stated in ppt)
38
Demonstrate protraction / retraction of the scapula
Protraction: rounding the shoulder blades forward like PUNCHING retraction: pinching the shoulder blades towards each other
39
What muscles aid in protraction and retraction of the scapula?
Protraction: serratus anterior and pectoralis minor (not pictured) Retraction: rhomboid major / minor, transverse middle trapezius
40
Demonstrate upward / downward rotation of the scapula
Upward: lift the arms up and scapula will follow Downward: return arms downward to side
41
What muscles aid in upward and downward rotation of the scapula?
Upward: Trapezius (superior and inferior) and serratus anterior Downward: rhomboid major and minor, lavator scapulae, pectoralis minor, and Latissimus dorsi (not pictured)
42
What 4\* joints make up the shoulder joint?
1. Sternoclavicular joint 2. Acromioclavicular joint 3. Glenohumeral joint \*4. Scapulothoracic joint \* not a true “anatomical” joint
43
In the upper body, what joint is the only articulation between the upper extremity and the axial skeleton?
Sternoclavicular joint (sternum and clavicle)
44
1
Articulate disk (capsule and ligaments removed anteriorly to expose joint)
45
2
Interclavicular ligament
46
3
Anterior Sternoclavicular ligament
47
4
Costoclavicular ligament
48
5
Clavicular notch
49
6
First costal cartilage
50
7
Manubrium of sternum
51
8
Attachment site for rib II
52
9
Sternal angle
53
Label the anterior ligaments of the Sternoclavicular joint
1. Interclavicular ligament 2. Anterior sternoclavicular ligaments 3. Costoclavicular ligament
54
Label the posterior ligaments of the sternoclavicular joint
1. Posterior Sternoclavicular ligaments 2. Interclavicular ligament 3. Costoclavicular ligament
55
What ligaments make up the acromioclavicular joint of the shoulder?
1. Acromioclavicular ligament 2. Coracoclavicular ligament (trapezoid ligament and the conoid ligament)
56
1
Acromioclavicular ligament
57
2
Coracoclavicular ligament
58
3
Trapezoid ligament
59
4
Conoid ligament
60
What is the main purpose of the Coracoclavicular joint?
Stabilizing the acromioclavicular joint \*Coracoclavicular are stronger extrinsic ligaments
61
What ligaments make up the glenohumeral joint of the shoulder?
1. Coracohumeral ligament 2. Coracoacromial ligament 3. Glenohumeral ligament 4. Transverse ligament\*
62
Label 1 & 2
1. Glenoid cavity 2. Glenoid labrum = layer of firbocartiledge within the Glenoid cavity
63
Label the skeletal structures 4-7
4. Glenoid cavity 5. Lesser tubercle of humerus 6. Greater tubercle of humerus 7. Coracoid process
64
1
Articular capsule = surrounds Glenohumeral joint from Glenoid cavity to anatomical neck of humerus
65
2
Glenohumeral ligaments
66
3
Coracohumeral ligament
67
1
Transverse humeral ligament
68
2
Coracohumeral ligament
69
3
Superior Glenohumeral ligament
70
4
Middle Glenohumeral ligament
71
5
Inferior Glenohumeral ligament
72
1
Acromioclavicular ligament
73
2
Coracoacromial ligament
74
3
Coracoclavicular ligament
75
Identify the bone
Anterior right humerous
76
A
Greater tubercle
77
B
Lesser tubercle
78
C
Intertubercular sulcus
79
D
Lateral epicondyle
80
E
Radial fossa
81
F
Capitulum
82
G
Trochlea
83
H
Medial epicondyle
84
I
Coronoid fossa
85
J
Body
86
K
Deltoid tuberocity
87
Identify the bone
Right Posterior humerus
88
A
Head
89
B
Greater tubercle
90
C
Lateral epicondyle
91
D
Body
92
E
Deltoid tuberocity
93
F
Medial epicondyle
94
G
Olecranon fossa
95
1
Medial Supra-epicondyle ridge
96
2
Lateral supra-epicondyle ridge
97
3
Radial fossa
98
4
Coronoid fossa
99
5
Lateral epicondyle for extensors
100
6
Medial epicondyle for flexors
101
7
Capitulum
102
8
Trochlea
103
9
Olecranon fossa
104
10
Lateral epicondyle
105
11
Extensors
106
12
Anconeus
107
13
Trochlea
108
14
Medial epicondyle for
109
15
Flexors
110
16
Ulnar nerve
111
What is the shoulder girdle?
Group of muscles that all ORIGINATE on the SCAPULA and produce ACTIONS at the GLENOHUMERAL JOINT
112
What muscles make up the shoulder girdle?
Rotator cuff muscles (subscapularis, Supraspinatus, Infraspinatus, Teres minor) Deltoid and Teres major
113
1
Spine of scapula
114
2
Deltoid
115
3
Supraspinatus
116
4
Infraspinatus
117
5
Teres minor
118
6
Teres major
119
What is this muscle
Subscapularis (anterior shoulder view)
120
What is the rotator cuff?
A group of muscles that ORIGINATES somewhere on the SCAPULA and produces ACTIONS at the GLENOHUMERAL JOINT
121
List the rotator cuff muscles
Supraspinatus (1), subscapularis (2), infraspinatus (3), Teres minor (4)
122
1
Supraspinatus m
123
2
Infraspinatus m
124
3
Teres minor
125
4
Subscapularis
126
Origin, insertion, action and innervation of subscapularis m
O - subscauplar fossa of scaupla I - lesser tubercle of humerus A - Medially (internally) rotates arm (shoulder) Inn - Upper & lower subscapularis n.
127
Origin, insertion, action and innervation of Supraspinatus
O - Supraspinous fossa of scapula I - Greater tubercle of humerus A - Abducts arm (shoudler) Inn - Suprascapular n (C5 &C6)
128
Origin, insertion, action and innervation of Infraspinatus
O - Infraspinous fossa of scapula I - Greater tubercle of humerus A - Laterally (externally) rotates arm (shoudler) Inn - Suprascapular n. (C5 &C6)
129
Origin, insertion, action and innervation of Teres minor
O - Lateral border of scapula I - Greater tubercle of humerus A - Laterally (externally) rotates arm (shoudler) Inn - Axillary n.
130
Demonstrate Abduction of the shoudler
Raising arm out to the side
131
Demonstrate lateral (external) rotation of the arm
Elbows tucked at side, forearms swing out
132
Demonstrate medial (internal) rotation of the arm
Bringing your hand to your opposite hip with your elbow bent at 90 degrees
133
Origin, insertion, action and innervation of deltoid
O - later 1/3rd of clavicle, acromion, & spine of scapula I - Deltoid tuberoisiy of hermous A - Anterior part: flexes arm (shoudler) and medially (internally) rotates arm Middle part: Abducts arm Posterior part: Extends arm and laterall (externally) rotates arm Inn - Axillary nerve
134
Origin, insertion, action and innervation of Teres major
O - Inferior angle of scapula I - Lesser tubercle of humerous A - Adducts, Extends, and Medially (internally) rotates arm Inn - lower subscapular n.
135
Origin, insertion, action and innervation of the pectoralis major muscle
O - Medial half of clavicle, sternum, costal cartiledge of ribs 2-6 I - Crest of greater tubercle of humerus A - Adducts arm (Shoulder) and medially (internally) rotates arm Inn - medial AND lateral pectoral nerve
136
Demonstrate flexion / extension of the arm (shoulder)
Flexion: raise arm out in front Extension: lift arms behind, perpendicular to back
137
Demonstrate adduction / abduction of arm (shoulder)
Abduction: raise arm out to the side of the body Adduction: return arms to the side of the body
138
What special areas of the back can be seen in this photo?
1. Quadrangular space 2. Triangular space 3. Triangular interval
139
Identify the quadrangular space in the photo
140
Label the borders of the quadrangular space
1. Teres major 2. Long head triceps brachii 3. Lateral head triceps brachii (OR Lateral shaft of humerous) 4. Teres minor
141
Label the borders of the triangular space
Teres minor Teres major Long head triceps brachii
142
Label the borders of the triangular interval
Long head triceps brachii Lateral head triceps brachii (OR Lateral shaft of humerous) Teres major

Anatomy 1 (5 decks)

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