Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Anatomy and Physiology I > lab five: myology - pectoral area and ventral upper limb > Flashcards

lab five: myology - pectoral area and ventral upper limb Flashcards

(105 cards)

Start Studying
1
Q

parallel

A

fascicles are parallel to the longitudinal axis and terminate in flat tendons

ex: sternohyoid

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

fusiform

A

fascicles are nearly parallel to the longitudinal axis with a belly that narrows toward the tendons

ex: biceps brachii

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

circular

A

fascicles are arranged concentrically

ex: orbicularis oculi

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

triangular

A

fascicles converge from a broad origin to a narrow insertion

ex: trapezius

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

unipennate

A

fascicles attach to one of the two sides of a tendon

ex: extensor digitorum longus

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

bipennate

A

fascicles attach on both sides of a central tendon

ex: rectus femoris

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

multipennate

A

fascicles attach obliquely to tendons in various direction

ex: deltoid

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

muscles crossing shoulder joint

A

pectoralis major, latissimus dorsi, deltoid

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

action of pectoralis major

A

adducts, flexes and medially rotates arm

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

origin of pectoralis major

A

clavicle, sternum, and ribs

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

insertion of pectoralis major

A

humerus (intertubercular sulcus)

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

action of latissimus dorsi

A

adducts, extends and medially rotates arm

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

origin of latissimus dorsi

A

scapula, vertebral column, and iliac crest

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

insertion of latissimus dorsi

A

humerus (intertubercular sulcus)

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

action of deltoid

A

abducts, flexes, and rotates arm medially and laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

origin of deltoid

A

clavicle and scapula

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

insertion of deltoid

A

deltoid tuberosity of humerus

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

posterior thorax muscles

A

trapezius and levator scapulae

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

action of trapezius

A

adducts and rotates scapula; elevation and depression of scapula

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

origin of trapezius

A

superior nuchal line of occipital bone and vertebral column

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

insertion of trapezius

A

lateral clavicle and scapular spine and acromion

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

action of levator scapulae

A

elevation of scapula, lateral neck flexion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

origin of levator scapulae

A

transverse processes of cervical vertebrae (C1-C4)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

insertion of levator scapulae

A

medial border (scapula)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
anterior thorax muscle
pectoralis minor
26
action of pectoralis minor
stabilizes, abducts and rotates scapula
27
origin of pectoralis minor
ribs 3-5
28
insertion of pectoralis minor
scapula (coracoid process)
29
shoulder joint muscles (indicates rotator cuff muscles)
subscapularis, infraspinatus, supraspinatus, teres minor, teres major, coracobrachialis
30
action of subscapularis
medial rotation of arm, stabilizes humerus head in glenoid cavity
31
origin of subscapularis
subscapular fossa of scapula
32
insertion of subscapularis
lesser tubercle of humerus
33
action of infraspinatus
lateral rotation of arm, stabilizes humerus head in glenoid cavity
34
origin of infraspinatus
infraspinous fossa of scapula
35
insertion of infraspinatus
greater tubercle of humerus
36
action of supraspinatus
abduction of arm, stabilizes humerus head in glenoid cavity
37
origin of supraspinatus
supraspinous fossa of scapula
38
insertion of supraspinatus
greater tubercle of humerus
39
action of teres minor
lateral rotation and adduction of arm, stabilizes humerus head in glenoid cavity
40
origin of teres minor
lateral border of scapula
41
insertion of teres minor
greater tubercle of humerus
42
action of teres major
medial rotation, adductions and extension of arm
43
origin of teres major
inferior angle and lateral border of scapula
44
insertion of teres major
intertubercular sulcus of humerus
45
action of coracobrachialis
flexion and adduction of arm
46
origin of coracobrachialis
coracoid process of scapula
47
insertion of coracobrachialis
mid-shaft of humerus
48
anterior arm muscles
biceps brachii (long and short head) and brachialis
49
action of biceps brachii
supination and flexion of forearm
50
origin of biceps brachii
supraglenoid tubercle and coracoid process of scapula
51
insertion of biceps brachii
radial tuberosity
52
action of brachialis
flexion of forearm
53
origin of brachialis
anterior distal shaft of humerus
54
insertion of brachialis
ulnar tuberosity and coranoid process of ulna
55
posterior arm muscles
triceps brachii (long, lateral, and medial head)
56
action of triceps brachii
extension of forearm; stabilizes shoulder joint
57
origin of triceps brachii
infraglenoid tubercle (scapula) and proximal posterior shaft of humerus
58
insertion of triceps brachii
olecranon process (ulna)
59
anterior forearm muscles
brachioradialis
60
action of brachioradialis
flexion of forearm; pronation of forearm (when supinated); supination of forearm (when pronated)
61
origin of brachioradialis
distal shaft of humerus
62
insertion of brachioradialis
styloid process of radius
63
anterior superficial forearm muscles
flexor carpi radialis, palmaris longus, flexor carpi ulnaris, pronator teres
64
action of flexor carpi radialis
wrist flexion and hand abduction
65
origin of flexor carpi radialis
medial epicondyle (humerus)
66
insertion of flexor carpi radialis
metacarpals II and III
67
action of palmaris longus
wrist flexion (weak)
68
origin of palmaris longus
medial epicondyle (humerus)
69
insertion of palmaris longus
palmar aponeurosis (sheet-like tendon)
70
action of flexor carpi ulnaris
wrist flexion and hand adduction
71
origin of flexor carpi ulnaris
medial epicondyle of humerus and olecranon process and posterior border (ulna)
72
insertion of flexor carpi ulnaris
pisiform and hamate (carpal bone)
73
action of pronator teres
forearm pronation
74
origin of pronator teres
medial epicondyle (humerus) and coronoid process of ulna
75
insertion of pronator teres
lateral mid-shaft of radius
76
anterior deep forearm muscles
flexor pollicis longus and flexor digitorum profundus
77
action of flexor pollicis longus
flexion of thumb
78
origin of flexor pollicis longus
mid-shaft of radius; coronoid process (ulna)
79
insertion of flexor pollicis longus
distal phalanx of I (thumb)
80
action of flexor digitorum profundus
flexion of wrist and fingers 2-5
81
origin of flexor digitorum profundus
proximal shaft of ulna
82
insertion of flexor digitorum profundus
distal phalanges II-V
83
posterior deep forearm muscles
abductor pollicis longus, extensor pollicis longus, supinator
84
action of abductor pollicis longus
abduction and extension of thumb
85
origin of abductor pollicis longus
radius and ulna (both proximal posterior); interosseous membrane
86
insertion of abductor pollicis longus
metacarpal I
87
action of extensor pollicis longus
extension of thumb
88
origin of extensor pollicis longus
ulna (posterior mid-shaft); interosseous membrane
89
insertion of extensor pollicis longus
distal phalanx of thumb
90
action of supinator
supination of forearm
91
origin of supinator
ulna (posterior proximal shaft); lateral epicondyle of humerus
92
insertion of supinator
radius (lateral proximal shaft)
93
posterior superficial forearm muscles
extensor carpi radialis longus, extensor carpi radialis brevis, extensor digitorum, extensor carpi ulnaris
94
action of extensor carpi radialis longus
extension of wrist and abduction of hand
95
origin of extensor carpi radialis longus
supracondylar ridge (humerus)
96
insertion of extensor carpi radialis longus
metacarpal II
97
action of extensor carpi radialis brevis
extension of wrist and abduction of hand
98
origin of extensor carpi radialis brevis
lateral epicondyle (humerus)
99
insertion of extensor carpi radialis brevis
metacarpal III
100
action of extensor digitorum
extension of wrist and fingers 2-5
101
origin of extensor digitorum
lateral epicondyle (humerus)
102
insertion of extensor digitorum
phalanges II-V
103
action of extensor carpi ulnaris
extension of wrist; adduction of wrist
104
origin of extensor carpi ulnaris
lateral epicondyle (humerus) and ulna
105
insertion of extensor carpi ulnaris
metacarpal V

Anatomy and Physiology I (13 decks)

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