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anatomy origin Flashcards

1
Q

what is the Origin, Insertion, Action?

Abductor pollicis longus

A

ORIGIN: Proximal dorsal surfaces of ulna and radius,

INSERTION: 1st metacarpal bone and trapezium,

ACTION: Abducts and extends the thumb

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1
Q

what is the Origin, Insertion, Action?

Abductor pollicis brevis

A

ORIGIN: Transverse carpal ligament, scaphoid and trapezium,

INSERTION: Radial side of base of proximal phalanx of thumb,

ACTION: Abduction of thumb

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2
Q

what is the Origin, Insertion, Action?

Adductor longus

A

ORIGIN: Pubis near pubic symphysis,

INSERTION: Linea aspera,

ACTION: Adducts, medially rotates, and flexes thigh

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2
Q

what is the Origin, Insertion, Action?

Adductor brevis

A

ORIGIN: Body and inferior ramus of pubis,

INSERTION: Linea aspera and adductor tubercle of femur,

ACTION: Adducts and medially rotates thigh

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3
Q

what is the Origin, Insertion, Action?

Adductor pollicis

A

ORIGIN: Metacarpal and carpal bones,

INSERTION: Proximal phalanx of thumb,

ACTION: Adduction of thumb

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3
Q

what is the Origin, Insertion, Action?

Adductor magnus

A

ORIGIN: Ischial and pubic rami; and ischial tuberosity,

INSERTION: Linea aspera and adductor tubercle of femur,

ACTION: Adducts, medially rotates, and flexes thigh; also synergistic to hamstrings in thigh extension

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4
Q

what is the Origin, Insertion, Action?

Biceps Brachii Muscle

A

ORIGIN: Coracoid Process of Scapula, Supraglenoid tubercle of Scapula,

INSERTION: Radial Tuberosity of Radius,

ACTION: Agonist for Flexion of the Elbow and Supinates the forearm

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5
Q

what is the Origin, Insertion, Action?

Brachialis

A

ORIGIN: Distal Humerus,

INSERTION: Coronoid Process of Ulna,

ACTION: Flexes the forearm

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5
Q

what is the Origin, Insertion, Action?

Biceps femoris

A

ORIGIN: Ischil tuberosity, linea aspera, lateral supracondylar line, and distal femur,

INSERTION: Head of fibula and lateral condyle of tibia,

ACTION: Extends thigh and flexes knee

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6
Q

what is the Origin, Insertion, Action?

Brachioradialis

A

ORIGIN: Lateral Supracondylar of Humerus,

INSERTION: Styloid Process of Radius,

ACTION: Synergist for Flexion of the Forearm

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7
Q

what is the Origin, Insertion, Action?

Buccinator

A

ORIGIN: Molar region of maxilla and mandible,

INSERTION: Orbicularis Oris,

ACTION: Draw corner of mouth laterally, ; compresses cheek (as in whistling); holds food between teeth during chewing

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8
Q

what is the Origin, Insertion, Action?

Bulbospongiosus

A

ORIGIN: Central tendon of perineum and midline raphe,

INSERTION:_ Corpora cavernosa,

ACTION: Empties male urethra; assists in erection of penis/clitoris

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9
Q

what is the Origin, Insertion, Action?

Coccygeus

A

ORIGIN: Ischeal spine,

INSERTION: Sacrum and coccyx,

ACTION: Supports pelvic viscera; pulls coccyx forward after it has been reflected posteriorly by defecation and childbirth

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10
Q

what is the Origin, Insertion, Action?

Digastric

A

ORIGIN: Lower margin of Mandible and Mastoid Process,

INSERTION: Hyoid Bone,

ACTION: Elevates Hyoid Bone; open mouth and depress mandible

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10
Q

what is the Origin, Insertion, Action?

Diaphragm

A

ORIGIN: Ribs and its Cartilage, Sternum, Vertebrae,

INSERTION:_ Central Tendon,

ACTION: Prime Action in Inspiration

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10
Q

what is the Origin, Insertion, Action?

Deep transverse perineal muscle

A

ORIGIN: Ischial ramim,

INSERTION: Midline central tendon,

ACTION: Support pelvic organs

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10
Q

what is the Origin, Insertion, Action?

Deltoid Muscles

A

ORIGIN: Lateral third of Clavicle and Acromion and spine of Scapula,

INSERTION: Deltoid tuberosity of Humerus,

ACTION: Abduction of the Shoulder

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10
Q

what is the Origin, Insertion, Action?

Coracobrachialis

A

ORIGIN: Coracoid process of scapula,

INSERTION:_ Medial surface of humerus shaft,

ACTION: Flexion and adduction of humerus

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12
Q

Epicranium - frontal bell

A

ORIGIN: Epicranial aponeurosis,

INSERTION: Skin of the Eyebrown, bridge of nose,

ACTION: Raise the Eyebrown, wrinkles forehead

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13
Q

what is the Origin, Insertion, Action?

Epicranium - occipital belly

A

ORIGIN: Occipital and temporal bones,

INSERTION: Epicranial aponeurosis,

ACTION: Pulls scalp posteriorly

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14
Q

what is the Origin, Insertion, Action?

Extensor carpi radialis brevis

A

ORIGIN: Lateral epicondyle of Humerus,

INSERTION: Base of 3rd Metacarpal,

ACTION: Extends and abducts wrist

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15
Q

what is the Origin, Insertion, Action?

Extensor carpi radialis longus

A

ORIGIN: Lateral supracondylar ridge of Humerus,

INSERTION: Base of 2nd Metacarpal,

ACTION: Extends wrist; abducts wrist

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15
Q

what is the Origin, Insertion, Action?

Extensor carpi ulnaris

A

ORIGIN: Lateral epicondyle of Humerus and posterior border of ulna,

INSERTION: Base of 5th Metacarpal,

ACTION: Extends wrist; adducts wrist

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16
Q

what is the Origin, Insertion, Action?

Extensor digitorum

A

ORIGIN: Lateral epicondyle of Humerus,

INSERTION: Distal Phalanges of Fingers 2-5,

ACTION: Prime mover of finger extension

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17
Q

what is the Origin, Insertion, Action?

External Intercostal

A

ORIGIN: Inferior Border of Rib Above,

INSERTION: Superior border of Rib Below,

ACTION: Elevates Rib Cage

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17
Q

what is the Origin, Insertion, Action?

Extensor pollicis longus

A

ORIGIN: Dorsal shaft of ulna; and interosseous membrane,

INSERTION: Base of distal phalanx of thumb,

ACTION: Extension of thumb; abduction at wrist

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17
Q

what is the Origin, Insertion, Action?

Extensor pollicis brevis

A

ORIGIN: Dorsal shaft of radius,

INSERTION: Base of proximal phalanx of thumb,

ACTION: Extension of thumb; abduction at wrist

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17
Q

what is the Origin, Insertion, Action?

Extensor digitorum longus

A

ORIGIN: Lateral condyle and upper 3/4 of fibula shaft,

INSERTION: Medial and distal phalanges of toes 2-5,

ACTION: Prime mover of extension

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18
Q

what is the Origin, Insertion, Action?

External Oblique

A

ORIGIN: Lower 8 Ribs,

INSERTION:_ Linea Alba, Pubic crest and tubercle, Iliac crest,

ACTION: Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion

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19
Q

what is the Origin, Insertion, Action?

External urethral sphincter

A

ORIGIN: Ischiopubic rami,

INSERTION: Midline raphe,

ACTION: Constricts urethra

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20
Q

what is the Origin, Insertion, Action?

Fibularis (peroneus) longus

A

ORIGIN: Head and upper portion of lateral fibula,

INSERTION: First metatarsal and medial cuneiform,

ACTION: Plantar flexes and everts foot

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21
Q

what is the Origin, Insertion, Action?

Flexor carpi radialis

A

ORIGIN: Medial epicondyle of humerus,

INSERTION: Base of 2nd and 3rd metacarpals,

ACTION: Flexor of wrist; abducts hand

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22
Q

what is the Origin, Insertion, Action?

Flexor carpi ulnaris

A

ORIGIN: Medial epicondyle of humerus; olecranon process of ulna,

INSERTION: Pisiform, hamate, and base of 5th metacarpal,

ACTION: Flexor of wrist; adducts hand

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22
Q

what is the Origin, Insertion, Action?

Flexor digitorum profundus

A

ORIGIN: Coronoid process and anteromedial surface of ulna,

INSERTION:_ Distal phalanges of fingers 2-5,

ACTION: Flexes distal interphalangeal joints

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23
Q

what is the Origin, Insertion, Action?

Flexor digitorum superficialis

A

ORIGIN: Medial epicondyle of humerus; coronoid process of ulna; shaft of radius,

INSERTION: Middle phalanges of fingers 2-5,

ACTION: Flexes wrist and middle phalanges of fingers 2-5

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24
Q

what is the Origin, Insertion, Action?

Flexor pollicis longus

A

ORIGIN: Anterior surface of radius,

INSERTION: Distal phalanx of thumb,

ACTION: Flexes distal phalanx of thumb

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24
Q

what is the Origin, Insertion, Action?

Flexor pollicis brevis

A

ORIGIN: Flexor retinaculum, trapezium, capitate and ulnar side of 1st metacarpal bone,

INSERTION: Radial and ulnar sides of proximal phalanx of thumb,

ACTION: Flexion and adduction of thumb

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26
Q

what is the Origin, Insertion, Action?

Genioglossus

A

ORIGIN: Internal surface of mandible,

INSERTION: Inferior aspect of tongue and body of hyoid bone,

ACTION: Protracts tongue

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27
Q

what is the Origin, Insertion, Action?

Geniohyoid

A

ORIGIN: Inner surface of mandible,

INSERTION: Hyoid Bone,

ACTION: Pulls hyoid bone superiorly and anteriorly

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27
Q

what is the Origin, Insertion, Action?

Gluteus maximus

A

ORIGIN: Dorsal ilium, sacrum and coccyx,

INSERTION: Gluteal tuberosity of femur; iliotibial tract,

ACTION: Major extensor of thigh

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28
Q

what is the Origin, Insertion, Action?

Gluteus medius

A

ORIGIN: Between anterior and posterior gluteal lines on lateral surface of ilium,

INSERTION: Greater trochanter of femur,

ACTION: Abducts and medially rotates thigh

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29
Q

what is the Origin, Insertion, Action?

Gluteus minimus

A

ORIGIN: Between anterior and inferior gluteal lines on external surface of ilium,

INSERTION: Greater trochanter of femur,

ACTION: Abducts and medially rotates thigh

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30
Q

what is the Origin, Insertion, Action?

Hyoglossus

A

ORIGIN: Body and greater horn of hyoid,

INSERTION: Inferolateral tongue,

ACTION: Depresses tongue

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30
Q

what is the Origin, Insertion, Action?

Gracilis

A

ORIGIN: Inferior ramus and body of pubis; and adjacent ischial ramus,

INSERTION: Medial surface of tibia, just inferior to its medial condyle,

ACTION: Adducts, medially rotates, and flexes leg during walking

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30
Q

what is the Origin, Insertion, Action?

Hamstrings

A

ORIGIN:

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31
Q

what is the Origin, Insertion, Action?

Iliacus

A

ORIGIN: Iliac fossa, iliac crest, and ala of sacrum,

INSERTION: Lesser trochanter of femur,

ACTION: Prime mover of flexing thigh; helps in flexing trunk on thigh

32
Q

what is the Origin, Insertion, Action?

Iliocostalis

A

ORIGIN: Iliac crest, inferior thoracic and cervical ribs,

INSERTION: Ribs and transverse processes of cervical vetebrae,

ACTION: Extends and laterally flex the vertebral column

33
Q

what is the Origin, Insertion, Action?

Buccinator

A

ORIGIN: Molar region of maxilla and mandible,

INSERTION: Orbicularis Oris,

ACTION: Draw corner of mouth laterally, ; compresses cheek (as in whistling); holds food between teeth during chewing

33
Q

what is the Origin, Insertion, Action?

Inferior Oblique Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Elevates the Eye and Turns it Laterally

34
Q

what is the Origin, Insertion, Action?

Inferior Rectus Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Depresses the Eye and turns it Medially

35
Q

what is the Origin, Insertion, Action?

Infraspinatus Muscles

A

ORIGIN: Infraspinatus fossa of scapula,

INSERTION: Greater tubercle of humerus,

ACTION: Rotates humerus laterally

36
Q

what is the Origin, Insertion, Action?

Internal Intercostal

A

ORIGIN: Superior border of Rib Below,

INSERTION: Inferior Border of Rib Above,

ACTION: Depresses Rib Cage

37
Q

what is the Origin, Insertion, Action?

Internal Oblique

A

ORIGINL: Lumbar Fascia, iliac crest, Inguinal Ligament,

INSERTION: Linea Alba, Pubic crest, and last 3 or 4 Ribs,

ACTION: Flex Vertebral Column and Compress Abdominal Wall; Helps Trunk Rotation and Lateral Flexion

38
Q

what is the Origin, Insertion, Action?

Ischiocavernosus

A

ORIGIN: Ischial tuberosities,

INSERTION: Corpora cavernosa,

ACTION: Retards venous drainage and maintains erection of penis/clitoris

40
Q

what is the Origin, Insertion, Action?

Lateral Pterygoid

A

ORIGIN: Greater wing of sphenoid,

INSERTION: Mandibular condyle,

ACTION: Protacts Jaw, Grinding the Teeth

41
Q

what is the Origin, Insertion, Action?

Lateral Rectus Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Moves eye laterally

42
Q

what is the Origin, Insertion, Action?

Latssimus Dorsi Muscles

A

ORIGIN: spine of lwoer 6 thoracic vertebrae, Lower 3-4 Ribs, Iliac crest,

INSERTION: Intertubercular sulcus of Humerus,

ACTION: Agonist for Shoulder extension; arm adductor; medially rotates arm at shoulder

43
Q

what is the Origin, Insertion, Action?

Levator ani

A

ORIGIN: From pubis to ischial spine,

INSERTION: Inner surface of coccyx,

ACTION: Supports and maintain position of pelvic viscera during coughing, vomiting; lift anal canal during defecation

44
Q

what is the Origin, Insertion, Action?

Levator Labii Superioris

A

ORIGIN: Zygomatic bone and infraorbital margin of maxilla

INSERTION: Skin and muscle of upper lip and border of nostril ,

ACTION: Raises and furrows upper lips; open lips

45
Q

what is the Origin, Insertion, Action?

Levator Scapulae

A

ORIGIN: Transverse Processes of C1-C4 Vetebrae,

INSERTION: Medial Border of Scapula and superior to the spine,

ACTION: Elevates and adducts the Scapula

46
Q

what is the Origin, Insertion, Action?

Longissiums

A

ORIGIN: Transverse processes of lumbar through cervical vetebrae,

INSERTION:_ Transverse processes of thoracic and cervical vertebrae, and mastoid process of temporal bone,

ACTION: Extends and laterally flex the vertebral column; extends head and turns the face toward same side

48
Q

what is the Origin, Insertion, Action?

Masseter Muscles

A

ORIGIN: Zygomatic arch and maxill,

INSERTION: Angle and ramus of mandible,

ACTION: Closes the Jaw

49
Q

what is the Origin, Insertion, Action?

Medial Pterygoid

A

ORIGIN: Sphenoid, Palatine and Maxillary Bones,

INSERTION: Medial surface of mandible,

ACTION: Elevates Mandible, Grinding the Teeth; synergistic of temporalis and masseter

50
Q

what is the Origin, Insertion, Action?

Medial Rectus Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Moves eye medially

52
Q

what is the Origin, Insertion, Action?

Mylohyoid

A

ORIGIN: Medial surface of Mandible,

INSERTION: Hyoid Bone,

ACTION: Elevates Hyoid Bone and base of tongue during swallowing

54
Q

what is the Origin, Insertion, Action?

Omohyoid

A

ORIGIN: Superior border of Scapula,

INSERTION:_ Hyoid Bone,

ACTION: Depresses Larynx and Hyoid Bone

55
Q

what is the Origin, Insertion, Action?

Opponents pollicis

A

ORIGIN: Trapezium and flexor retinaculum,

INSERTION: 1st metacarpal bone,

ACTION: Opposition of thumb

56
Q

what is the Origin, Insertion, Action?

Orbicularis Oculi

A

ORIGIN: Frontal and maxillary bones,

INSERTION: Eyelid,

ACTION: Closes eyes, blinking, squinting

58
Q

what is the Origin, Insertion, Action?

Orbicularis Oris

A

ORIGIN: Maxilla and Mandible,

INSERTION: Skin and muscle at angle of the mouth,

ACTION: Closes lips; purses and protrudes lips (kissing and whistling muscle)

59
Q

what is the Origin, Insertion, Action?

Palmaris longus

A

ORIGIN: Medial epicondyle of humerus,

INSERTION: Palmar aponeurosis,

ACTION: Tenses skin and fascia of palm during hand movements; weak wrist flexor

60
Q

what is the Origin, Insertion, Action?

Pectineus

A

ORIGIN: Superior ramus of pubis,

INSERTION: Lesser trochanter and linea aspera,

ACTION: Adducts, medially rotates, and flexes thigh

62
Q

what is the Origin, Insertion, Action?

Pectoralis Major

A

ORIGIN: Sternal end of Clavicle, Sternum, 1-6 Ribs,

INSERTION: Intertubercular sulcus and greater tubercle of Humerus,

ACTION: Prime mover of arm flexion; rotates arm medially; adducts arm

63
Q

what is the Origin, Insertion, Action?

Pectoralis Minor Muscles

A

ORIGIN: 3-5 Ribs,

INSERTION: Coracoid process of Scapula,

ACTION: Ribs Fixed: Moves Scapula Forward and Inferiorly and with Scapula fixed it moves up the rib cage (Accessory Muscle for Respiration)

64
Q

what is the Origin, Insertion, Action?

Pronator quadratus

A

ORIGIN: Distal portion of anterior ulnar shaft,

INSERTION: Distal surface of anterior radius,

ACTION: Prime mover of forearm pronation

66
Q

what is the Origin, Insertion, Action?

Pronator teres

A

ORIGIN: Medial epicondyle of humerus; coronoid process of ulna,

INSERTION: Midshaft lateral radius,

ACTION: Pronates forearm

67
Q

what is the Origin, Insertion, Action?

Psoas major

A

ORIGIN: Transverse processes of lumbar and T12 vertebrae,

INSERTION: Lesser trochanter of femur,

ACTION: Prime mover of flexing thigh; helps in flexing laterally vertebral column

68
Q

what is the Origin, Insertion, Action?

Quadratus Lumborum

A

ORIGIN: Iliac crest,

INSERTION: Transverse processes of lumbar vertebrae and lower margin of 12th rib,

ACTION: Flexes vertebral column laterally

70
Q

what is the Origin, Insertion, Action?

Rectus Abdominis

A

ORIGIN: Pubic crest and symphysis,

INSERTION: Xiphoid Process, Ribs,

ACTION: Flexes and Rotates Lumbar Vertebral Column, Increase Abdominal Pressure

71
Q

what is the Origin, Insertion, Action?

Rectus femoris

A

ORIGIN: Anterior inferior iliac spine and superior margin of acetabulum,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee and flexes thigh at hip

72
Q

what is the Origin, Insertion, Action?

Rhomboids Major and Minor

A

ORIGIN: Spinous processes of vetebrae (C7 and T1 for minor; T2-T5 for major),

INSERTION: Medial Border of Scapula,

ACTION: Adducts Scapula (squaring shoulders)

73
Q

what is the Origin, Insertion, Action?

Risorius

A

ORIGIN: Fascia of masseter muscle,

INSERTION: Skin at angle of the mouth,

ACTION: Pulls Corner of Lips Laterally; tenses lip; zygmatic synergistic

74
Q

what is the Origin, Insertion, Action?

Sartorius

A

ORIGIN: Anterior superior iliac spine,

INSERTION: Medial aspect of proximal tibia,

ACTION: Flexes, abducts, and laterally rotates thigh; flexes knee; produces the cross-legged position

76
Q

what is the Origin, Insertion, Action?

Scalenes: Anterior, Middle, Posterior

A

ORIGIN: Transverse processes of cervical vertebrae,

INSERTION:_ Anterolaterally on ribs 1 and 2,

ACTION: Flex and sligthly rotate neck; elevates first 2 ribs; aid in inspiration

77
Q

what is the Origin, Insertion, Action?

Semimembranosus

A

ORIGIN: Ischial tuberosity,

INSERTION: Medial condyle of tibia and lateral condyle of femur,

ACTION: Extends thigh and flexes knee

78
Q

what is the Origin, Insertion, Action?

Semispinalis

A

ORIGIN: Transverse processes of C7-T12,

INSERTION: Occipital bone, and spinous processes of cervical and thoracic vertebrae,

ACTION: Extends vertebral column and head, and rotates them to opposite side

79
Q

what is the Origin, Insertion, Action?

Semitendinosus

A

ORIGIN: Ischial tuberosity,

INSERTION: Medial aspect of upper tibial shaft,

ACTION: Extends thigh and flexes knee

81
Q

what is the Origin, Insertion, Action?

Serratus Anterior Muscles

A

ORIGIN: 1-8 Ribs,

INSERTION: Scapula (Anterior Surface of medial border),

ACTION: Rotates scapula so that the inferior angle moves laterally and upward; Fixates, Protracts the Scapula

83
Q

what is the Origin, Insertion, Action?

Spinalis

A

ORIGIN: Spinous process of upper lumbar and lower thoracic vertebrae,

INSERTION: Spinous process of upper thoracic and cervical vertebrae,

ACTION: Extends vertebral column

85
Q

what is the Origin, Insertion, Action?

Splenius

A

ORIGIN: Spinous process of vertebrae C7-T6,

INSERTION: Mastoid process of temporal bone, occipital bone, and transverse process of cervical vetebrae,

ACTION: Extends or hyperextends the head

87
Q

what is the Origin, Insertion, Action?

Sternocleidomastoid

A

ORIGIN: Manubrium of sternum and medial aspect of clavicle,

INSERTION: Mastoid process of temporal bone and superior nuchal line of occipital bone,

ACTION: Simultaneous contraction : flexion forward of the neck; independent contraction: rotate head toward shoulder on opposite side

88
Q

what is the Origin, Insertion, Action?

Sternohyoid

A

ORIGIN: Manubrium and medial end of Clavicle,

INSERTION: Hyoid Bone,

ACTION: Depresses Larynx and Hyoid Bone

89
Q

what is the Origin, Insertion, Action?

Sternothyroid

A

ORIGIN: Manubrium,

INSERTION: Thyroid cartilage of larynx,

ACTION: Depresses Larynx and Hyoid Bone

90
Q

what is the Origin, Insertion, Action?

Styloglossus

A

ORIGIN: Styloid process of temporal bone,

INSERTION: Inferolateral tongue,

ACTION: Retracts and elevates tongue

91
Q

what is the Origin, Insertion, Action?

Stylohyoid

A

ORIGIN: Styloid Proxcess of Temporal bone,

INSERTION: Hyoid Bone,

ACTION: Elevates and Retracts Hyoid Bone

92
Q

what is the Origin, Insertion, Action?

Subscapularis

A

ORIGIN: Subscapula fossa of scapula,

INSERTION: Lesser tubercle of humerus,

ACTION: Chief medial rotator of humerus

93
Q

what is the Origin, Insertion, Action?

Superfiicial transverse perineal muscle

A

ORIGIN: Ischial tuberosities,

INSERTION: Central tendon of perineum,

ACTION: Strengthen midline tendon of perineum

94
Q

what is the Origin, Insertion, Action?

Superior Oblique Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Depresses the Eye and turns it Laterally

96
Q

what is the Origin, Insertion, Action?

Superior Rectus Muscles

A

ORIGIN: Bony orbit,

INSERTION: Outer surface of eyeball,

ACTION: Elevates the Eye and Turns it Medially

97
Q

what is the Origin, Insertion, Action?

Supinator

A

ORIGIN: Lateral epicondyle of humerus; proximal ulna,

INSERTION: Proximal end of radius,

ACTION: Acts with biceps brachii to supinate forearm; antagonist of pronator muscles

98
Q

what is the Origin, Insertion, Action?

Supraspinatus Muscles

A

ORIGIN: Supraspinatus fossa of scapula,

INSERTION: Greater tubercle of humerus,

ACTION: Initiate abduction of humerus

99
Q

what is the Origin, Insertion, Action?

Temporalis Muscles

A

ORIGIN: Temporal Fossa,

INSERTION: Coronoid process of mandible,

ACTION: Closes and retracts the Jaw

100
Q

what is the Origin, Insertion, Action?

Tensor fasciae latae

A

ORIGIN: Anterior aspect of iliac crest and anterior superiror iliac spine,

INSERTION: Iliotibial tract,

ACTION: Steadies the knee and trunk on thigh by making iliotibial tract taut; flexes and abducts thigh; rotates thigh medially

101
Q

what is the Origin, Insertion, Action?

Teres Major

A

ORIGIN: Posterior surface of scapula at inferior angle,

INSERTION: Lesser tubercle of humerus,

ACTION: Extends, medially rotates, and adducts the humerus; synergistic to latissimus dorsi

102
Q

what is the Origin, Insertion, Action?

Teres Minor Muscles

A

ORIGIN: Lateral border of dorsal scapula surface,

INSERTION: Greater tubercle of humerus,

ACTION: Rotates humerus laterally

103
Q

what is the Origin, Insertion, Action?

Thyrohyoid

A

ORIGIN: Thyroid Cartilage,

INSERTION: Hyoid Bone,

ACTION: Depresses Hyoid Bone; elevates larynx if hyoid is fixed

104
Q

what is the Origin, Insertion, Action?

Tibialis anterior

A

ORIGIN: Lateral condyle and upper 2/3 of tibial shaft,

INSERTION: Inferior surface of medial cuneiform and first metatarsal,

ACTION: Prime mover of dorsiflexion

106
Q

what is the Origin, Insertion, Action?

Transversus Abdominis

A

ORIGIN: Last 6 Ribs, Inguinal Ligament, iliac crest, Lumbar Fascia,

INSERTION: Linea Alba, Pubic crest,

ACTION: Compresses Abdominal Content

108
Q

what is the Origin, Insertion, Action?

Trapezius Muscles

A

ORIGIN: Occipital Bone, Spinous processes of C7 and all throacic vertebrae,

INSERTION: Acromion and spine of scapula, and lateral third of Clavicle,

ACTION: Extend Head; elevate, retracts and rotates the Scapula

109
Q

what is the Origin, Insertion, Action?

Triceps Brachii muscle

A

ORIGIN: Infraglenoid tubercle of Scapula, posterior shaft of Humerus,

INSERTION: Olecranon Process of Ulna,

ACTION: Agonist for Extension of the Forearm

110
Q

what is the Origin, Insertion, Action?

Vastus intermedius

A

ORIGIN: Anterior and lateral surfaces of proximal femur shaft,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee

111
Q

what is the Origin, Insertion, Action?

Vastus lateralis

A

ORIGIN: Greater trochanter, intertrochanteric line, linea aspera,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends and stabilizes knee

112
Q

what is the Origin, Insertion, Action?

Vastus medialis

A

ORIGIN: Linea aspera, intertrochanteric and medial supracondylar lines,

INSERTION: Patella and tibial tuberosity of tibia,

ACTION: Extends knee

113
Q

what is the Origin, Insertion, Action?

Zygomatic Major and Minor

A

ORIGIN: Zygomatic Bone,

INSERTION: Skin and muscle of corner the mouth,

ACTION: Raises lateral corners of mouth upward (smiling muscle)

Anatomy (10 decks)

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