Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

anatomy II > Muscles > Flashcards

Muscles Flashcards

(59 cards)

Start Studying
1
Q

shoulder girdel muscle

trapezius

A

O: occipital bone, nuchael lig, C7-T12 SP
I: lateral clavicle, acromion, spine of scapula
A: elevates, retracts, rotates, depresses, scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

shoulder girlde

levator scapulae

A

O: TP of C1-C4
I: superior angel of scapula
A: elevates scapula, titls glenoid cavity downward

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

shoulder girlde

rhomboid minor

A

O: nuchael ligament, SP of C7-T1
I: medial border of scapula at spine
A: retracts and elevates scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

shoulder girlde

rhomboid major

A

O: SP of T2-T5
I: medial border of scapula below spine
A: retracts and elevates scap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

shoulder girlde

serratus anterior

A

o: ribs 1-8 (lateral surface)
i: anterior medial border of scapula
a: retracts and stabilizes scapula, assists in upward rotation of scap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

shoulder girlde

pecs minor

A

o: ribs 3-5
I: coracoid process of scap
a: depresses and protracts scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

shoulder girlde

subclavius

A

o: 1st rib and costal cartilage
i: inferior surface of clavicle
a: anchors and depresses clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

shoulder girlde

deltoid

A

o: clavicle, acromion, spine of scap
i: deltoid tuberosity of humerus
a: flex anteriorly, abd, ext posterior of arm
3 fibers - ant, medial, posterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

shoulder girlde

supraspinous

A

o: supraspinous fossa of scap
i: greater tubercle of humerus
a: iniates abd (first 15 deg), stabilizes glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

shoulder girlde

infraspinatous

A

o: infraspinatous fossa of scapula
i: greater tubercle of humerus
a: lateral rot of arm, stabilizes glenohumeral joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

shoulder girlde

teres major

A

o: lateral border of scapula
i: medial lip of intertubercular groove of humerus
a: add, medially rotates arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

shoulder girlde

pecs major

A

o: clavicle, sternum, costal cartilages 1-6
i: lateral lip of intertubercular groove of humerus
a: add, flexes, medially rotates arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

shoulder girlde

lattissimus dorsi

A

o: t7-L5 SP, iliac crest, thorocolumbar fassia
i: intertubercular groove of humerus
a: extends, add, medially rotates arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

shoulder

subescapularis

A

o: subscapular fossa
i: lesser tubercle of humerus
Act: IR

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

shoulder

muscles that form rotator cuff

A
  1. supraspinatus
  2. infraspinatus
  3. teres minor
  4. subscapularis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

arm muscles

corachobrachiallis (group, o,i,act,inn)

A

anterior group
o: coracoid process
i: humerus
act: flex of shoulder and add
inn: musculocutaneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

arm muscles

brachiallis anterior (group,o,i,a,inn)

A

anterior group
o: distal half of shaft of humerus
i: coronoid process and ulna tuberosity
a: flex–> the deeper fibers are inserted into the elbow capsule and tighten it to prevent impingement during flex
inn: musculocutaneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

arm muscles

biceps brachiallis

A

anterior group
o:
long head: infraglenoid tubercle of scapula
lateral head: upper half of post face of humerus
medial head: lower half of post face of humerus

i: radial tuberosity
a: flex the arm and forearm, supne the forearm at elbow
inn: musculocutaneous nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

arm muscles

triceps brachiallis

A

posterior group
o:
long head: infraglenoid tubercle of scapula
medial head: lower half of post aspect of the humerus
lateral head: upper half of post face of the humerus

i: olecranon
act: elbow ext
inn: radial nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

forearm muscles

pronator teres

A

anterior group
o: medial epicondyle of humerus
i: radius
acc: pronation of forearm
inn: median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

forearm muscles

flexor digitorum profundus

A

anterior group
o: ulna
i: distal phalanges of the last four fingers
a: flex your fingers and wrist
inn: median and ulnar nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

forearm muscles

pronator quadratus

A

anterior group
o: anterior surface of the ulna
i: anterior surface of the radius
a: pronation
inn: median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

forearm muscles

flexor hallucis longus

A

anterior group
o: radius
i: distal phalanx of thumb
a: flex thumb
inn: median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

forearm muscles

flexor digitorum superficiallis

Study These Flashcards
A

anterior group
o: epitrochlea, ulna, radius
i: 2nd phalanx of the 4 medial fingers
a: flx the last 4 fingers and wrist
inn: median nerve

23
# forearm muscles flexor carpi radiallis
anterior group o: medial epicondyle of humerus i: base of 2nd metacarpal acc: flex and abd of hand inn: median nerve
24
# forearm muscles flexor carpi ulnaris
anterior group o: medial epicondyle of humerus, inner edge of olecranon i: pisiform, hook of hamate, base of 5th metacarpal act: flex, add ur hand at wrist joint inn: ulnar nerve
25
# forearm muscles palmaris longus
anterior group o: medial epicondyle of humerus i: palmar aponeurosis acc: flex hand inn: medial nerve
26
anterior goup of forearm muscle deepest to most superficial: 8 muscles
1. pronator quadratus 2. flexor digitorum profundus 3. flexor pollicis longus 4. flexor digitorum superficialis 5. flexor carpiallis ulnaris, flexor carpiallis radialis, pronator teres, palmaris longus
27
# forearm muscles supinator
lateral group o: lateral epicondyle of humerus i: radius acc: supination of forearm inn: radial nerve
28
# forearm muscles extensor carpi radiallis brevis
lateral group o: lateral epicondyle of humerus i: third metacarpal act: ext, abd of hand inn: radial nerve
29
# forearm muscles extensor carpi radiallis longus
lateral group o: lateral epicondyle i: 2nd metacarpal act: ext, abd inn: radial nerve
30
# forearm muscles braqioradiallis
lateral group o: lateral edge of humerus i: styloid process of radius acc: elbow flex inn: radial nerve
31
# forearm muscles abd pollicis longus group, plane, o,i,act,inn
posterior group - deep plane o: ulna and radius i: base of 1st metacarpal act: abd of 1st metacarpal inn: radial nerve
32
# forearm muscles ext pollicis brevis
posterior group - deep plane o: radius, interosseous membrane i: proximal extremity of the 1st phalanx of thumb acc: extensor of 1st phalanx, accessor thumb abd
33
ext pollicis longus
posterior group - deep plane o: ulna, interosseous membrane i: 2nd phalanx of thumb act: thumb ext
34
# forearm muscles ext indicis
posterior group - deep plane o: posterior aspect of ulna i: tendon of superficial common act: ext of inidex inn: radial nerve
35
# forearm muscles ext digitorum
posterior group - superficial plane o: lateral epicondyle i: 2nd, 3rd phalanx of last four fingers act: finger ext inn: radial nerve
36
# forearm muscles ext digiti minimi
posterior group - superficial plane o: epicondyle i: fuses with the tendon of the common extensor of fingers intended for pinky act: digiti minimi extension inn: radial nerve
37
# forearm muscles ext carpi ulnaris
posterior group - superficial plane o: epicondyle i: base of 5th metacarpal act: ext, add of hand inn: radial nerve
38
# forearm muscles anconeus
posterior group - superficial plane o: epicondyle i: posterior aspect of ulna act: elbow flex inn: radial nerve
39
flexor muscles of the forearm
* brachialis * brachioradialis * biceps branchii
40
extensor muscles of forearm
* triceps brachiallis * anconeus
41
pronator muscles of forearm
* pronator teres pronator quadratus
42
# forearm muscles supinator muscles of the forearm
* supinator: if forearm is in extension this is the only muscle capable of producing supination * biceps brachii: in lesions of radial nerve supination is only possible by the action of this muscle
43
# wrist muscles radial abduction
abduction all muscles for the thumb: * abd pollic longus * ext pollicis brevis & longus * flex carpi ulnaris * ext carpi radialis brevis * ext carpi radialis longus * brachioradialis * flexor pollicis longus
44
# wrist muscles ulnar abduction
* flex carpi ulnaris extensor carpi ulnaris ext and flex of last 4 fingers
45
# wrist muscles palmar flexion
muscles that act on hand * flexor carpi radialis * flexor carpi ulnaris * palmaris longus * flexor digitorum superficialis * flexor digitorum profundus
46
dorsal extension
all have dorsal origin * radialis muscle * extensor carpi ulnaris * extensor pollicis longus * extensor digitorum
47
# hand muscles dorsal interossei
4 central group o: metacarpals i: base of 1st phalanges act: abd fingers - 2nd, 3rd, 4th. flexes 1st inn: ulnar nerve
48
# hand muscles palmar interossei
(4) central group o: 2nd,4th,5th metacarpal i: base of 1st phalanges and ext tendon act: add of fingers inn: ulnar nerve
49
# hand muscles lumbricals
central group o: common flexor tendon i: corresponding ext tendon acc: flex 1st, 2nd, 3rd inn: ulnar and median nerve - medial 2 = median nerve - lateral 2 = ulnar nerve
50
# hand muscles add pollicis
medial group (thenar muscles) o: trapezoid, large bone i: inner edge of 1st phalanx of the thumb act abd inn: ulnar
51
# hand muscles flexor pollicis brevis
medial group (thenar muscles) o: flexor retinaculum, trapezium, trapezoid i: 1st phalanx of thumb act: flex inn: median and ulnar nerve
52
# hand muscles opponens pollicis
o: trapezium i: radial bordr 1st metacarpal act: opposition inn: median nerve
52
# hand muscles abd pollicis brevis
o: schaphoid, trapezium, I: Base of the 1st phalanx of the thumb act: Separation of the thumb, with long abductor inn: Median nerve
53
# hand muscles opponens digiti minimi
lateral group (HYPOTHENAR MUSCLES) O: Hamate. ▪I: 5th metacarpal (ulnar border) ▪Act.: opposition. ▪Innerv.: Ulnar nerve
54
# hand muscles flexor digiti minimi
lateral group (HYPOTHENAR MUSCLES) O: Hamate. I: Proximal phalanx of the little finger. Act.: Flexion. Innerv: Ulnar nerve
55
# hand muscles abd digiti minimi
lateral group (HYPOTHENAR MUSCLES) O: Pisiform I: Base of the 1st phalanx Act.: Abduct the little finger. Innerv: Ulnar nerve
56
# hand muscles short palmaris
lateral group (HYPOTHENAR MUSCLES) The most superficial ▪ O: Palmar aponeurosis ▪ I: Skin of the ulnar edge of the hand ▪ Act.: wrinkles the skin of the hypothenar eminence and tightens the palmar aponeurosis ▪ Innerv: Ulnar nerve

anatomy II (4 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions