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
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
Q
Splenius
A
- O) Ligamentum Nuchae and Spinous process’ C7-T6
- I) Mastoid Process (temporal bone) and occipital bone; transverse process of C2-C4
26
Q
Erector Spineae Group (A)
A
- Prime Mover of Back Extension
- Extens and laterally flex verterbacial collum
27
Q
Quadratus Lumborum
A
- O) Illiac Crest
- I) Tranvrese process of lumbar vertebrae.
- A) Laterally flex vertebrecal collum
28
Q
External Intercostals
A
- O) Inferior Border of superior rib
- I) Superior border of inferior rib
- A) Elevates rib cage (Ihilation)
29
Q
Internal intrercostals
A
- O) Superior Border of Inferior Rib
- I) Inferior border of Superior Rib
- A) Depresses Rib Cage (for Expiration)
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
31
Q
Rectus Abdominus
A
- O) Pubic Crest/ Synapysis
- I) Xyphliod process and cartlidge of ribs 5-7
- A) Flex Spine. Increase abdominal pressure
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)
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)
34
Q
Transverse Abdominis
A
- O) Lumbar Fascia, Illiac Crest, Costal cartlidges 6-12
- I) Line abla and pubic crest
- A) Compresses abdomen
35
Q
Pectoralis Minor
A
- O) Ribs 3-5
- I) Coracoid process of scapula
- A) Draws scapula forward and downward. Elevated ribs
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.
37
Q
Levator Scapulea
A
- O) Transverse Processes of C1-C4
- I) Medial border of Scapula
- A) Elevates Scapula.
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
