Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Human Anatomy > Muscle Facts > Flashcards

Muscle Facts Flashcards

(108 cards)

Start Studying
1
Q

Occipitofrontalis

A

Origin:
Insertion:
Action: elevate eyebrows, wrinkle skin of forehead

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

Orbicularis Oculi

A

Origin:
Insertion:
Action: close eyelids

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

Orbicularis Oris

A

Origin:
Insertion:
Action: compress & purse lips

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

Zygomaticus Minor

A

Origin:
Insertion:
Action: pull corner of mouth superiorly & laterally

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

Zygomaticus Major

A

Origin:
Insertion:
Action: pulls corner of mouth superiorly & laterally

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

Buccinator

A

Origin:
Insertion:
Action: compress cheek against molars, primary muscle of the cheek

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

Risorius

A

Origin:
Insertion:
Action: depress angle of mouth (frown)

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

Temporalis

A

Origin: temporal fossa
Insertion: coronoid process & ramus of mandible
Action: elevate & retract mandible

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

Masseter

A

Origin: zygomatic arch
Insertion: mandibular angle
Action: elevate mandible

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

Digastric

A

Origin: mandible
Insertion: hyoid
Action: elevate & steadies hyoid, deglutition

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

Mylohyoid

A

Origin: mandible
Insertion: hyoid
Action: forms the floor of oral cavity, elevate hyoid, deglutition

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

Omohyoid

A

Origin: superior border of scapula
Insertion: hyoid
Action: depress hyoid

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

Sternohyoid

A

Origin: sternum
Insertion: hyoid
Action: depress hyoid

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

Sternothyroid

A

Origin: sternum
Insertion: thyroid cartilage
Action: depress hyoid

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

Platysma

A

Origin:
Insertion:
Action: tense skin of neck, depress mandible

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

Anterior Scalene

A

Origin: anterior tubercle cervical vertebrae
Insertion: rib 1
Action: flex neck laterally, elevate rib 1

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

Middle Scalene

A

Origin: posterior tubercle cervical vertebrae
Insertion: rib 1
Action: flex neck laterally

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

Posterior Scalene

A

Origin: posterior tubercle cervical vertebrae
Insertion: rib 2
Action: flex neck laterally, elevate rib 2

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

Sternocleidomastoid

A

Origin: manubrium, sternal end of clavicle
Insertion: mastoid process
Action: flex neck laterally, rotate neck to opposite side

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

External Intercostal

A

Origin: LOWER margin of UPPER rib
Insertion: UPPER margin of LOWER rib
Action: raise ribs during inspiration

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

Internal Intercostal

A

Origin: UPPER margin of LOWER rib
Insertion: LOWER margin of UPPER rib
Action: lower ribs during expiration

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

Rectus Abdominus

A

Origin: pubis
Insertion: costal cartilage of ribs 5-7, xiphoid process
Action: flex trunk, compress abdomen

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

External Oblique

A

Origin: ribs
Insertion: iliac crest, linea alba
Action: flex trunk to same side, rotate trunk to opposite side

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

Internal Oblique

A

Origin: iliac crest
Insertion: ribs
Action: flex trunk to same side, rotate trunk to opposite side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Transversus Abdominis
Origin: Insertion: Action: rotate trunk to same side
26
Quadratus Lumborum (QL)
Origin: iliac crest Insertion: transverse process L1-L4, 12th rib Action: extend trunk, bend trunk to same side
27
Diaphragm
Origin: ribs 7-12, xiphoid process, body of vertebrae L1-L3 Insertion: central tendon of diaphragm Action: principle muscle of respiration
28
Splenius Capitis
Origin: Insertion: Action: lateral flexion of neck, rotate head to same side
29
Semispinalis Capitis
Origin: Insertion: Action: lateral flexion of neck, rotate head to same side
30
Spinalis
Origin: Insertion: Action: extend vertebral column
31
Longissimus
Origin: Insertion: Action: extend vertebral column
32
Iliocostalis
Origin: Insertion: Action: extend vertebral column
33
Deltoid
Origin: clavicle; acromion, spine of scapula Insertion: deltoid tuberosity Action: ABduct shoulder
34
Pectoralis Major
Origin: clavicle, sternum, ribs Insertion: greater tubercule Action: flex, adduct, internally rotate shoulder
35
Coracobrachialis
Origin: coracoid process Insertion: humerus Action: flex, adduct, internally rotate shoulder
36
Pecotralis Minor
Origin: ribs 3-5 Insertion: coracoid process Action: protract & depress scapula
37
Serratus Anterior
Origin: ribs 1-9 Insertion: anterior surface of medial border of scapula Action: protract scapula, lowers a raised arm
38
Trapezius
Origin: occipital bone, spinous process C1-T12 Insertion: clavicle, acromion, spine of scapula Action: elevate, retract, depress scapula
39
Levator Scapulae
Origin: Insertion: Action: elevate scapula
40
Rhomboid Minor
Origin: spinous process C6-C7 Insertion: medial border of scapula Action: steady scapula, draw scapula medically upward
41
Rhomboid Major
Origin: spinous process T1-T4 Insertion: medial border of scapula Action: steady scapula, draw scapula medially upward
42
Latissimus Dorsi
Origin: spinous process T7-T12, ribs 9-12, iliac crest, inferior angle of scapula Insertion: lesser tubercle Action: extend, adduct, internally rotate shoulder
43
Teres Major
Origin: inferior angle of scapula Insertion: lesser tubercule Action: extend, adduct, internally rotate shoulder
44
Supraspinatus
Origin: supraspinous fossa Insertion: greater tubercule Action: ABduct shoulder
45
Infraspinatus
Origin: infraspinous fossa Insertion: greater tubercule Action: externally rotate shoulder
46
Teres Minor
Origin: lateral border of scapula Insertion: greater tubercule Action: externally rotate shoulder
47
Subscapularis
Origin: subscapular fossa Insertion: lesser tubercule Action: internally rotate shoulder
48
Biceps Brachii
Origin: supraglenoid tubercule, coracoid process Insertion: radial tuberosity Action: flex elbow, supinate forearm
49
Brachioradialis
Origin: humerus Insertion: styloid process of radius Action: flex elbow
50
Brachialis
Origin: humerus Insertion: ulnar tuberosity Action: flex elbow
51
Triceps Brachii
Origin: infraglenoid tubercule, humerus Insertion: olecranon Action: extend elbow
52
Pronator Teres
Origin: medial epicondyle of humerus (common flexor tendon) Insertion: radius Action: pronate forearm
53
Flexor Carpi Radialis
Origin: medial epicondyle of humerus (common flexor tendon) Insertion: metacarpals 2-3 Action: flex wrist, radial deviation
54
Flexor Carpi Ulnaris
Origin: medial epicondyle of humerus (common flexor tendon) Insertion: pisiform, hamate, metacarpal 5 Action: flex wrist, ulnar deviation
55
Palmaris Longus
Origin: medial epicondyle of humerus (common flexor tendon) Insertion: flexor retinaculum, palmar aponeurosis Action: flex wrist
56
Flexor Digitorum Superficialis
Origin: medial epicondyle of humerus (common flexor tendon) Insertion: sides of middle phalanges 2-5 Action: flex wrist & digits
57
Flexor Digitorum Profundus
Origin: Insertion: palmar surface distal phalanges 2-5 Action: flex wrists & digits
58
Extensor Carpi Radialis Longus
Origin: lateral epicondyle of humerus (common extensor tendon) Insertion: metacarpals 2-3 Action: extend wrist
59
Extensor Carpi Radialis Brevis
Origin: lateral epicondyle of humerus (common extensor tendon) Insertion: metacarpals 2-3 Action: extend wrist
60
Extensor Carpi Ulnaris
Origin: lateral epicondyle of humerus (common extensor tendon) Insertion: metacarpal 5 Action: extend wrist
61
Extensor Digitorum
Origin: lateral epicondyle of humerus (common extensor tendon) Insertion: extensor expansions digits 2-5 Action: extend wrist & digits
62
Extensor Digiti Minimi
Origin: lateral epicondyle of humerus (common extensor tendon) Insertion: extensor expansion digit 5 Action: extend digit 5
63
Extensor Pollicis Longus
Origin: Insertion: Action: extend thumb
64
Extensor Pollicis Brevis
Origin: Insertion: Action: extend thumb
65
ABductor Pollicis Longus
Origin: Insertion: Action: ABduct thumb
66
ABductor Pollicis Brevis
Origin: Insertion: Action: ABduct thumb
67
Palmaris Brevis
Origin: palmar aponeurosis Insertion: Action: tightens palmar aponeurosis
68
Psoas Major
Origin: transverse process T12-L5 Insertion: lesser trochanter Action: flex hip
69
Iliacus
Origin: iliac fossa Insertion: lesser trochanter Action: flex hip
70
Iliopsoas (psoas major + iliacus)
Origin: Insertion: lesser trochanter Action: flex hip
71
Pectineus
Origin: pubis Insertion: femur Action: flex, adduct, rotate hip
72
Gracilis
Origin: inferior pubic ramus Insertion: pes anserinus Action: flex, adduct, rotate hip; flex knee
73
Tensor Fasciae Latae (TFL)
Origin: anterior superior iliac spine Insertion: IT band Action: flex, ABduct, rotate hip
74
Sartorius
Origin: anterior superior iliac spine Insertion: pes anserinus Action: flex, ABduct, rotate hip; flex knee
75
Adductor Magnus
Origin: ischial tuberosity, inferior pubic ramus Insertion: linea aspera Action: flex & adduct hip, pelvis stabilization
76
Adductor Brevis
Origin: inferior pubic ramus Insertion: linea aspera Action: flex & adduct hip, pelvis stabilization
77
Adductor Longus
Origin: inferior pubic ramus Insertion: linea aspera Action: flex & adduct hip, pelvis stabilization
78
Rectus Femoris
Origin: anterior inferior iliac spine Insertion: tibial tuberosity Action: flex hip, extend knee
79
Vastus Lateralis
Origin: femur Insertion: tibial tuberosity Action: extend knee
80
Vastus Medialis
Origin: femur Insertion: tibial tuberosity Action: extend knee
81
Vastus Intermedius
Origin: femur Insertion: tibial tuberosity Action: extend knee
82
Biceps Femoris
Origin: ischial tuberosity, linea aspera Insertion: head of fibula Action: extend hip, flex knee
83
Semimembranosus
Origin: ischial tuberosity Insertion: medial condyle of tibia Action: extend hip, flex knee
84
Semitendinosus
Origin: ischial tuberosity Insertion: pes anserinus Action: extend hip, flex knee
85
Gluteus Maximus
Origin: iliac crest, sacrum Insertion: gluteal tuberosity, IT band Action: extend & rotate hip
86
Gluteus Medius
Origin: iliac crest Insertion: greater trochanter Action: ABduct & rotate hip, pelvis stabilization
87
Gluteus Minimus
Origin: ilium Insertion: greater trochanter Action: ABduct & rotate hip, pelvis stabilization
88
Gemellus Superior
Origin: Insertion: greater trochanter Action: extend & rotate hip
89
Gemellus Inferior
Origin: Insertion: greater trochanter Action: extend & rotate hip
90
Obturator Internus
Origin: Insertion: greater trochanter Action: extend & rotate hip
91
Piriformis
Origin: Insertion: greater trochanter Action: extend & rotate hip
92
Quadratus Femoris
Origin: Insertion: Action: rotate hip
93
Tibialis Anterior
Origin: lateral condyle of tibia Insertion: metatarsal 1, medial cuneiform Action: dorsiflex & invert foot
94
Fibularis Longus
Origin: fibula Insertion: metatarsal 1, medial cuneiform Action: plantar flex & evert foot
95
Fibularis Brevis
Origin: fibula Insertion: tuberosity of 5th metatarsal Action: plantar flex & evert foot
96
Fibularis Tertius
Origin: fibula Insertion: tuberosity of 5th metatarsal Action: plantar flex & evert foot
97
Extensor Digitorum Longus
Origin: lateral condyle of tibia, fibula Insertion: distal phalanges Action: extend toes
98
Gastrocnemius
Origin: medial & lateral epicondyles of femur Insertion: calcaneus Action: flex knee, plantar flex foot
99
Soleus
Origin: fibula Insertion: calcaneus Action: plantar flex foot
100
Plantaris
Origin: Insertion: Action: plantar flex foot
101
Tibialis Posterior
Origin: Insertion: Action: plantar flex & invert foot
102
Popliteus
Origin: Insertion: Action: unlock knee joint, knee stabilization
103
Flexor Digitorum Longus
Origin: tibia Insertion: distal phalanges Action: flex toes
104
Flexor Digitorum Brevis
Origin: calcaneus Insertion: middle phalanges Action: flex toes
105
Flexor Hallucis Longus
Origin: fibula Insertion: distal phalange 1 Action: flex great toe, plantar flex foot
106
Extensor Hallucis Longus
Origin: fibula Insertion: distal phalange 1 Action: extend great toe, dorsiflex foot
107
ABductor Hallucis
Origin: calcaneus Insertion: proximal phalange 1 Action: ABduct & flex great toe
108
Thyrohyoid
Origin: thyroid cartilage Insertion: hyoid Action: depress hyoid

Human Anatomy (6 decks)

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