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S&F 1 > Muscles Test I > Flashcards

Muscles Test I Flashcards

1
Q

Supinator

A

Nerve: Radial n. and deep radial n.

Function: supination of forearm

Artery: radial reccurrent a.

Origin: lateral epicondyle, proximal ulna,, and radial collateral and annular ligament

Insertion: shaft of radius

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2
Q

What are the deep posterior muscles of the forearm?

A

Supinator

Abductor pollicis longus

Extensor pollicis brevis

Extensor policis longus

Extensor indicis

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3
Q

adductor pollicis accessorius

(pollical palmar interosseous muscle of Henle)

A

Nerve: Deep branch of ulnar n.

Function: weak adduction and/or flexion of proximal phalanx of thumb (mainly unknown)

Artery: Radial a. (perhaps from princeps pollicis a. that branches from it

Origin: Bases of metacarpal 1

Innervation: Base of proximal phalanx of thumb and surrounding structures

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4
Q

Subclavius

A

Nerves: N. to subclavius

Function: Depression of clavicle

Artery: Clavicular branch of thoracoacromial trunk

Origin: 1st rib and its cartilage

Insetrion: Subclavian groove of clavicle

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5
Q

Pectoralis major

A

Nerves: Lateral pectoral n. and medial pectoral n.

Function: Flexion, adduction, and medial rotation of the arm

Artery: Pectoral branch of thoracoacromial trunk

Origin: Clavicle, sternum/ribs, and mainly aponeurosis of external oblique muscles

Insetrion: Lateral lip of intertubercualr groove of humerus

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6
Q

Palmar (Volar) interossei 1, 2, and 3

A

Nerve: Deep branch of ulnar n.

Function: adduct digits 2 to ulnar side and digits 4 and 5 to radial side, respectively

Artery: deep palmar a.

Origin: metacarpals (DI:1-5; PI:2-5)

Insertion: Ulnar side of proximal phalanx and extensor expansion of digit 2 and radial sides of proximal phalanges of digits 4 and 5

PAD

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7
Q

What are the anterior muscles of the shoulder girdle?

A

Serratus anteriror

Subclavius

Pectoralis major

Pectoralis minor

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8
Q

Flexor Pollicis brevis

(superficial and deep heads)

(thenar muscle)

A

Nerve: Reccurent branch of median n.

deep, and to a lesser extent superficial, heads - deep branch of the ulnar n.

Function: Flexion of proximal phalanx of thumb

Artery: Superficial palmar arch

Origin: Trapezium, transverse carpal ligament

Insertion: Volar proximal phalanx of thumb

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9
Q

Trapezius

A

Nerves: Motor = accessory n. ; Sensory = C3 & C4

Function: Elevatio of scapula and upward rotation; retraction of the scapula; depression of the scapula and upward rotation

Artery: Transverse cervical artery

Origin: External ocipital proteuberance, C1-C7; C7-T5; T5-T12

Insertion: Posterior border of lateral 1/3 of clavicle; scapular spine and medial portion of acromion; medial portion of the scapula spine

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10
Q

Dorsal interossei 1,2,3 and 4

A

Nerve: Deep branch of ulnar n.

Function: abduct digits 2 and 3 to radial side and 3 and 4 to ulnar side, respectively

Artery: deep palmar a.

Origin: Metacarpals (DI: 1-5; PI 2-5)

Insertion: radial sides of proximal phalanges and extensor expansions of digit 2 and 3, and ulnar side of proximal phalanges of digits 3 and 4

DAB

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11
Q

Extensor digiti minimi

A

Nerve: Radial n

Function: Extension of digit 5 (both middle and distal ohalanges)

Artery: Posterior interosseous a.

Origin Lateral epicondyle of humerus

Insertion: Extensor expansion of digit 5 (reach both middle nad distal phalanges)

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12
Q

Flexor digitorium Superficialis

A

Nerve: Median N.

Function: Flexion of hand and digit 2-5 (middl phalanges, so at the proximal interphalangeal joints)

Artery: Ulnar a.

Origin: Medial Epicondyle of the humerus, ulna, and oblique line of radius

Insertion: Middle phalanges of digits 2-5

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13
Q

Brachioradialis

A

Nerve: Radial n.

Function: Flexor of forearm

Artery: Radial recurrent a.

Origin Lateral supracondylar ridge of humerus

Insertion: Distal radius, including styloid process

This muscle looks like an anterior forearm muscle

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14
Q

Palmaris brevis

A

Nerve: Superficial branch of the ulnar n.

Function: pulling of skin over hypothenar eminence

Artery: Palmar arches

Origin: Flexor retinaculum and palmar aponeurosis

Insertion: skin over hypothenar eminence

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15
Q

Aconeus

A

Nerve: Radial n.

Function: Extension of forearm

Artery: Deep brachial a. and recurrent interosseous a.

Origin: lateral epicondyle of humerus

Insertion: Olecron process of adjacent portion of ulna, annular ligament

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16
Q

Pronator Quadratus

A

Nerve: Median n (anterior interosseous n.)

Function: Pronation of forearm

Artery: anterior interosseous a.

Origin: Distal Ulna

Insertion: Distal radius

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17
Q

Levator Scapulae

A

Nerves: Dorsal Sccapular n.

Function: Middle rotation of the scapula and elevation of the scapula

Artery: Dorsal scapular a.

Origin: Transverse process of C1-C4

Insetrion: Medial border of scapula, superior angle

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18
Q

What are the hypothenar muscles ?

A

Abductor digiti minimi

Flexor digiti minimi brevis

Opponens digiti minimi

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19
Q

Teres Major

A

Nerves: Lower subscapular n.

Function: Medial rotation and adduction of the arm

Artery: Subscapular a. and circumflex scapular a.

Origin: Inferior angle of scapula

Insetrion: Medial lip of inertubercular humerus

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20
Q

Brachialis

A

Nerve: Musculocutaneous n.

Function: Flexion of forearm

Artery: radial reccurent a.

Origin: Anterior surface of the humerus

Insertion: Corocoid process and tuberosity of ulna

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21
Q

Abductor digiti minimi

(hypothenar muscle)

A

Nerve: Deep branch of ulnar n.

Function: abduction proximal phalanx of digit 5

Artery: ulnar a.

Origin: pisiform and transverse carpal ligament

Insertion: Medial base of proximal phalanx of digit 5

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22
Q

Extensor digitorum

A

Nerve: Radial n.

Function: Extension of hand and of digits 2-5 (both the middle nad distal phalanges)

Artery: Posterior interosseous a.

Origin Lateral epicondyle of humerus

Insertion: Extensor expansion of digits 2-5 (reach both middle and distal phalanges of each digit

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23
Q

Palmaris Longus

A

Nerve: Median n.

Function: Weak flexion of the hand

Artery: Ulnar a.

Origin: Medial Epicondyle of the humerus

Insertion: Palmar aponeurosis

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24
Q

What are the interossei hand muscles?

A

Dorsal interossei 1, 2, 3, 4

Palmar (volar) interossei 1, 2, 3

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25
Flexor Carpi Radialis
Nerve: Median N. Function: Flexion and abduction of hand Artery: Ulnar a. Origin: Medial Epicondyle of the humerus Insertion: Bases of metacarpal 2 and 3
26
Supraspinatus
Nerves: Suprascapular n. Function: Abduction of arm Artery: Suprascapular a. Origin: Supraspinous process of scapula Insetrion: Superior facet of greater tubercle
27
Superifical Posterior Forearm
Anconeus Brachiora dialis Extensor carpi radialis longus Extensor carpii radialis brevis Extensor digitorium Extensor digiti minimi Extensor carpi ulnaris
28
Triceps Brachii | (Only Posterior Arm Muscle)
Nerve: Radial n. mainly but also axillary n. for long head Fucntion: Extension of forearm Artery: deep brachial a. Origin: infraglenoid tubercle of the scapula (long head) and proximal (lateral head) and distal ( medial head) to radial sulcus of humerus Insertion: Olecron process of ulna
29
Latissimus Dorsi
Nerves: Middle subscapular n (thoracodorsal n.) Function: Medial rotation, adduction, and extension of the arm Artery: Thoracodorsal a. (branch of subscapular a.) Origin: spinous process of vertebra T7-L5, thoracolumbar fascia, iliac crest, inferior ribs and often inferion angle of scapula Insetrion: Floor of intertubercular groove of humerus
30
Subscapularis
Nerves: Lower and upper subscapular n. Function: Medial rotation of the arm Artery: Subscapular a. Origin: Subscapular fossa Insetrion: Lesser tubercle of humerus
31
Teres Minor
Nerves: Axillary n. Function: lateral rotation of arm Artery: Circumflex scapular a. and posterior humeral circumflex a. Origin: Lateral border of scapula Insetrion: Inferior facet of greater tubercle of humerus
32
Extensor indicis
Nerve: Radial n. and Posterior Interosseous a. Function: Extension of digit 2 (both middle nad distal phalanges) Artery: Posterior Interosseous a. Origin: Posterior ulna and interosseous membrane Insertion: Extensor expansion of digit 2 (reach both middle and distal phalanges of this digit)
33
Extensor Carpi Radialis Longus
Nerve: Radia N. Function: Extension and abduction of hand Artery: Radial a. Origin Lateral supracondylar ridge of humerus Insertion: Metacarpal 2
34
Coracobrachialis
Nerve: Musculocutaneous n. Function: Flexion and adduction of the arm Artery: Brachial a. Origin: Coracoid process of the scapula Insertion: Medial Side of the humerus
35
Flexor Carpi Ulnaris
Nerve: **Ulnar n. (only antererior superficial forearm muscle with this nerve)** Function: Flexion and adduction of hand Artery: Ulnar a. Origin: Medial Epicondyle of humerus and olecron of ulna Insertion: Pisiform, hook of hamate, base of metacarpal 5
36
Deltoid
Nerves: Axillary n. Function: Abduction of arm Artery: Thoracoacromial a. and anterior and posterior humeral circumflex a. Origin:Acromion and spine of scapula lateral 3rd of clavicle Insetrion: Deltoid tuberosity of humerus
37
What are the deep anterior forearm muscles?
Pronator quadratus Flexor pollicis longus Flexor digitorium profundus
38
Flexor Pollicus Longus
Nerve: Median N. (anterior interosseous n.) Function: Flexion of the distal phalanx of thumb Artery: Anterior interosseous a. Origin: radius and interosseous membrane Insertion: Distal phalanx of thumb
39
What are the adductors of the hand?
adductor pollicis Adductor pollicis accesorius
40
Pronator Teres
Nerve: Median N. Funciton: Flexion and Pronation of forearm Artery: Ulnar and Radial a. Origin: Medial Epicondyle of the humerus (humeral head) and coronoid process of the ulna (Ulnar Head) Insertion: Lateral Midshaft of radius
41
What are the muscles of the anterior arm?
Biceps Brachii Coracobrachialis Brachialis
42
Infraspinatus
Nerves: Suprascapular n. Function: lateral rotation of arm Artery: Suprascapular a. and circumflex scapular a. Origin: Inferior fossa of the scapula Insetrion: Middle facet of the greater tubercle of the humerus
43
Lumbricals 1,2,3,4
Nerves: Medial n. - lumbricals 1 and 2 Ulnar n. - lumbricals 3 and 4 Funciton: Flexion of proximal and extension of middle and distal phalanges of digits 2-5 Artery: Superficial and deep palmar arches, and common palmar digital arteries Origin: Tendons of flexor digitorium profundus Insertion: Radial side of extensor expansions of digits 2-5 (reach both the middle and distal phalanges of each digit)
44
Extensor pollicis brevis
Nerve: Radial n. and Posterior Interosseous n. Function: Extension of proximal phalanx of thumb Artery: Posterior Interosseous a. Origin: Posterior radius and interosseous membrane Insertion: Proximal phalanx of thumb
45
Abductor pollicis brevis (thenar muscle)
Nerve: recurrent branch of median n. Function: Abduction of proximal phalanx of thumb Artery: Superficial palmar arch Origin: Trapezium, scaphoid, and transverse carpal ligament Insertion: Lateral base of proximal phalanx of thumb
46
Flexor digiti minimi brevis | (hypothenar muscle)
Nerve: Deep branch of ulnar n. Function: Flexion of proximal phalanx of digit 5 Artery: ulnar a. Origin: pisiform and transver carpal ligament Insertion: Volar base of proximal phalanx of digit 5
47
Extensor carpi ulnaris
Nerve: Radial n. Function: Extension and adduction of hand Artery: Ulna a. Origin: Lateral epicondyle of humerus and ulna Insertion: Metacarpal 5
48
Serratus anterior
Nerves: Long Thoracic n. Function : Lateral rotation and protraction of the scapula Artery: Lateral thoracic artery nd thoracodorsal a. Origin: Ribs 1-8/9 Insetrion: Medial margin of scapula
49
Pectoralis minor
Nerves: Medial pectoral n. Function: Depression and protraction of scapuala Artery: Pectoral branch of thoracoacromial trunk Origin: Rib 3-5 Insetrion: Coracoid process of scapula
50
Abductor pollicis longus
Nerve: Radial n. and posterior interosseous n. Function: abduction and extension of metacarpal 1 and thus of thumb, reposition of thumb Artery: Posterior Interosseous a. Origin: Posterior ulna, radius, and interosseous membrane Insertion: metacarpal 1
51
Extensor pollicis longus
Nerve: Radial n. and Posterior Interosseous a. Function: Extension of distal phalanx of thumb, reposition of thumb Artery: Posterior Interosseous a. Origin: Posterior radius and interosseous membrane Insertion: Distal phalanx of thumb
52
Opponens pollicis | (thenar muscle)
Nerve: Reccurent branch of median n. Function: Opposition of the thumb, at its carpometacarpal joint Artery: Superficial palmar arch Origin: Trapezium and transverse carpal ligament Insertion: Lateral shut of metacarpal 1
53
Rhomboid minor
Nerves: Dorsal Sccapular n. Function: Medial rotation of scapula, adduction and retraction of scapula Artery: Dorsal scapular a./ deep branch of transverse cervical a. Origin: Nuchal ligament and spinous process of C7-T1 Insetrion: Medial border of scapula, above the spine
54
Extensor carpi radialis brevis
Nerve: Radial n. and deep radial n. Function: Extension and abduction of hand Artery: Radial a. Origin Lateral epicondyle of humerus Insertion: Metacarpal 3
55
Rhomboid major
Nerves: Dorsal Sccapular n. Function: Medial rotation of scapula, adduction and retraction of scapula Artery: Dorsal scapular a. Origin: Spinous process of T2-T5 Insetrion: medial border of scapula, below spine
56
Opponens digiti minimi | (hypothenar muscle)
Nerve: Deep branch of ulnar n. Function: Opposition of digit 5 at its carpometacarpal joint Artery: ulnar a. Origin: pisiform and transverse carpal ligament Insertion: Medial shaft of metacarpal 5
57
Biceps Brachii
Nerve: Musculocutaneous n. Function: Flexion and supination of the forearm Artery: Brachial a. Origin: Supraglenoid tubercle of scapula- long head Coracoid process of scapula - short head Insertion: radial tuberosity (tendon) and deep fascia of medial forearm (bicipital aponeurosis)
58
Flexor digitorium profundus
Nerve: Median n. (anterior interosseous n.) - digits 2+3 Ulnar n. - digits 4+5 Function: Flexion of the hand and of digits 2-5 (distal phalanges, so at **distal interphalangeal joints)** Artery: Anterior interosseous a. Origin: Ulna and Interosseous membrane Insertion: Distal phalanges of digits 2-5
59
What are the thenar muscles?
Abductor pollicis brevis Flexor pollicis brevis Opponens pollicis
60
What are the posterior muscles of the shoulder girdle?
Levator scapulae Rhomboid major Rhomboid minor Subscapularis Teres Major Latissimus Dorsi Supraspinatus Infraspinatus Deltoid Teres Minor
61
Adductor pollicis | (transverse and oblique heads)
Nerve: deep branch of ulnar n. Function: adduction of proximal phalanx of thumb Artery: deep palmar arch Origin: Metacarpal 3 (transverse head) metacarpal 2 and 3 and adjacent carpal bone (oblique head) Insertion: medial proximal phalanx of thumb
62
What are the superficial anterior forearm muscles?
Pronator Teres Flexor Carpi Radialis Palmaris Longus Flexor Digitorum superficialis Flexor Carpi Ulnaris

S&F 1 (25 decks)

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