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03 - Kinesiology > 03-00-A: Muscles of the Upper Extremity > Flashcards

03-00-A: Muscles of the Upper Extremity Flashcards

1
Q

(SG) Upper Trapezius

A

O: Occiput, Nuchal Ligament, SPs of C1-C6
I: Lateral 1/3 of Clavicle, Acromion
A: Scapular elevation, Upward rotation
N: Cranial Nerve XI (Accessory Nerve)

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2
Q

(SG) Middle Trapezius

A

O: SPs of C7-T3
I: Spine of the Scapula
A: Scapular retraction, Upward rotation
N: Cranial Nerve XI (Accessory Nerve)

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3
Q

(SG) Lower Trapezius

A

O: SPs of T4-T12
I: Base of the Spine of the Scapula
A: Scapular depression, Upward rotation
N: Cranial Nerve XI (Accessory Nerve)

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4
Q

(SG) Levator Scapula

A

O: TPs of C1-C4
I: Superior Angle of Scapula down to Spine of the Scapula
A: Assists with scapular elevation, downward rotation
N: Dorsal Scapular

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5
Q

(SG) Rhomboids

A

O: Minor - SPs of C7-T1, Major - SPs of T2-T5
I: Vertebral Border of Scapula from base of the spine of scapula to inferior angle; Minor - Base of spine of scapula, Major - Bottom of the base of spine
A: Scapular retraction (w/ downward rotation component, lifts scapula slightly (elevation)
N: Dorsal Scapular

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6
Q

(SG) Serratus Antrerior

A

O: Lateral aspect of ribs 1-8
I: Anterior aspect of vertebral border of scapula
A: Scapular protraction, Upward rotation
N: Long thoracic

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7
Q

(SG) Pectoralis Minor

A

O: Anterior medial aspect of ribs 3-5
I: Coracoid process of scapula
A: Scapular depression, Anterior tilt, Downward rotation
N: Medial pectoral

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8
Q

Muscle Actions - Shoulder Girdle

A
  • Elevation: Upper trapezius, levator scapula, rhomboids
  • Depression: Lower trapezius, pectoralis minor
  • Protraction: Serratus anterior, pectoralis minor
  • Retraction: Middle trapezius, rhomboids
  • Upward Rotation: Upper/Lower trapezius, serratus anterior (lower fibers)
  • Downward Rotation: Rhomboids, levator scapula, pectoralis minor
  • Scapular Tilt - Pectoralis minor
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9
Q

(SJ) Supraspinatus

A

O: Supraspinous fossa
I: Superior facet of greater tubercle of humerus
A: Initiates “roll” (of upward rotation)
N: Suprascapular Nerve

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10
Q

(SJ) Infraspinatus

A

O: Infraspinous fossa
I: Middle facet of greater tubercle of humerus
A: Lateral rotation, Horizontal abduction
N: Suprascapular Nerve

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11
Q

(SJ) Teres Minor

A

O: Axillary border of Scapula
I: Inferior facet of greater tubercle of humerus
A: Lateral rotation, Horizontal abduction
N: Axillary Nerve

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12
Q

(SJ) Subscapularis

A

O: Subscapular fossa
I: Lesser tubercle of humerus
A: Medial rotation
N: Subscapular Nerve

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13
Q

(SJ) Anterior Deltoid

A

O: Inferior aspect of lateral 1/3 of clavicle
I: Deltoid tuberosity
A: Shoulder abduction, flexion, Medial rotation, Horizontal adduction
N: Axillary Nerve

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14
Q

(SJ) Middle Deltoid

A

O: Acromion
I: Deltoid Tuberosity
A: Shoulder abduction
N: Axillary Nerve

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15
Q

(SJ) Posterior Deltoid

A

O: Inferior aspect of spine of scapula
I: Deltoid tuberosity
A: Shoulder abduction, extension, Lateral rotation, Horizontal abduction
N: Axillary Nerve

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16
Q

(SJ) Pectoralis Major (Clavicular)

A

O: Inferior aspect of medial 2/3 of clavicle
I: Lateral lip of bicipital groove of humerus
A: Shoulder flexion (0-60˚)

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17
Q

(SJ) Pectoralis Major (Sternal)

A

O: Sternum, costal cartilage of ribs 1-6
I: Lateral lip of bicipital groove of humerus
A: Shoulder extension from full flexion (180˚-120˚)

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18
Q

(SJ) Pectoralis Major (Sternal and Clavicular)

A

A: Shoulder adduction, Primary medial rotation, Primary horizontal adduction
N: Lateral pectoral, Medial Pectoral

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19
Q

(SJ) Teres Major

A

O: Inferior angle of scapula
I: Medial lip of bicipital groove of humerus
A: Medial rotation, Shoulder adduction, extension
N: Subscapular Nerve

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20
Q

(SJ) Coracobrachialis

A

O: Coracoid process of the scapula
I: Medial aspect of the mid-shaft of the humerus
A: Assist with shoulder flexion, Shoulder adduction
N: Musculocutaneous

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21
Q

Muscle Actions - Shoulder Joint

A
  • Flexion: Anterior deltoid, pectoralis major (clavicle)
  • Extension: Posterior deltoid, latissimus dorsi, teres major, pectoralis major (sternal)
  • Hyperextension: Latissimus Dorsi, posterior deltoid
  • Abduction: Anterior deltoid, middle deltoid, posterior deltoid, supraspinatus
  • Adduction: Pectoralis major, teres major, latisssimus dorsi
  • Horizontal abduction: Posterior deltoid, infraspinatus, teres minor
  • Horizontal adduction: Pectoralis major, anterior deltoid
  • External rotation: Infraspinatus, Teres minor, posterior deltoid
  • Internal rotation: Pectoralis major, latissimus dorsi, teres major, anterior deltoid, subscapularis
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22
Q

(EJ) Brachialis

A

O: Anterior lower 1/2 of humerus
I: Coronoid process and ulnar tuberosity of the ulna
A: Prime elbow flexion (pronated position)
N: Musculocutaneous

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23
Q

(EJ) Brachioradialis

A

O: Lateral supracondylar ridge of the humerus
I: Styloid process of the radius
A: Prime elbow flexion (neutral position)
N: Radial nerve

24
Q

(EJ) Biceps Brachii

A

O: Long head - Supraglenoid tubercle of scapula, Short head - Coracoid process of scapula
I: Radial tuberosity, Licertus Fibrosis
A: Primary forearm supination, Assist elbow flexion, shoulder flexion
N: Musculocutaneous

25
(EJ) Triceps Brachii
O: Long head - Infraglenoid tubercle of scapula, Lateral head - Posterior aspect of proximal humerus lateral to radial groove Medial head - Posterior aspect of distal humerus medial to radial groove I: Olecranon process of ulna A: Primary elbow extensor, Long head - Shoulder extension, lateral rotation N; Radial nerve
26
(EJ) Anconeus
O: Lateral epicondyle of humerus I: Posterior ulna adjacent to olecranon A: Assists with elbow extension N: Radial nerve
27
(EJ) Pronator Teres
O: Medial epicondyle of the humerus and coronoid process of ulna I: Lateral aspect of the radius A: Forearm pronation, Assists with elbow flexion N: Median nerve
28
(EJ) Pronator Quadratus
O: Anterior distal 1/3 of ulna I: Anterior distal 1/3 of radius A: Forearm pronation N: Median nerve
29
(EJ) Supinator
O: Lateral epicondyle of humerus and adjacent ulna I: Anterior proximal radius A: Forearm supination, Assist with elbow extension N: Radial nerve
30
Muscle Actions - Elbow Joint
- Flexion: Biceps brachii, brachialis, brachioradialis, assist from pronator teres - Extension: Triceps brachii, assist from anconeus - Pronation: Pronator teres, pronator quadratus - Supination: Supinator, Biceps brachii
31
(WJ) Flexor Carpi Radialis (FCR)
O: Medial epicondyle of humerus (Common flexor tendon) I: Base of the 2nd-3rd metacarpals A: Wrist flexion, radial deviation N: Median nerve
32
(WJ) Flexor Carpi Ulnaris (FCU)
O: Medial epicondyle of humerus (Common flexor tendon) I: Base of the 5th metacarpal A: Wrist flexion, ulnar deviation N: Ulnar nerve
33
(WJ) Palmaris Longus (PL)
O: Medial epicondyle of humerus (Common flexor tendon) I: Palmar fascia A: Wrist flexion N: Median nerve
34
(WJ) Extensor Carpi Radialis Longus (ECRL)
O: Lateral epicondyle of humerus (Common extensor tendon) I: Base of the 2nd metacarpal A: Wrist extension, radial deviation N: Radial nerve
35
(WJ) Extensor Carpi Radialis Brevis (ECRB)
O: Lateral epicondyle of humerus (Common extensor tendon) I: Base of the 3rd metacarpal A: Wrist extension N: Radial nerve
36
(WJ) Extensor Carpi Ulnaris (ECU)
O: Lateral epicondyle of humerus (Common extensor tendon) I: Base of the 5th metcarpal A: Wrist extension, ulnar deviation N: Radial nerve
37
Muscle Actions - Wrist Joint
- Flexion: Flexor Carpi Radialis, Flexor Carpi Ulnaris, Palmaris Longus - Extension: Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis, Extensor Carpi Ulnaris - Radial Deviation: Flexor Carpi Radialis, Extensor Carpi Radialis Longus - Ulnar Deviation: Flexor Carpi Ulnaris, Extensor Carpi Ulnaris
38
(EM) Flexor Digitorum Superficialis (FDS)
O: Medial epicondyle of humerus, coracoid process of ulna, middle of anterior radius I: Lateral aspects of middle phalanges 2-5 A: Flexes PIP, MCP, radiocarpal joint N: Median nerve
39
(EM) Flexor Digitorum Profundus (FPS)
O: Anterior aspect of proximal ulna, interosseous membrane I: Volar aspect of the base of distal phalanges 2-5 (runs deep to FDS) A: Flexes DIP, PIP, MCP, radiocarpal joint N: Median nerve (Digits 2-5), Ulnar nerve (Digits 4-5)
40
(EM) Flexor Pollicis Longus
O: Anterior aspect of radius, interosseous membrane I: Volar aspect of distal phalange 1 (1st digit) A: Flexes IP, MCP, assists with radiocarpal joint flexion N: Median nerve
41
(EM) Extensor Digitorum Communis
O: Common extensor tendon I: Extension hood (Dorsum of distal phalange) Digits 2-4 A: Extends DIP, PIP, MCP, radiocarpal joint N: Radial nerve
42
(EM) Extensor Digitorum Indicis
O: Posterior aspect of distal ulna I: Extensor hood of 2nd digit A: Extends DIP, PIP, MCP of 2nd digit; radiocarpal joint N: Radial nerve
43
(EM) Extensor Digiti Minimi
O: Common extensor tendon I: Extension hood of 5th digit A: Extends DIP, PIP, MCP of 5th digit; radiocarpal joint N: Radial nerve
44
(EM) Abductor Pollicis Longus
O: Posterior aspect of ulna, interosseous membrane, posterior radius I: Base of 1st metacarpal A: Abduction of 1st digit N: Radial nerve
45
(EM) Extensor Pollicis Brevis
O: Posterior aspect of radius, interosseous membrane I: Base of proximal phalange of 1st digit A: Extends MCP, radiocarpal joint N: Radial nerve
46
(EM) Extensor Pollicis Longus
O: Posterior ulna, interosseous membrane I: Base of distal phalange of 1st digit A: Extends DIP, MCP of first digitl; radiocarpal joint; assists with supination N: Radial nerve
47
(IM) Flexor Pollicis Brevis
A: Flexes 1st digit N: Median nerve
48
(IM) Abductor Pollicis Brevis
A: Abducts 1st digit N: Median nerve
49
(IM) Opponens Pollicis
A: Opposes 1st digit N: Median nerve
50
(IM) Flexor Digiti Minimi
A: Flexes 5th digit N: Ulnar nerve
51
(IM) Abductor Digiti Minimi
A: Abducts 5th digit N: Ulnar nerve
52
(IM) Opponens Digiti Minimi
A: Opposes 5th digit N: Ulnar nerve
53
(IM) Lumbricals
O: Tendons of Flexor Digitorum Profundus (2-5) I: Extension hood of digits 205 A: Flexes MCPs, extends IPs N: Median nerve (Digits 2-3), Ulnar nerve (Digits 4-5)
54
(IM) Dorsal Interossei (DAB)
O: Adjacent to metacarpals I: Base of lateral aspects of proximal phalanx 2-4 A: Abducts digits 2-4 N: Ulnar nerve
55
(IM) Palmar Interossei (PAD)
O: Adjacent to respective metacarpals I: Base of respective proximal phalanx A: Adducts digits 2, 4, 5 N: Ulnar nerve
56
(IM) Adductor Pollicis
A: Adduction of 1st digit N: Ulnar nerve - Last muscle innervated by ulnar nerve

03 - Kinesiology (18 decks)

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