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BIO 2300 Unit 3 > UL Concept B > Flashcards

UL Concept B Flashcards

(80 cards)

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1
Q

What are the anterior axioappendicular muscles of shoulder?

A

Pectoralis major
Pectoralis minor
Serratus anterior
Subclavius

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2
Q

What are the posterior axioappendicular muscles of shoulder?

A 
Trapezius 
Latissimus dorsi
Rhomboid major 
Rhomboid minor 
Levator scapula
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3
Q

What are the scapulohumeral muscles of shoulder?

A

Deltoid
Teres major
Rotator cuff muscles (4)

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4
Q

Where are the actions of the axioappendicular muscles?

A

Pectoral girdle

Shoulder joint

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5
Q

What is the proximal attachment of pectoralis major?

A

Clavicle/ sternum

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6
Q

What is the distal attachment of pectoralis major

A

Intertubercular sulcus of humerus

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7
Q

What are the actions of pectoralis major?

A

Flexion at shoulder
Adduction at shoulder
Medial rotation at shoulder

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8
Q

What is the proximal attachment of pectoralis minor?

A

Ribs 3-5

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9
Q

What is the distal attachment of pectoralis minor?

A

Coracoid process of scapula

1 of 3 other muscles to attach to coracoid process

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10
Q

What is the action of pectoralis minor?

A

Stabilises scapula

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11
Q

What is the proximal attachment of sarratus anterior?

A

Ribs 1-8

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12
Q

What is the distal attachment of sarratus anterior?

A

Scapula

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13
Q

What is the action of sarratus anterior?

A

Holds scapula to Thoracic wall.

Especially active during pushing

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14
Q

What is the proximal attachment of subclavius?

A

1st rib

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15
Q

What is the distal attachment of subclavius?

A

Clavicle

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16
Q

What is the action of subclavius?

A

Stabilises/depresses clavicle

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17
Q

What is the proximal attachment of trapezius?

A

Skull
Nuchal ligament
C7-T12

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18
Q

What is the distal attachment of trapezius?

A

Scapula & Clavicle

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19
Q

What is the action of trapezius on pectoral girdle?

A

Elevation, retraction, & depression

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20
Q

What is the proximal attachment of latissimus dorsi?

A

T7-sacrum, ilium, ribs

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21
Q

What is the distal attachment of latissimus dorsi?

A

Intertubercular sulcus of humerus

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22
Q

What is the action of latissimus dorsi on humerus?

A

Extension @ shoulder
Adduction @ shoulder
Medial rotation @ shoulder

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23
Q

What is the proximal attachment of Rhomboid major?

A

T2-T5

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24
Q

What is the distal attachment of Rhomboid major?

A

Scapula (medial border)

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25
What is the action of Rhomboid major on scapula girdle?
Retraction
26
What is the proximal attachment of Rhomboid minor?
C7-T1
27
What is the distal attachment of Rhomboid minor?
Scapula (medial border @ spine)
28
What is the action of Rhomboid minor on pectoral girdle?
Retraction
29
What is the proximal attachment of levator scapulae?
C1-C4
30
What is the distal attachment of levator scapulae?
Scapula (superior to spine)
31
What is the action of levator scapulae?
Elevation
32
What is the proximal attachment of deltoid?
Scapula/ clavicle
33
What is the distal attachment of deltoid?
Deltoid tuberosity of humerus
34
What are the actions of deltoid?
Primary abductor Flexion and extension Lateral and medial rotation
35
What is the proximal attachment of teres major?
Scapula
36
What is the distal attachment of teres major?
Intertubercular sulcus of humerus
37
What is the action of teres major?
Adduction and medial rotation
38
Name the rotator cuff muscles
Supraspinatus Infraspinatis Teres minor Subscapularis
39
What is the proximal attachment of supraspinatus?
Supraspinous fossa of scapula
40
What is the distal attachment of supraspinatus?
Greater tubercle of humerus
41
What is the action of supraspinatus?
Initiates first 15 degrees of abduction
42
What is the proximal attachment of infraspinatus?
Infraspious fossa of scapula
43
What is the distal attachment of infraspinatus?
Greater tubercle of humerus
44
What is the action of infraspinatus?
Lateral rotation
45
What is the proximal attachment of teres minor?
Lateral border of scapula
46
What is the distal attachment of teres minor?
Greater tubercle of humerus
47
What is the action of teres minor?
Lateral rotation
48
What is the proximal attachment of subscapularis?
Subscapularis fossa of scapula
49
What is the distal attachment of teres minor?
Lesser tubercle of humerus
50
What is the action of teres minor?
Lateral rotation
51
What collectively holds the head of the humerus in the shallow glenoid cavity?
Rotator cuff muscles
52
What surrounds Anterior & posterior arm muscles?
Brachial fascia
53
Anterior section of arm creates _________ | Posterior section of arm creates _________
Flexion | Extension
54
Name posterior arm muscles
Triceps Brachii long head Triceps Brachii medial head Triceps Brachii lateral head
55
Name the anterior arm muscles
Biceps brachii long head Biceps brachii short head Coracobrachialis Brachialis
56
Triceps brachii long head Proximal attachment
Scapula | Infraglenoid tubercle? (posterior)
57
Triceps brachii lateral head Proximal attachment
Humerus
58
Triceps brachii medial head Proximal attachment
Humerus
59
What is the distal attachment of all 3 triceps muscles?
Olecranal process
60
Action of triceps
Extension at elbow
61
Biceps brachii long head Proximal attachment
Scapula | Supraglenoid tubercle?
62
Biceps brachii short head Proximal attachment
Coracoid process
63
Both biceps brachii distal attachments
Radial tuberosity
64
Biceps brachii action
Supination of forearm | Flexion at elbow
65
Coracobrachialis proximal attachment
Coracoid process
66
Coracobrachialis distal attachment
Middle third of humerus
67
Coracobrachialis action
Flexion at shoulder Reinforces shoulder anteriorly
68
Brachialis proximal attachment
Distal half of humerus
69
Brachialis distal attachment
Coranoid process of ulna
70
Brachialis action
Primary flexor of elbow
71
Abductors (2) shoulder
DELTOID | Supraspinatus
72
Adductors (6) shoulder
``` LATISSIMUS DORSI PECTORALIS MAJOR Coracobrachialis Teres major Teres minor Infraspinatus ```
73
Extensors (4) shoulder
LATISSIMUS DORSI DELTOID Teres major Long head triceps brachii
74
Flexors (4) shoulder
PECTORALIS MAJOR DELTOID Coracobrachialis long head of biceps brachii
75
Lateral rotators (3) shoulder
INFRASPINATUS TERES MINOR Deltoid
76
Medial rotators (5) shoulder
``` Subscapularis Deltoid Latissimus dorsi pectoralis major Teres major ```
77
Which anterior arm muscle causes flexion in all positions?
Brachialis
78
Deltoid is extensor. True?
Yes
79
LATISSIMUS dorsi is a flexor or extensor?
Extensor
80
The three muscles that attach to corocoid process are...
Pectoralis minor Coracobrachialis Biceps brachii short head

BIO 2300 Unit 3 (8 decks)

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