Muscle Origin Insertion and Action Flashcards
(94 cards)
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
2
Q
Occipital Belly (of Epicranius)
A
- O) Occipital and Temproal Bones
- I) Epicranial Aponeurosis (tendon on head)
- A) Pull scalp posteriorly
3
Q
Corrugator Supercilli (Face)
A
- O) Frontal Bone (above nasal bones)
- I) Skin of eyebrow
- A) Draws eyebrows together.
4
Q
Obicularis Oculi (Face)
A
- O) Frontal and Maxillary bones and ligaments around orbit.
- I) Tissue of Eyelid
- Action) Closes Eyelids (holds them
5
Q
Zygimaticus Major and Minor
A
- O) Zygomatic Bone
- I) Corner of the Mouth
- A) Raises lateral corners of mouth (Smiling)
6
Q
Risorius (A) (Face)
A
A) Draws corner of lip laterally, Tenses lips (Grimicing)
7
Q
Levator labii superioris (A) (Face)
A
- A) Opens Lips/ Raises Upper Lip
8
Q
Depressor Labii Inferioris (A) (Face)
A
- A) Depresses lower Lip
9
Q
Orbicularis Oris (A)
A
- A) Closes lips, (whistling and kissing)
10
Q
Metalis (A)
A
- A) Wrinkels Chin/ Protrudes lower Lip
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.
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
13
Q
Masseter
A
- O) Zygomatic Bone
- I) Ramus of the Mandible
- Z) Elevates Mandible (Closes Jaw)
- Primary Mover
14
Q
Temporalis
A
- O) Temporal Bone
- I) Coronid Process of the mandible
- A) Elevates and Retracts Mandible
15
Q
Pterygoids
A
- O) Ptergoid Process of Sephnoid Bone
- I) Mandible)
- A) Side-to-side Chewing
16
Q
Genioglossus (A)
A
- Protracts tounge
17
Q
Hypoglossus (A)
A
- depresses tounge
18
Q
styloglossus
A
- retracts and elevates tounge
19
Q
Stylohyohoid (A)
A
- elevate and retracts hyoid
- Elongates floor of mouth during swallowing.
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
21
Q
Geniohyoid (A)
A
- Pulls hyoid bone superiorly and anteriorly
- Shortens floor of mouth and widens pharynx to receive food.
22
Q
Depressor labii inferioris (A)
A
- Depresses lower lip inferiorly
23
Q
Sternocleidomastoid
A
- Origin) Manibrum of Sternum and Medial Clavicle
- Insertion) Mastoid process
- Action) Flexes and Laterally rotates head
24
Q
Scalene’s
A
- Origin) Transverse Process (cervical vertebrae)
- Insertion) Ribs 1-2
- Action) Elevates first two ribs
25
Splenius
* O) Ligamentum Nuchae and Spinous process' C7-T6
* I) Mastoid Process (temporal bone) and occipital bone; transverse process of C2-C4
26
Erector Spineae Group (A)
* Prime Mover of Back Extension
* Extens and laterally flex verterbacial collum
27
Quadratus Lumborum
* O) Illiac Crest
* I) Tranvrese process of lumbar vertebrae.
* A) Laterally flex vertebrecal collum
28
External Intercostals
* O) Inferior Border of superior rib
* I) Superior border of inferior rib
* A) Elevates rib cage (Ihilation)
29
Internal intrercostals
* O) Superior Border of Inferior Rib
* I) Inferior border of Superior Rib
* A) Depresses Rib Cage (for Expiration)
30
Diaphragm
* 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
31
Rectus Abdominus
* O) Pubic Crest/ Synapysis
* I) Xyphliod process and cartlidge of ribs 5-7
* A) Flex Spine. Increase abdominal pressure
32
External Oblique
* 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)
33
Internal Oblique
* 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)
34
Transverse Abdominis
* O) Lumbar Fascia, Illiac Crest, Costal cartlidges 6-12
* I) Line abla and pubic crest
* A) Compresses abdomen
35
Pectoralis Minor
* O) Ribs 3-5
* I) Coracoid process of scapula
* A) Draws scapula forward and downward. Elevated ribs
36
Serratus Anterior
* O) Ribs 1-8
* I) Vertical boarder of scapula
* A) Rotates Scapula so it moves more ventrally.
* Boxers muscle) pushes arm forward.
37
Levator Scapulea
* O) Transverse Processes of C1-C4
* I) Medial border of Scapula
* A) Elevates Scapula.
38
Rhomboid Major
* O) Spinous processes of T2-T5
* I) Medial Border of Scapula
* A) Adducts Scapula (rotates it back)
39
Rhomboid Minor
* O) Spinous Process of C7 and T1
* I) Medial border of the scapula
* A) Adduct Scapula (rotate backwards)
40
Tapezious (traps)
* O) Occipital Bone
* I) Scapula and Lateral Clavicle
* A) Stabilizes, elevates, retracts and rotates scapula
41
Pectoralis Major
* 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
Deltiod Muscle
* 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
Lattisumis Dorsi
* 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
Subscapularis
* O) Subscapular fossa of the Scapula
* I) Lesser Tiubercle of the Humerus
* A)
45
Infraspinatous
* 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
Supraspinatous
* O) Spuraspinous Fossa of Scapula
* I) Greater Tubercle of Humerus
* A) Iniatiate Abductin of Arm. Stabilizes shoulder joint
* prevents downward dislocation.
47
Teres minor
* 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
Teres Major
* O) Inferior Angle of Scapula
* I) Intertububcular sulcus of humerus
* A) Extends, Medialy rotates (back to front) and abducts arm
49
Coracobrachialis
* O) Coracoid process of scapula
* I) Humerus
* A) Flexes and Adducts (down) arm
* Synergist of Pec. Major
50
Triceps Brachii
* O) Infraglenoid tubrercle of scapula and humerus.
* I) Olecranon process of ulna
* A) Powerful forarm extender
51
Anconeus
* O) Lateral epicondyle of hymerus
* I) Olecranon process of ulna
* A) Elbow extenson (triceps synergist)
52
Biceps Brachaii
* O) Coracoid Process and supraglenoid tubercle
* I) Radial Tuberosity
* A) Forarm flexion and supination
53
Brachialis
* O) Distal Humerus
* I) Coracoid process
* a) major forarm flexor
54
Bracochoradialis
* O) Distal Humerus
* I) Styloid Process of Radius
* A) Forarm Flexor, Stabilizes elbow.
55
Flexor Carpi Radialis
* O) Medial Epicondyle of humerus
* I) Metacarpals 2-3
* A) Flex and abductor of hand
56
Palmaris Longus
* O) Medial Epicondyle of humerus
* I) Palmer apenuerosis
* A) Flex wrist
57
Flexor Carpi Ulnaris
* O)Medial epicondyle of humerus
* I) Pisiform and Hamate (medial) bones
* A) Flex and ADDucts hands
58
Flexor Digatorum Superficialis
* A) Flexes wrist and fingers
59
Flexor Policis Longus (A)
* Flex thumb
60
Flexor Digatorium Profundus
* Flex fingers and wrist
61
Extensor Carpi Radialis longus
* O)lateral supracondylar ridge of the humerous
* I) Metacarpal 2
* A) Extennd and Abduct hand
62
Extensor Carpi Radialis Brevis
* O) Lateral epicondyle of humerus
* I) Metacarpal 3
* A) Extend and Abduct hand
63
Extensor Digitorium (A)
* Extends wrist and fingers
64
Extensor Carpi Ulnaris
* O) Lateral epicondyle of humerus
* I) Metacarpal 5
* A) Extends and Adducts hand
65
Supinator (A)
* Supinates Forarm
66
Pronator Quadratus (A)
* A) Pronates forearm
67
Abductor Pollicis Longus (A)
* A) Abducts and Extend thumb
68
Extensor Pollicis Brevis and Longus (A)
* A) extends thumb
69
Iliopsoas (Illicus and Psoas Major)
* O)
* Illiacus) Illiac Fossa
* Psoas Major) T12-L5 Transverse processes
* I) Lesser trochanter of Femur (ilioposas tendon)
* A) Flex thigh (pull trunk down)
70
Sartorious
* O) Anterior-Superior Illiac Spine
* I) medial tibia (goes across)
* A) flex the knee
* abduct and lateraly rotate thigh
71
Abductor Magnus
* O) Ishial and Pubic Rami (ramus) and Ischial Tuberosity
* I) Linea Aspera of Femur
* A) Adducts, flexs and medialy rotates thigh
72
Abductor Longus
* O) Pubis near Pubic synaoysis
* I) Linea Asprea
* A) Adductsm flex, and medially rotate thigh
73
Gracilis
* O) Inferior Ramus of Pubis
* I) Medial, Proximal Tibia
* A) Adduct thigh, Flex and medially rotate leg
* used during walking.
74
Rectus Femoris
* 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
Vastus Lateralis
* O) Femur, Linea Asprea
* I) Patella and Tibial Tuberosity via patellar ligament
* A) Extend and stabilixe leg
76
Vastus medialus
* O) Linea Asprea
* I) Patella and Tibial Tuberosity via patellar ligament
* A) Extend Leg
77
Vastus Intermediate
* O) Femur
* I) Patella and Tibial Tuberosity via patellar ligament
* A) Extend leg
78
Tensor Fascia Lata
* O) Iliac Crest, Anterior superior illiac spine
* I) Illiotibial Tract
* A) Flex, Abduct, and rotate thigh medially.
79
Gluteus Maximus
* O) Dorsal Illium, Sacrum and Coxyx
* I) Gluteal Tuberosity, Iliotibial Tract
* A) Major extensor of thigh
* Laterally rotates and abducts thigh
80
Gluteus medius
* O) Illium
* I) Greater throchanter of femur
* A) Abducts and Medially rotates thigh
81
Gluteus minimus
* O) Illium
* I) Greater throchanter of femur
* A) Abducts and Medially rotates thigh
82
Biceps Femoris
* O) Ischial Tuberosity, Linea Asprea
* I) Lateral Condyle of Tibia, Fibula head
* A) Extends thigh and flexs leg
83
Semitendoniosis
* O) Ischial Tuberoisy
* I) Proximal, Medial Tibia
* A) Extend Thigh and Flex Leg
84
Semimembranosus
* O) ishial tuberosity
* I) Medial Condyle of Tibia
* A) Extend Thigh and Flex Leg
85
Tibalis Anterior
* O) Lateral Condyle, Proximal Tibia, and Interosseous membrane
* I) Medial Cuneiform and Metatarsal 1
* A) Prime mover of Dorsiflexion.
86
Extensor Digatorium Longus (A)
* A) Extends toes 2-5, dorsiflexes foot
87
Extensor Hallucis Longus (A)
* A) Extends hallux, dorsifelxes foot.
88
Fibularis (peroneus) Longus
* O) Head and upper portion of lateral fubual
* I) Medial Cunifrom and Metatarasal 1 (underneath)
* A) Planter flex and evert foot.
89
Fibularis (peroneus) Brevis
* O) Distal Fibula
* I) Proximal Metatarsal 5
* A) Planterflexes and everts foot.
90
Gastrocnemius
* O) Femural Condyles
* I) Calcaneus Via Calcaneal Tendon
* A) Planterflex foot and flex knee
91
Soleus (Fish)
* O) Superior Tibia and Fibula. Interosseus membrane
* I) Calcaneus via calcaneal tendon.
* A) Planterflex foot.
92
Flexor Digitorium Longus (A)
* A) Flex toes
93
Flexor Hallucis Longus (A)
* A) Flex Great Toe
94
Tibialis Posterior
* O) Superior Tibia and Fibula and Interossus membrane
* I) Tarsals and metatarasals
* A) Inverts foot and planteflex