Muscle Origin Insertion and Action Flashcards

1
Q

Frontal Belly (Of Epicranius)

A
  • O) Epicranial Aponeurosis (Tedon on top of head)
  • I) Skin of Eyebrow/ Bridge of the nose
  • A) Raises eyebrows, wrinkles forhead
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2
Q

Occipital Belly (of Epicranius)

A
  • O) Occipital and Temproal Bones
  • I) Epicranial Aponeurosis (tendon on head)
  • A) Pull scalp posteriorly
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3
Q

Corrugator Supercilli (Face)

A
  • O) Frontal Bone (above nasal bones)
  • I) Skin of eyebrow
  • A) Draws eyebrows together.
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4
Q

Obicularis Oculi (Face)

A
  • O) Frontal and Maxillary bones and ligaments around orbit.
  • I) Tissue of Eyelid
  • Action) Closes Eyelids (holds them
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5
Q

Zygimaticus Major and Minor

A
  • O) Zygomatic Bone
  • I) Corner of the Mouth
  • A) Raises lateral corners of mouth (Smiling)
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6
Q

Risorius (A) (Face)

A

A) Draws corner of lip laterally, Tenses lips (Grimicing)

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7
Q

Levator labii superioris (A) (Face)

A
  • A) Opens Lips/ Raises Upper Lip
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8
Q

Depressor Labii Inferioris (A) (Face)

A
  • A) Depresses lower Lip
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9
Q

Orbicularis Oris (A)

A
  • A) Closes lips, (whistling and kissing)
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10
Q

Metalis (A)

A
  • A) Wrinkels Chin/ Protrudes lower Lip
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11
Q

Buccinator

A
  • O) Molar Region of Maxilla and Mandible
  • I) Orbicularis Oris
  • A) Compresses Cheek (whistling, Sucking)
    • holds foods between teeth
    • draws corner of mouth laterally.
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12
Q

Platysma

A
  • O) Fascia of Chest (Over pectoral muscle and deltiod)(external muscle)
  • I) Mandbile and corner of the mouth
  • A) Tenses skin of neck/ Depresses mandible and lip
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13
Q

Masseter

A
  • O) Zygomatic Bone
  • I) Ramus of the Mandible
  • Z) Elevates Mandible (Closes Jaw)
    • Primary Mover
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14
Q

Temporalis

A
  • O) Temporal Bone
  • I) Coronid Process of the mandible
  • A) Elevates and Retracts Mandible
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15
Q

Pterygoids

A
  • O) Ptergoid Process of Sephnoid Bone
  • I) Mandible)
  • A) Side-to-side Chewing
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16
Q

Genioglossus (A)

A
  • Protracts tounge
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17
Q

Hypoglossus (A)

A
  • depresses tounge
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18
Q

styloglossus

A
  • retracts and elevates tounge
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19
Q

Stylohyohoid (A)

A
  • elevate and retracts hyoid
    • Elongates floor of mouth during swallowing.
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20
Q

Mylohyoid (A)

A
  • Elevates hyoid bone and floor of mouth
    • Enabels tounge to exert upward/backward pressure that forces food into the pharynx
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21
Q

Geniohyoid (A)

A
  • Pulls hyoid bone superiorly and anteriorly
    • Shortens floor of mouth and widens pharynx to receive food.
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22
Q

Depressor labii inferioris (A)

A
  • Depresses lower lip inferiorly
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23
Q

Sternocleidomastoid

A
  • Origin) Manibrum of Sternum and Medial Clavicle
  • Insertion) Mastoid process
  • Action) Flexes and Laterally rotates head
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24
Q

Scalene’s

A
  • Origin) Transverse Process (cervical vertebrae)
  • Insertion) Ribs 1-2
  • Action) Elevates first two ribs
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25
Q

Splenius

A
  • O) Ligamentum Nuchae and Spinous process’ C7-T6
  • I) Mastoid Process (temporal bone) and occipital bone; transverse process of C2-C4
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26
Q

Erector Spineae Group (A)

A
  • Prime Mover of Back Extension
  • Extens and laterally flex verterbacial collum
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27
Q

Quadratus Lumborum

A
  • O) Illiac Crest
  • I) Tranvrese process of lumbar vertebrae.
  • A) Laterally flex vertebrecal collum
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28
Q

External Intercostals

A
  • O) Inferior Border of superior rib
  • I) Superior border of inferior rib
  • A) Elevates rib cage (Ihilation)
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29
Q

Internal intrercostals

A
  • O) Superior Border of Inferior Rib
  • I) Inferior border of Superior Rib
  • A) Depresses Rib Cage (for Expiration)
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30
Q

Diaphragm

A
  • O) Inferior, Internal Surface of rib cage (last 6 ribs)
  • I) Central Tendon (of Diaphragm)
  • A) Prime mover of respriation
    • Contract to inhale
    • Relax to exhale
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31
Q

Rectus Abdominus

A
  • O) Pubic Crest/ Synapysis
  • I) Xyphliod process and cartlidge of ribs 5-7
  • A) Flex Spine. Increase abdominal pressure
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32
Q

External Oblique

A
  • O) Ribs 5-12
  • I) Linea alba (midline) and illiac crest
  • A) Rotates Trunk, Lateral Flexion
    • Both together will synergize with rectus abdominus (flex spine and increase abdominal pressure)
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33
Q

Internal Oblique

A
  • O) Lumbar Fascia (back), Illiac Crest (posterior)
  • I) Libea alba (midline) and pubic creast, ribs 9-12, and costal margin
  • Rotates Trunk, Lateral Flextion
    • Both together will synergize with rectus abdominus (flex spine and increase abdominal pressure)
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34
Q

Transverse Abdominis

A
  • O) Lumbar Fascia, Illiac Crest, Costal cartlidges 6-12
  • I) Line abla and pubic crest
  • A) Compresses abdomen
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35
Q

Pectoralis Minor

A
  • O) Ribs 3-5
  • I) Coracoid process of scapula
  • A) Draws scapula forward and downward. Elevated ribs
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36
Q

Serratus Anterior

A
  • O) Ribs 1-8
  • I) Vertical boarder of scapula
  • A) Rotates Scapula so it moves more ventrally.
    • Boxers muscle) pushes arm forward.
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37
Q

Levator Scapulea

A
  • O) Transverse Processes of C1-C4
  • I) Medial border of Scapula
  • A) Elevates Scapula.
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38
Q

Rhomboid Major

A
  • O) Spinous processes of T2-T5
  • I) Medial Border of Scapula
  • A) Adducts Scapula (rotates it back)
39
Q

Rhomboid Minor

A
  • O) Spinous Process of C7 and T1
  • I) Medial border of the scapula
  • A) Adduct Scapula (rotate backwards)
40
Q

Tapezious (traps)

A
  • O) Occipital Bone
  • I) Scapula and Lateral Clavicle
  • A) Stabilizes, elevates, retracts and rotates scapula
41
Q

Pectoralis Major

A
  • O) Sternum, Cartlidge of ribs 1-6
    • Also sternal end of the clavicle
  • I) Humerus) Intertubacular sulcus and greater tubercle
  • A) Adducts and medialy rotates arm
42
Q

Deltiod Muscle

A
  • O) Clavicle, Acromian of Scapula
  • I) Deltoid Tuberosity of Humerus
  • A) Abduct Arm
    • Anterior Fibers) Flex and Rotate arm medially
    • Posterior Fibers) Extension and lateral rotation of arm
43
Q

Lattisumis Dorsi

A
  • O) Ribs 8-12, Spines of Thoracic and Lumbar Vertebrae, Illiac Crest, Inferior angle of scapula
  • I) Intertubcular Sulcus of Humerus
  • A) Prime Mover of Arm Extension
    • Medial Rotation of Arm and Shoulder
    • Lowers arm in powerstroke
    • When arms are overhead it initiates the pullup action.
44
Q

Subscapularis

A
  • O) Subscapular fossa of the Scapula
  • I) Lesser Tiubercle of the Humerus
  • A)
45
Q

Infraspinatous

A
  • O) Infraspinous fossa of scapula.
  • I) Greater Tubercle of the Humerus
  • A) Rotate Arm Laterally. Stabilizes shoulder joint
    • Holds head of humerus in place
46
Q

Supraspinatous

A
  • O) Spuraspinous Fossa of Scapula
  • I) Greater Tubercle of Humerus
  • A) Iniatiate Abductin of Arm. Stabilizes shoulder joint
    • prevents downward dislocation.
47
Q

Teres minor

A
  • O) Lateral Border of the Scapula
  • I) Greater tubercle of the humerus
  • A) Rotate Arm Laterally. Stabilizes shoulder joint
    • Holds head of humerus in place
48
Q

Teres Major

A
  • O) Inferior Angle of Scapula
  • I) Intertububcular sulcus of humerus
  • A) Extends, Medialy rotates (back to front) and abducts arm
49
Q

Coracobrachialis

A
  • O) Coracoid process of scapula
  • I) Humerus
  • A) Flexes and Adducts (down) arm
    • Synergist of Pec. Major
50
Q

Triceps Brachii

A
  • O) Infraglenoid tubrercle of scapula and humerus.
  • I) Olecranon process of ulna
  • A) Powerful forarm extender
51
Q

Anconeus

A
  • O) Lateral epicondyle of hymerus
  • I) Olecranon process of ulna
  • A) Elbow extenson (triceps synergist)
52
Q

Biceps Brachaii

A
  • O) Coracoid Process and supraglenoid tubercle
  • I) Radial Tuberosity
  • A) Forarm flexion and supination
53
Q

Brachialis

A
  • O) Distal Humerus
  • I) Coracoid process
  • a) major forarm flexor
54
Q

Bracochoradialis

A
  • O) Distal Humerus
  • I) Styloid Process of Radius
  • A) Forarm Flexor, Stabilizes elbow.
55
Q

Flexor Carpi Radialis

A
  • O) Medial Epicondyle of humerus
  • I) Metacarpals 2-3
  • A) Flex and abductor of hand
56
Q

Palmaris Longus

A
  • O) Medial Epicondyle of humerus
  • I) Palmer apenuerosis
  • A) Flex wrist
57
Q

Flexor Carpi Ulnaris

A
  • O)Medial epicondyle of humerus
  • I) Pisiform and Hamate (medial) bones
  • A) Flex and ADDucts hands
58
Q

Flexor Digatorum Superficialis

A
  • A) Flexes wrist and fingers
59
Q

Flexor Policis Longus (A)

A
  • Flex thumb
60
Q

Flexor Digatorium Profundus

A
  • Flex fingers and wrist
61
Q

Extensor Carpi Radialis longus

A
  • O)lateral supracondylar ridge of the humerous
  • I) Metacarpal 2
  • A) Extennd and Abduct hand
62
Q

Extensor Carpi Radialis Brevis

A
  • O) Lateral epicondyle of humerus
  • I) Metacarpal 3
  • A) Extend and Abduct hand
63
Q

Extensor Digitorium (A)

A
  • Extends wrist and fingers
64
Q

Extensor Carpi Ulnaris

A
  • O) Lateral epicondyle of humerus
  • I) Metacarpal 5
  • A) Extends and Adducts hand
65
Q

Supinator (A)

A
  • Supinates Forarm
66
Q

Pronator Quadratus (A)

A
  • A) Pronates forearm
67
Q

Abductor Pollicis Longus (A)

A
  • A) Abducts and Extend thumb
68
Q

Extensor Pollicis Brevis and Longus (A)

A
  • A) extends thumb
69
Q

Iliopsoas (Illicus and Psoas Major)

A
  • O)
    • Illiacus) Illiac Fossa
    • Psoas Major) T12-L5 Transverse processes
  • I) Lesser trochanter of Femur (ilioposas tendon)
  • A) Flex thigh (pull trunk down)
70
Q

Sartorious

A
  • O) Anterior-Superior Illiac Spine
  • I) medial tibia (goes across)
  • A) flex the knee
    • abduct and lateraly rotate thigh
71
Q

Abductor Magnus

A
  • O) Ishial and Pubic Rami (ramus) and Ischial Tuberosity
  • I) Linea Aspera of Femur
  • A) Adducts, flexs and medialy rotates thigh
72
Q

Abductor Longus

A
  • O) Pubis near Pubic synaoysis
  • I) Linea Asprea
  • A) Adductsm flex, and medially rotate thigh
73
Q

Gracilis

A
  • O) Inferior Ramus of Pubis
  • I) Medial, Proximal Tibia
  • A) Adduct thigh, Flex and medially rotate leg
    • used during walking.
74
Q

Rectus Femoris

A
  • O) Anterior Inferior Illic Spine and superior margin of acebellum
  • I) Patella and Tibial Tuberosity via patellar ligament
  • A) Extend Leg, Flex thigh at hip.
75
Q

Vastus Lateralis

A
  • O) Femur, Linea Asprea
  • I) Patella and Tibial Tuberosity via patellar ligament
  • A) Extend and stabilixe leg
76
Q

Vastus medialus

A
  • O) Linea Asprea
  • I) Patella and Tibial Tuberosity via patellar ligament
  • A) Extend Leg
77
Q

Vastus Intermediate

A
  • O) Femur
  • I) Patella and Tibial Tuberosity via patellar ligament
  • A) Extend leg
78
Q

Tensor Fascia Lata

A
  • O) Iliac Crest, Anterior superior illiac spine
  • I) Illiotibial Tract
  • A) Flex, Abduct, and rotate thigh medially.
79
Q

Gluteus Maximus

A
  • O) Dorsal Illium, Sacrum and Coxyx
  • I) Gluteal Tuberosity, Iliotibial Tract
  • A) Major extensor of thigh
    • Laterally rotates and abducts thigh
80
Q

Gluteus medius

A
  • O) Illium
  • I) Greater throchanter of femur
  • A) Abducts and Medially rotates thigh
81
Q

Gluteus minimus

A
  • O) Illium
  • I) Greater throchanter of femur
  • A) Abducts and Medially rotates thigh
82
Q

Biceps Femoris

A
  • O) Ischial Tuberosity, Linea Asprea
  • I) Lateral Condyle of Tibia, Fibula head
  • A) Extends thigh and flexs leg
83
Q

Semitendoniosis

A
  • O) Ischial Tuberoisy
  • I) Proximal, Medial Tibia
  • A) Extend Thigh and Flex Leg
84
Q

Semimembranosus

A
  • O) ishial tuberosity
  • I) Medial Condyle of Tibia
  • A) Extend Thigh and Flex Leg
85
Q

Tibalis Anterior

A
  • O) Lateral Condyle, Proximal Tibia, and Interosseous membrane
  • I) Medial Cuneiform and Metatarsal 1
  • A) Prime mover of Dorsiflexion.
86
Q

Extensor Digatorium Longus (A)

A
  • A) Extends toes 2-5, dorsiflexes foot
87
Q

Extensor Hallucis Longus (A)

A
  • A) Extends hallux, dorsifelxes foot.
88
Q

Fibularis (peroneus) Longus

A
  • O) Head and upper portion of lateral fubual
  • I) Medial Cunifrom and Metatarasal 1 (underneath)
  • A) Planter flex and evert foot.
89
Q

Fibularis (peroneus) Brevis

A
  • O) Distal Fibula
  • I) Proximal Metatarsal 5
  • A) Planterflexes and everts foot.
90
Q

Gastrocnemius

A
  • O) Femural Condyles
  • I) Calcaneus Via Calcaneal Tendon
  • A) Planterflex foot and flex knee
91
Q

Soleus (Fish)

A
  • O) Superior Tibia and Fibula. Interosseus membrane
  • I) Calcaneus via calcaneal tendon.
  • A) Planterflex foot.
92
Q

Flexor Digitorium Longus (A)

A
  • A) Flex toes
93
Q

Flexor Hallucis Longus (A)

A
  • A) Flex Great Toe
94
Q

Tibialis Posterior

A
  • O) Superior Tibia and Fibula and Interossus membrane
  • I) Tarsals and metatarasals
  • A) Inverts foot and planteflex