Muscle Types and Key Muscles: Anatomy and Function

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/100

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

101 Terms

1
New cards

Skeletal Muscle

A type of muscle tissue that is striated and under voluntary control.

<p>A type of muscle tissue that is striated and under voluntary control.</p>
2
New cards

Cardiac Muscle

A type of muscle tissue that is striated, involuntary, and found only in the heart.

<p>A type of muscle tissue that is striated, involuntary, and found only in the heart.</p>
3
New cards

Smooth Muscle

A type of muscle tissue that is non-striated and involuntary, found in walls of hollow organs.

<p>A type of muscle tissue that is non-striated and involuntary, found in walls of hollow organs.</p>
4
New cards

Extraocular muscles

Muscles that control eye movement, including levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, lateral rectus, inferior oblique, and superior oblique.

<p>Muscles that control eye movement, including levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, lateral rectus, inferior oblique, and superior oblique.</p>
5
New cards

Masseter

A muscle of mastication that elevates the mandible.

<p>A muscle of mastication that elevates the mandible.</p>
6
New cards

Temporalis

A muscle that assists in closing the jaw.

<p>A muscle that assists in closing the jaw.</p>
7
New cards

Occipitofrontalis

A muscle consisting of the frontal and occipitalis muscles, involved in facial expression.

<p>A muscle consisting of the frontal and occipitalis muscles, involved in facial expression.</p>
8
New cards

Orbicularis oris

A circular muscle around the mouth that controls movements of the lips.

<p>A circular muscle around the mouth that controls movements of the lips.</p>
9
New cards

Buccinator

A muscle that compresses the cheek and helps in chewing.

<p>A muscle that compresses the cheek and helps in chewing.</p>
10
New cards

Zygomaticus minor

A muscle that elevates the upper lip.

<p>A muscle that elevates the upper lip.</p>
11
New cards

Zygomaticus major

A muscle that draws the angle of the mouth upward and backward.

<p>A muscle that draws the angle of the mouth upward and backward.</p>
12
New cards

Orbicularis oculi

A circular muscle around the eye that closes the eyelids.

<p>A circular muscle around the eye that closes the eyelids.</p>
13
New cards

Platysma

A superficial muscle that tenses the skin of the neck.

<p>A superficial muscle that tenses the skin of the neck.</p>
14
New cards

Sternocleidomastoid

A muscle that rotates and flexes the head.

<p>A muscle that rotates and flexes the head.</p>
15
New cards

Splenius capitis

A muscle that extends and rotates the head.

<p>A muscle that extends and rotates the head.</p>
16
New cards

Splenius cervicis

A muscle that extends and rotates the neck.

<p>A muscle that extends and rotates the neck.</p>
17
New cards

Scalene muscles

Muscles that elevate the first two ribs and assist in lateral neck flexion.

<p>Muscles that elevate the first two ribs and assist in lateral neck flexion.</p>
18
New cards

Pectoralis major

A large muscle in the chest that adducts and medially rotates the arm.

<p>A large muscle in the chest that adducts and medially rotates the arm.</p>
19
New cards

Pectoralis minor

A muscle that stabilizes the scapula by drawing it inferiorly and anteriorly.

<p>A muscle that stabilizes the scapula by drawing it inferiorly and anteriorly.</p>
20
New cards

Serratus anterior

A muscle that protracts and stabilizes the scapula.

<p>A muscle that protracts and stabilizes the scapula.</p>
21
New cards

Rectus abdominis

A muscle that flexes the vertebral column.

<p>A muscle that flexes the vertebral column.</p>
22
New cards

External abdominal oblique

A muscle that compresses the abdomen and rotates the trunk.

<p>A muscle that compresses the abdomen and rotates the trunk.</p>
23
New cards

Internal abdominal oblique

A muscle that compresses the abdomen and aids in trunk rotation.

<p>A muscle that compresses the abdomen and aids in trunk rotation.</p>
24
New cards

Transverse abdominis

A muscle that compresses the abdominal contents.

<p>A muscle that compresses the abdominal contents.</p>
25
New cards

Linea Alba

A fibrous structure that runs down the midline of the abdomen.

<p>A fibrous structure that runs down the midline of the abdomen.</p>
26
New cards

Rectus Sheath

A fibrous sheath that encloses the rectus abdominis muscle.

<p>A fibrous sheath that encloses the rectus abdominis muscle.</p>
27
New cards

Trapezius

A muscle that moves the scapula and extends the neck.

<p>A muscle that moves the scapula and extends the neck.</p>
28
New cards

Latissimus dorsi

A large muscle of the back that extends, adducts, and medially rotates the arm.

<p>A large muscle of the back that extends, adducts, and medially rotates the arm.</p>
29
New cards

Deltoid

A muscle that abducts the arm.

<p>A muscle that abducts the arm.</p>
30
New cards

Levator scapulae

A muscle that elevates the scapula.

<p>A muscle that elevates the scapula.</p>
31
New cards

Rhomboid major

A muscle that retracts the scapula.

<p>A muscle that retracts the scapula.</p>
32
New cards

Rhomboid minor

A muscle that retracts the scapula and elevates it.

<p>A muscle that retracts the scapula and elevates it.</p>
33
New cards

Serratus posterior

A muscle that assists in respiration.

<p>A muscle that assists in respiration.</p>
34
New cards

Teres minor

A muscle that laterally rotates the arm.

<p>A muscle that laterally rotates the arm.</p>
35
New cards

Teres major

A muscle that medially rotates and adducts the arm.

<p>A muscle that medially rotates and adducts the arm.</p>
36
New cards

Supraspinatus

A muscle that initiates arm abduction.

<p>A muscle that initiates arm abduction.</p>
37
New cards

Infraspinatus

A muscle that laterally rotates the arm.

<p>A muscle that laterally rotates the arm.</p>
38
New cards

Subscapularis

A muscle that medially rotates the arm.

<p>A muscle that medially rotates the arm.</p>
39
New cards

Gluteus maximus

The largest muscle in the buttocks that extends and laterally rotates the hip.

<p>The largest muscle in the buttocks that extends and laterally rotates the hip.</p>
40
New cards

Gluteus medius

A muscle that abducts and medially rotates the hip.

<p>A muscle that abducts and medially rotates the hip.</p>
41
New cards

Tensor fascia latae

A muscle that helps stabilize the hip and knee.

<p>A muscle that helps stabilize the hip and knee.</p>
42
New cards

Iliotibial tract

A band of fibrous tissue that runs along the outside of the thigh.

<p>A band of fibrous tissue that runs along the outside of the thigh.</p>
43
New cards

Pectineus

A muscle that adducts and flexes the thigh.

<p>A muscle that adducts and flexes the thigh.</p>
44
New cards

Adductor longus

A muscle that adducts the thigh.

<p>A muscle that adducts the thigh.</p>
45
New cards

Sartorius

The longest muscle in the body that flexes, abducts, and laterally rotates the thigh.

<p>The longest muscle in the body that flexes, abducts, and laterally rotates the thigh.</p>
46
New cards

Quadriceps femoris group

A group of muscles that extends the knee, including vastus lateralis, vastus medialis, rectus femoris, and vastus intermedius.

<p>A group of muscles that extends the knee, including vastus lateralis, vastus medialis, rectus femoris, and vastus intermedius.</p>
47
New cards

Gracilis

A muscle that adducts the thigh and flexes the knee.

<p>A muscle that adducts the thigh and flexes the knee.</p>
48
New cards

Hamstrings

A group of muscles that flex the knee, including biceps femoris, semitendinosus, and semimembranosus.

<p>A group of muscles that flex the knee, including biceps femoris, semitendinosus, and semimembranosus.</p>
49
New cards

Adductor magnus

A large muscle that adducts the thigh.

<p>A large muscle that adducts the thigh.</p>
50
New cards

Tibialis anterior

A muscle that dorsiflexes and inverts the foot.

<p>A muscle that dorsiflexes and inverts the foot.</p>
51
New cards

Extensor digitorum longus

A muscle that extends the toes.

<p>A muscle that extends the toes.</p>
52
New cards

Flexor digitorum longus

A muscle that flexes the toes.

<p>A muscle that flexes the toes.</p>
53
New cards

Fibularis longus

A muscle that everts and plantarflexes the foot.

<p>A muscle that everts and plantarflexes the foot.</p>
54
New cards

Fibularis brevis

A muscle that everts the foot.

<p>A muscle that everts the foot.</p>
55
New cards

Gastrocnemius

A muscle that plantarflexes the foot and flexes the knee.

<p>A muscle that plantarflexes the foot and flexes the knee.</p>
56
New cards

Soleus

A muscle that plantarflexes the foot.

<p>A muscle that plantarflexes the foot.</p>
57
New cards

Abductor digiti minimi

A muscle that abducts the little toe.

<p>A muscle that abducts the little toe.</p>
58
New cards

Abductor hallucis

A muscle that abducts the big toe.

<p>A muscle that abducts the big toe.</p>
59
New cards

Flexor digitorum brevis

A muscle that flexes the toes.

<p>A muscle that flexes the toes.</p>
60
New cards

Biceps brachii

A muscle that flexes the elbow and supinates the forearm.

<p>A muscle that flexes the elbow and supinates the forearm.</p>
61
New cards

Brachialis

A muscle that flexes the elbow.

<p>A muscle that flexes the elbow.</p>
62
New cards

Coracobrachialis

A muscle that flexes and adducts the arm.

<p>A muscle that flexes and adducts the arm.</p>
63
New cards

Brachioradialis

A muscle that flexes the forearm.

<p>A muscle that flexes the forearm.</p>
64
New cards

Triceps brachii

A muscle that extends the elbow.

<p>A muscle that extends the elbow.</p>
65
New cards

Extensor carpi radialis

A muscle that extends and abducts the wrist.

<p>A muscle that extends and abducts the wrist.</p>
66
New cards

Extensor digitorum

A muscle that extends the fingers.

<p>A muscle that extends the fingers.</p>
67
New cards

Extensor digiti minimi

A muscle that extends the little finger.

<p>A muscle that extends the little finger.</p>
68
New cards

Extensor carpi ulnaris

A muscle that extends and adducts the wrist.

<p>A muscle that extends and adducts the wrist.</p>
69
New cards

Anconeus

A muscle that assists in elbow extension.

<p>A muscle that assists in elbow extension.</p>
70
New cards

Supinator

A muscle that supinates the forearm.

<p>A muscle that supinates the forearm.</p>
71
New cards

Abductor pollicis longus

A muscle that abducts the thumb.

<p>A muscle that abducts the thumb.</p>
72
New cards

Extensor pollicis longus

A muscle that extends the thumb.

<p>A muscle that extends the thumb.</p>
73
New cards

Extensor pollicis brevis

A muscle that extends the proximal phalanx of the thumb.

<p>A muscle that extends the proximal phalanx of the thumb.</p>
74
New cards

Extensor indicis

A muscle that extends the index finger.

<p>A muscle that extends the index finger.</p>
75
New cards

Flexor carpi ulnaris

A muscle that flexes and adducts the wrist.

<p>A muscle that flexes and adducts the wrist.</p>
76
New cards

Flexor carpi radialis

A muscle that flexes and abducts the wrist.

<p>A muscle that flexes and abducts the wrist.</p>
77
New cards

Pronator teres

A muscle that pronates the forearm.

<p>A muscle that pronates the forearm.</p>
78
New cards

Palmaris longus

A muscle that flexes the wrist.

<p>A muscle that flexes the wrist.</p>
79
New cards

Flexor digitorum profundus

A muscle that flexes the distal phalanges of the fingers.

<p>A muscle that flexes the distal phalanges of the fingers.</p>
80
New cards

Flexor pollicis longus

A muscle that flexes the thumb.

<p>A muscle that flexes the thumb.</p>
81
New cards

Sternocleidomastoid Origin

Sternum and Clavicle

<p>Sternum and Clavicle</p>
82
New cards

Sternocleidomastoid Insertion

Mastoid Process of Temporal Bone

<p>Mastoid Process of Temporal Bone</p>
83
New cards

Pectoralis Major Origin

Sternum and Clavicle

<p>Sternum and Clavicle</p>
84
New cards

Pectoralis Major Insertion

Greater Tubercle of Humerus

<p>Greater Tubercle of Humerus</p>
85
New cards

Pectoralis Minor Origin

Ribs 3-5

<p>Ribs 3-5</p>
86
New cards

Pectoralis Minor Insertion

Coracoid Process of Scapula

<p>Coracoid Process of Scapula</p>
87
New cards

Deltoid Origin

Clavicle, Acromion Process, Spine of Scapula

<p>Clavicle, Acromion Process, Spine of Scapula</p>
88
New cards

Deltoid Insertion

Deltoid Tuberosity

<p>Deltoid Tuberosity</p>
89
New cards

Latissimus Dorsi Origin

T7-L5 vertebrae, Sacrum and Iliac Crest

<p>T7-L5 vertebrae, Sacrum and Iliac Crest</p>
90
New cards

Latissimus Dorsi Insertion

Intertubercular Groove of Humerus

<p>Intertubercular Groove of Humerus</p>
91
New cards

Biceps Brachii Long Head Origin

Glenoid Tuberosity

<p>Glenoid Tuberosity</p>
92
New cards

Biceps Brachii Short Head Origin

Coracoid Process of Scapula

<p>Coracoid Process of Scapula</p>
93
New cards

Biceps Brachii Insertion

Radial Tuberosity

<p>Radial Tuberosity</p>
94
New cards

Supraspinatus Origin

Supraspinous Fossa of Scapula

<p>Supraspinous Fossa of Scapula</p>
95
New cards

Supraspinatus Insertion

Greater Tubercle of Humerus

<p>Greater Tubercle of Humerus</p>
96
New cards

Infraspinatus Origin

Infraspinous Fossa of Scapula

<p>Infraspinous Fossa of Scapula</p>
97
New cards

Infraspinatus Insertion

Greater Tubercle of Humerus

<p>Greater Tubercle of Humerus</p>
98
New cards

Gastrocnemius Origin

Medial and lateral condyle of the femur

<p>Medial and lateral condyle of the femur</p>
99
New cards

Gastrocnemius Insertion

Calcaneus

<p>Calcaneus</p>
100
New cards

Rectus abdominis Origin

Pubic crest and pubic symphysis

<p>Pubic crest and pubic symphysis</p>