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Upper Extremity Movements/ origin insertion Flashcards

1
Q

Deltoid Movements

A

All fibers: abduct shoulder

Anterior fibers: flex, IR and horizontally adduct the shoulder

Posterior fibers: extend, ER, and horizontally abduct the shoulder

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2
Q

Deltoid o/i

A

O: lateral 1/3 of clavicle, acromion and spine of scapula
I: deltoid tuberosity

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3
Q

Trapezius movements

A

Upper fibers:

  • Bilaterally extend head and neck
  • Unilaterally: laterally flex to the SAME side, rotate to the OPPOSITE side, elevate and upwardly rotate the scapula

Middle Fibers: adduct and stabilize the scapula

Lower Fibers: depress and upwardly rotate the scapula

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4
Q

Trapezius o/i

A

O: external occipital protuberance, medial portion of superior nuchal line of the occiput, ligaments niche and SP of C7-T12
I: lateral 1/3 of clavicle, acromion and spine of scapula

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5
Q

Latissimus Dorsi movement

A

Extends, IR and adducts the shoulder

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6
Q

Latissimus dorsi o/i

A

O: inferior angle of scapula, SP of T6-12, ribs 8-12, thoracolumbar aponeurosis and posterior iliac crest
I: Intertuberuclar groove of the humerus

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7
Q

Teres Major movements

A

Extends, adducts and IR the shoulder

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8
Q

Teres Major o/i

A

O: inferior angle and lower 1/3 of lateral border of scapula
I: crest of the lesser tubercle of the humerus

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9
Q

Supraspinatus movements

A

Abducts the shoulder

Stabilizes the humeral head in the glenoid cavity

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10
Q

Supraspinatus o/i

A

O: supraspinatus fossa of the scapula
I: Greater tubercle

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11
Q

Infraspinatus movements

A

ER and abducts the shoulder

Stabilizes the humeral head

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12
Q

Infraspinatus o/i

A

O: Infraspinatus fossa
I: greater tubercle

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13
Q

Teres Minor movements

A

ER and adduct the shoulder

Stabilizes the humeral head

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14
Q

Teres minor o/i

A

O: upper 2/3 of lateral border of scapula
I: greater tubercle

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15
Q

Subscapularis movements

A

IR shoulder

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16
Q

Subscapularis o/i

A

O: subscapular fossa
I: lesser tubercle

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17
Q

Rhomboids movements

A

Adduct, elevate and downwardly rotate the scapula

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18
Q

Rhomboids o/i

A

Major O:SP T2-5
Major I: medial border of the scapula between scapula spine and inferior angle

Minor O: SP of C7-T1
Minor I: upper portion of the medial border of the scapula, across from spine of scapula

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19
Q

Levator scapula movements

A

Bilaterally: extends the neck
Unilaterally: laterally flexes neck and rotates to the same side; elevates and downwardly rotates scapula

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20
Q

Levator scapula o/i

A

O: TP of C1-4
I: medial border of scapula between superior angle and superior portion of spine of scapula

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21
Q

Serratus Anterior movements

A

With the origin fixed:
Abducts, upwardly rotates and depresses the scapula
Holds medial border of scapula against rib cage

With the scapula fixed: may act to elevate the thorax during forced inhalation

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22
Q

Serratus anterior o/i

A

O: external surfaces of ribs 1-9
I: anterior surface of medial border of scapula

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23
Q

Pectoralis Major movements

A

All fibers: adduct and IR the shoulder; assist to elevate the thorax during forced inhalation (with the arm fixed)

Upper fibers (clavicular portion): flex and horizontally adduct the shoulder

Lower fibers (sternocostal portion): extend the shoulder

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24
Q

Pectoralis major o/i

A

Clavicular portion O: medial half of clavicle
Sternocostal portion O: sternum and cartilage of ribs 1-6
I: crest of greater tubercle

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25
Pectoralis Minor movements
Scapular depression, protraction and downward rotation With the scapula fixed, assists to elevate the thorax during forced inhalation
26
Pectoralis minor o/i
O: ribs 3-5 I: Medial surface of coracoid process of the scapula
27
Biceps Brachii movements
Shoulder flexion Elbow flexion Supination
28
Biceps brachii o/i
Long head O: supraglenoid tubercle of scapula (tendon passes through the inter tubercular groove of the humerus) Short head O: coracoid process of scapula I: Radial tuberosity and aponeurosis of the biceps
29
Triceps movements
All: extend the elbow (humeroulnar joint) Long head: extends and adducts the shoulder
30
Triceps o/i
Long head O: infraglenoid tubercle Lateral head O: posterior surface of proximal half of the humerus Medial head O: posterior surface of distal half of the humerus I: olecranon process of the ulna
31
Coracobrachialis movements
"armpit muscle"; deep to the pec major and ant deltoid and lies anterior to the axillary artery and brachial plexus secondary flexor and adductor of the shoulder
32
Coracobrachialis o/i
O: coracoid process of the scapula I: medial surface of mid humeral shaft
33
Brachialis movements
strong elbow flexor | lies deep to biceps brachii
34
Brachialis o/i
O: distal half of anterior surface of humerus I: ulnar tuberosity and coronoid process
35
Brachioradialis movements
Flexes the elbow | Assists to pronate and supinate the forearm when these movements are resisted
36
Brachioradialis o/i
O: proximal 2/3 of the lateral supracondylar ridge of the humerus I: styloid process of the radius
37
Extensor carpi radialis longus and brevis movements
Extend and abduct the wrist | Assist to flex the elbow
38
ECRL o/i
O: distal 1/3 of lateral supracondylar ridge of humerus I: base of 2nd metacarpal Radial nerve C6-7
39
ECRB o/i
O: common extensor tendon from the lateral epicondyle of humerus I: base of 3rd metacarpal
40
Extensor carpi ulnaris movements
Extends and adducts the wrist
41
ECU o/i
O: common extensor tendon from the lateral epicondyle of the humerus I: base of 5th metacarpal
42
Extensor digitorum movements
extends fingers 2-5 (MCP and IP joints) | Assists to extend the wrist
43
Extensor digitorum o/i
O: common extensor tendon from the lateral epicondyle of the humerus I: bases of middle and distal phalanges of fingers 2-5
44
Anconeus movements
weak elbow extensor
45
Anconeus o/i
O: lateral epicondyle of humerus I: olecranon process and posterior, proximal surface of ulna
46
Extensor Indicis movements
Extends and adducts the 2nd finger | May assist with wrist extension
47
Extensor Indicis o/i
O: posterior surface of distal shaft of ulna and interosseous membrane I: tendon of the extensor digitorum at the level of the 2nd metacarpal
48
Flexor carpi radialis movements
Flexes and abducts the wrist | May help to flex the elbow
49
Flexor carpi radialis o/i
O: common flexor tendon from medial epicondyle I: bases of 2nd and 3rd metacarpals
50
Palmaris Longus movements
Tense the palmar fascia Flex the wrist May assist to flex the elbow
51
Palmaris Longus o/i
O: Common flexor tendon from medial epicondyle I: Flexor retinaculum and palmar aponeurosis
52
Flexor carpi ulnaris movements
Flex and adduct the wrist | Assist to flex the elbow
53
Flexor carpi ulnaris o/i
Humeral head O: common flexor tendon from medial epicondyle Ulnar head O: posterior surface of proximal 2/3 ulna I: pisiform, hook of the hamate and base of 5th metacarpal
54
Flexor digitorum superficialis movements
Flexes fingers 2-5 (MCP and proximal IPs) | Flexes the wrist
55
Flexor digitorum superficialis o/i
O: common flexor tendon, ulnar collateral ligament, coronoid process of ulna, interosseous membrane and proximal shaft of radius I: sides of middle phalanages of fingers 2-5
56
Flexor digitorum profundis movements
Flexes fingers 2-5 (MCP and DIPs) | Assists to flex the wrist
57
Flexor digitorum profundis o/i
O: anterior and medial surfaces of proximal 3/4 of ulna I: bases of distal phalanges, palmar surface of fingers 2-5
58
Pronator teres movements
Pronates the forearm | Assists to flex the elbow
59
Pronator teres o/i
O: common flexor tendon from medial epicondyle and coronoid process of the ulna I: middle of lateral surface of the radius
60
Pronator Quadratus movements
Pronates the forearm
61
Pronator Quadratus o/i
O: medial, anterior surface of distal ulna I: lateral, anterior surface of distal radius
62
Supinator movements
Supinates the forearm
63
Supinator o/i
O: lateral epicondyle, radial collateral ligament, anular ligament and supinator crest of the ulna I: anterior, lateral surface of proximal 1/3 of radial shaft
64
Abductor pollicis longus movements
Abducts and extends the thumb | Radially deviates the wrist
65
Abductor pollicis longus o/i
O: posterior surface of radius and ulna and interosseous membrane I: base of 1st metacarpal
66
Extensor Pollicis Longus and brevis movements
Extends the thumb (CMC, MCP and IP) | Abducts the wrist
67
Extensor Pollicis o/i
O: posterior surface of ulna and interosseous membrane I: base of distal phalanx of thumb
68
Extensor Pollicis brevis o/i
O: posterior surface of radius and interosseous membrane I: base of proximal phalanx of thumb
69
Flexor pollicis longus movements
Flex the thumb (CMC, MCP, IP) | Assists to flex the wrist
70
Flexor pollicis longus o/i
O: anterior surface of radius and interosseous membrane I: base of distal phalanx of thumb
71
Abductor pollicis brevis movements
abducts the thumb (CMC and MCP) | Assists in opposition
72
Abductor pollicis brevis o/i
O: flexor retinaculum, trapezium and scaphoid tubercles I: base of proximal phalanx of thumb
73
Flexor pollicis brevis movements
Flexes the thumb (CMC and MCP) | Assists in opposition
74
Flexor pollicis brevis o/i
Superficial head O: flexor retinaculum Deep head O: trapezium, trapezoid and capitate I: base of proximal phalanx of thumb
75
Opponens pollicis movements
Opposition of the thumb at the CMC
76
Opponens pollicis o/i
O: flexor retinaculum and tubercle of the trapezium I: entire length of 1st metacarpal bone, radial surface
77
Adductor pollicis movements
Adducts the thumb (CMC and MCP) | Assists to flex the thumb (MCP)
78
Adductor pollicis o/i
O: capitate, 2nd and 3rd metacarpals I: base of proximal phalanx of thumb
79
Abductor digiti minimi movements
abduct 5th digit (MCP) | Assists in opposition of the 5th finger
80
Abductor digiti minimi o/i
O: pisiform and tendon of FCU I: base of proximal phalanx of 5th finger, ulnar surface
81
Flexor digiti minimi brevis movements
Flexes the 5th finger (MCP) | Assists in opposition of the 5th finger
82
Flexor digiti minimi brevis o/i
O: hook of the hamate and flexor retinaculum I: base of proximal phalanx of 5th finger, palmar surface
83
Opponens digiti minimi movements
Opposition of 5th finger at the CMC
84
Opponens digiti minimi o/i
O: hook of hamate and flexor retinaculum I: shaft of 5th metacarpal, ulnar surface
85
Lumbricals of the hand movements
Flexes fingers 2-5 at MCPs | Extension of proximal and distal IPs
86
Lumbricals of the hand o/i
O: surfaces of the FDP tendons 1st- from radial side of index finger (unipennate) 2nd- from radial side of middle finger (unipennate) 3rd- from contiguous sides of middle and ring fingers (bipennate) 4th- from contiguous sides of ring and little fingers (bipennate) I: extensor aponeurosis on dorsal surface of phalanges (passes on the radial side of each digit and inserts into the distal wing of the extensor expansion)
87
Palmar interossei (unipennate) movements
Adducts fingers 2, 4, 5 towards the 3rd finger Assists to flex the thumb, 2nd, 4th and 5th fingers at the MCPs Asssists to extend the thumb, 2nd, 4th and 5th fingers at the IPs
88
Palmar interossei (unipennate) o/i
O: base of 1st, 2nd, 4th and 5th metacarpals I: base of the proximal phalanx of the related finger and the extensor aponeurosis
89
Dorsal interossei (bipennate) movements
Abducts the 2nd, 3rd and 4th fingers at the MCPs Assists to flex 2nd, 3rd and 4th fingers at the MCP Assists to extend the 2nd, 3rd and 4th fingers at the IP
90
Dorsal interossei (bipennate) o/i
O: adjacent sides of all metacarpals I: base of the proximal phalanx of the 2nd, 3rd and 4th fingers and the extensor aponeurosis

EMG (18 decks)

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