Shoulder and Arm muscles Flashcards
(147 cards)
1
Q
Pectoralis Major Origin
A
Medial clavicle, sternum and ribs 2-6
2
Q
Pectoralis Major Insertion
A
Lateral lip of bicipital groove
3
Q
Pectoralis Major Action
A
Entire muscles adducts, horizontally adducts and medial rotates humerus
4
Q
Pectoralis Major Nerve
A
Medial and lateral pectoral nerves
5
Q
Pectoralis Minor Origin
A
Ribs 3-5 (anterior)
6
Q
Pectoralis Minor Insertion
A
Coracoid process of scapula
7
Q
Pectoralis Minor Action
A
Protraction of scapula
8
Q
Pectoralis Minor Nerve
A
Medial pectoral nerve
9
Q
Subclavius origin
A
1st rib
10
Q
Subclavius insertion
A
Clavicle
11
Q
Subclavius action
A
Stabilize the sternoclavicular joint (SC)
12
Q
Subclavius nerve
A
Nerve to subclavius
13
Q
Upper Trapezius origin
A
Occipital bone
14
Q
Rhomboid Major Origin
A
Spine T2-T5
15
Q
Rhomboid Major insertion
A
Vertebral Border of scapula
16
Q
Rhomboid Major Action
A
Elevation, retraction and downward rotation of the scapula
17
Q
Rhomboid Minor Origin
A
Spines C7-T1
18
Q
Rhomboid Minor Insertion
A
Vertebral border of scapula
19
Q
Rhomboid Major Nerve
A
Dorsal scapular nerve
20
Q
Rhomboid Minor nerve
A
Dorsal Scapular nerve
21
Q
Rhomboid Minor Action
A
Elevation, retraction and downward rotation of the scapula
22
Q
Levator Scapula Origin
A
Transverse process of C1-C4
23
Q
Levator Scapula Insertion
A
Superior angle of scapula
24
Q
Levator Scapula Action
A
Elevate and retraction of scapula
25
Levator Scapula Nerve
Dorsal scapular nerve
26
Latissimus Dorsi origin
Spinous processes of T6-L5, iliac crest and ribs 10-12
27
Latissimus Dorsi Insertion
Medial/Inferior lip of bicipital groove
28
Latissimus Dorsi Action
Extension, adduction and medial rotation of the humerus
| Swimmers muscle
29
Latissimus Dorsi Nerve
Thoracodorsal nerve
30
Serratus Anterior origin
Upper ribs- ribs 1-9
31
Serratus Anterior insertion
Vertebral border of scapula
32
Serratus Anterior Action
Abduction/ protraction of the scapula
33
Serratus Anterior nerve
Long thoracic nerve
34
Scapular protraction muscles
Serratus Anterior, pectoralis Minor
35
Scapular retraction muscles
Rhomboids, Middle Trapezius
36
Scapular elevation muscles
Upper Trapezius, Levator Scapula, Rhomboids
37
Scapular depression
Lower Trapezius, Serratus Anterior
38
Upward (lateral) rotation
Trapezius, Serratus Anterior
39
Downward (Medial) rotation
Lavator Scapula, Rhomboids
40
Deltoid anterior origin
Lateral clavicle
41
Deltoid middle origin
Acromion process
42
Deltoid posterior origin
Spine of scapula
43
Deltoid's insertion
Deltoid tuberosity (midway down humerus)
44
Deltoid anterior action
Flexion, medial rotation, adduction, horizontal adduction
45
Deltoid middle action
Abduction
46
Deltoid Posterior action
Extension, lateral rotation, abduction, horizontal abduction
47
Deltoid's nerve
Axillary nerve
48
Four Rotator cuff muscles
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
49
Not a rotator cuff muscle
Teres Major
50
Supraspinatus origin
Supraspinous fossa (above spine)
51
Supraspinatus insertion
Greater tubercle of humerus
52
Supraspinatus action
Abduction of humerus
53
Supraspinatus nerve
Suprascapular nerve
54
Infraspinatus origin
Infraspinous fossa
55
Infraspinatus insertion
Greater tubercle of humerus
56
Infraspinatus action
Lateral rotation of the humerus (lift forearm up)
57
Infraspinatus nerve
Suprascapular nerve
58
Teres Minor origin
Axillary border of scapula
59
Teres Minor insertion
Greater tubercle of humerus
60
Teres Minor Action
Lateral rotation of the humerus
61
Teres Minor Nerve
Axillary Nerve (shoulder nerve)
62
Subscapularis origin
Subscapular fossa of scapula
63
Subscapularis insertion
Lesser tubercle of humerus
64
Subscapularis action
Medial rotation of humerus (accelerates the arm)
65
Subscapularis nerve
Subscapular nerve
66
Teres Major Origin
Inferior angle of scapula
67
Teres Major Insertion
Medial lip of bicipital groove
68
Teres Major Action
Adduct, extension, medial rotates humerus
69
Teres Major Nerve
Subscapular Nerve
70
Bicep Brachii Origin- Short Head
Coracoid process of scapula
71
Bicep Brachii Origin- Long head
Supraglenoid tubercle
| Glenoid labrum
72
Bicep Brachii Insertion
Radial Tuberosity
73
Bicep Brachii Action
Flexion of elbow and shoulder, supination of forearm
74
Bicep Brachii Nerve
Musculocutaneous Nerve
75
Coracobrachialis origin
Coracoid process
76
Coracobrachialis insertion
Shaft of humerus
77
Coracobrachialis Action
Flexion with minimal adduction of the humerus
78
Coracobrachialis Nerve
Musculocutaneous Nerve
79
Brachialis origin
Lower, anterior shaft of humerus
80
Brachialis insertion
Coronoid process of ulna
81
Brachialis Action
Flexion of elbow (primary action over bicep)
82
Brachialis Nerve
Musculocutaneous nerve
83
Tricep Brachii Origin- Long head
Infraglenoid tubercle of scapula
84
Tricep Brachii Origin- Lateral Head
Posterior shaft of humerus
85
Tricep Brachii Origin- Medial head
Posterior shaft of humerus
86
Tricep Brachii Insertion
Olecranon process of the ulna
87
Tricep Brachii Action
Extend elbow
88
Tricep Brachii Nerve
Radial nerve
89
Pronator Teres Origin
Medial epicondyle and coronoid process
90
Pronator Teres insertion
Lateral surface of radius
91
Pronator Teres action
pronates the forearm
92
Pronator Teres Nerve
Median Nerve
93
Palmaris Longus Origin
Medial Epicondyle
94
Palmaris Longus Insertion
Palmar aponeurosis
95
Palmaris Longus Action
Assists wrist flexion
96
Palmaris Longus Nerve
Median Nerve
97
Flexor Digitorum Superficialis Origin
Medial Epicondyle
98
Flexor Digitorum Superficialis Insertion
Base of middle phalanx
| Digits of 2-5
99
Flexor Digitorum Superficialis Action
Flexion at wrist and PIP joint
| Proximal interphalangeal
100
Flexor Digitorum Superficialis Nerve
Median Nerve
101
Flexor Carpi Radialis Origin
Medial Epicondyle
102
Flexor Carpi Radialis Insertion
2nd and 3rd metacarpals
103
Flexor Carpi Radialis Action
Flexion and radial deviator
104
Flexor Carpi Radialis Nerve
Median Nerve
105
Flexor Carpi Ulnaris Origin
Medial Epicondyle
106
Flexor Carpi Ulnaris Insertion
Pisiform, hamate and 5th metacarpal
107
Flexor Carpi Ulnaris Action
Flexion and ulnar deviation
108
Flexor Carpi Ulnaris Nerve
Ulnar Nerve
109
Flexor Digitorum Profundus Origin
Proximal three fourths of anterior ulna
110
Flexor Digitorum Profundus Insertion
Base of distal phalanges (2-5)
111
Flexor Digitorum Profundus Action
Wrist flexion and DIP joint
| Distal interphalangeal
112
Flexor Digitorum Profundus Nerve
Median Nerve and Ulnar Nerve
113
Pronator Quadratus Origin
Distal, anterior ulna
114
Pronator Quadratus Insertion
Distal, anterior radius
115
Pronator Quadratus Action
Pronation
116
Pronator Quadratus Nerve
Median Nerve
117
Supinator origin
Lateral epicondyle
118
Supinator insertion
Proximal, posterior radius
119
Supinator Action
Forearm Supination
120
Supinator Nerve
Radial Nerve
121
Brachioradialis origin
Lateral epicondyle
122
Brachioradialis insertion
Styloid process of radius
123
Brachioradialis Action
Flexion of the elbow
| *Hammer Curl*
124
Extensor Digitorum Origin
Lateral epicondyle
125
Extensor Digitorum insertion
Distal Phalanges (2-5)
126
Extensor Digitorum action
Extend wrist and digits 2-5
| Spreads fingers apart
127
Extensor Carpi Ulnaris Origin
Lateral epicondyle
128
Extensor Carpi Ulnaris Insertion
5th Metacarpal
129
Extensor Carpi Ulnaris Action
Ulnar deviation and extends wrist
130
Extensor Carpi Radialis Longus origin
Lateral supracondylar ridge of humerus
131
Extensor Carpi Radialis Longus Insertion
Base of 2nd Metacarpal
132
Extensor Carpi Radialis Longus Action
Extend and radial deviation of wrist
133
Extensor Carpi Radialis Brevis Origin
Lateral epicondyle
134
Extensor Carpi Radialis Brevis Insertion
Dorsal aspect of 3rd metacarpal
135
Extensor Carpi Radialis Brevis Action
Extend and radial deviation of wrist
136
Flexor Pollicis Longus Origin
Anterior surface of the radius
137
Flexor Pollicis Longus Insertion
Base of phalanx of thumb
138
Flexor Pollicis Longus Action
Flex thumb
139
Flexor Pollicis Brevis Origin
Trapezium bone
140
Flexor Pollicis Brevis Insertion
Proximal phalanx of thumb
141
Flexor Pollicis Brevis action
Assists with thumb flexion
142
Extensor Pollicis Longus origin
Ulna
143
Extensor Pollicis Longus Insertion
Distal phalanx of thumb
144
Extensor Pollicis Longus action
Extends thumb at IP and MP joint
145
Extensor Pollicis Brevis Origin
Radius
146
Extensor Pollicis Brevis Insertion
Proximal phalanx of thumb
147
Extensor Pollicis Brevis action
Extends MP joint and radial deviation of wrist
