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
# what is the Origin, Insertion, Action? External Intercostal
ORIGIN: Inferior Border of Rib Above, INSERTION: Superior border of Rib Below, ACTION: Elevates Rib Cage
17
# what is the Origin, Insertion, Action? Extensor pollicis longus
ORIGIN: Dorsal shaft of ulna; and interosseous membrane, INSERTION: Base of distal phalanx of thumb, ACTION: Extension of thumb; abduction at wrist
17
# what is the Origin, Insertion, Action? Extensor pollicis brevis
ORIGIN: Dorsal shaft of radius, INSERTION: Base of proximal phalanx of thumb, ACTION: Extension of thumb; abduction at wrist
17
# what is the Origin, Insertion, Action? Extensor digitorum longus
ORIGIN: Lateral condyle and upper 3/4 of fibula shaft, INSERTION: Medial and distal phalanges of toes 2-5, ACTION: Prime mover of extension
18
# what is the Origin, Insertion, Action? External Oblique
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
19
# what is the Origin, Insertion, Action? External urethral sphincter
ORIGIN: Ischiopubic rami, INSERTION: Midline raphe, ACTION: Constricts urethra
20
# what is the Origin, Insertion, Action? Fibularis (peroneus) longus
ORIGIN: Head and upper portion of lateral fibula, INSERTION: First metatarsal and medial cuneiform, ACTION: Plantar flexes and everts foot
21
# what is the Origin, Insertion, Action? Flexor carpi radialis
ORIGIN: Medial epicondyle of humerus, INSERTION: Base of 2nd and 3rd metacarpals, ACTION: Flexor of wrist; abducts hand
22
# what is the Origin, Insertion, Action? Flexor carpi ulnaris
ORIGIN: Medial epicondyle of humerus; olecranon process of ulna, INSERTION: Pisiform, hamate, and base of 5th metacarpal, ACTION: Flexor of wrist; adducts hand
22
# what is the Origin, Insertion, Action? Flexor digitorum profundus
ORIGIN: Coronoid process and anteromedial surface of ulna, INSERTION:\_ Distal phalanges of fingers 2-5, ACTION: Flexes distal interphalangeal joints
23
# what is the Origin, Insertion, Action? Flexor digitorum superficialis
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
24
# what is the Origin, Insertion, Action? Flexor pollicis longus
ORIGIN: Anterior surface of radius, INSERTION: Distal phalanx of thumb, ACTION: Flexes distal phalanx of thumb
24
# what is the Origin, Insertion, Action? Flexor pollicis brevis
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
26
# what is the Origin, Insertion, Action? Genioglossus
ORIGIN: Internal surface of mandible, INSERTION: Inferior aspect of tongue and body of hyoid bone, ACTION: Protracts tongue
27
# what is the Origin, Insertion, Action? Geniohyoid
ORIGIN: Inner surface of mandible, INSERTION: Hyoid Bone, ACTION: Pulls hyoid bone superiorly and anteriorly
27
# what is the Origin, Insertion, Action? Gluteus maximus
ORIGIN: Dorsal ilium, sacrum and coccyx, INSERTION: Gluteal tuberosity of femur; iliotibial tract, ACTION: Major extensor of thigh
28
# what is the Origin, Insertion, Action? Gluteus medius
ORIGIN: Between anterior and posterior gluteal lines on lateral surface of ilium, INSERTION: Greater trochanter of femur, ACTION: Abducts and medially rotates thigh
29
# what is the Origin, Insertion, Action? Gluteus minimus
ORIGIN: Between anterior and inferior gluteal lines on external surface of ilium, INSERTION: Greater trochanter of femur, ACTION: Abducts and medially rotates thigh
30
# what is the Origin, Insertion, Action? Hyoglossus
ORIGIN: Body and greater horn of hyoid, INSERTION: Inferolateral tongue, ACTION: Depresses tongue
30
# what is the Origin, Insertion, Action? Gracilis
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
30
# what is the Origin, Insertion, Action? Hamstrings
ORIGIN:
31
# what is the Origin, Insertion, Action? Iliacus
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
# what is the Origin, Insertion, Action? Iliocostalis
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
# what is the Origin, Insertion, Action? Buccinator
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
# what is the Origin, Insertion, Action? Inferior Oblique Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Elevates the Eye and Turns it Laterally
34
# what is the Origin, Insertion, Action? Inferior Rectus Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Depresses the Eye and turns it Medially
35
# what is the Origin, Insertion, Action? Infraspinatus Muscles
ORIGIN: Infraspinatus fossa of scapula, INSERTION: Greater tubercle of humerus, ACTION: Rotates humerus laterally
36
# what is the Origin, Insertion, Action? Internal Intercostal
ORIGIN: Superior border of Rib Below, INSERTION: Inferior Border of Rib Above, ACTION: Depresses Rib Cage
37
# what is the Origin, Insertion, Action? Internal Oblique
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
# what is the Origin, Insertion, Action? Ischiocavernosus
ORIGIN: Ischial tuberosities, INSERTION: Corpora cavernosa, ACTION: Retards venous drainage and maintains erection of penis/clitoris
40
# what is the Origin, Insertion, Action? Lateral Pterygoid
ORIGIN: Greater wing of sphenoid, INSERTION: Mandibular condyle, ACTION: Protacts Jaw, Grinding the Teeth
41
# what is the Origin, Insertion, Action? Lateral Rectus Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Moves eye laterally
42
# what is the Origin, Insertion, Action? Latssimus Dorsi Muscles
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
# what is the Origin, Insertion, Action? Levator ani
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
# what is the Origin, Insertion, Action? Levator Labii Superioris
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
# what is the Origin, Insertion, Action? Levator Scapulae
ORIGIN: Transverse Processes of C1-C4 Vetebrae, INSERTION: Medial Border of Scapula and superior to the spine, ACTION: Elevates and adducts the Scapula
46
# what is the Origin, Insertion, Action? Longissiums
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
# what is the Origin, Insertion, Action? Masseter Muscles
ORIGIN: Zygomatic arch and maxill, INSERTION: Angle and ramus of mandible, ACTION: Closes the Jaw
49
# what is the Origin, Insertion, Action? Medial Pterygoid
ORIGIN: Sphenoid, Palatine and Maxillary Bones, INSERTION: Medial surface of mandible, ACTION: Elevates Mandible, Grinding the Teeth; synergistic of temporalis and masseter
50
# what is the Origin, Insertion, Action? Medial Rectus Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Moves eye medially
52
# what is the Origin, Insertion, Action? Mylohyoid
ORIGIN: Medial surface of Mandible, INSERTION: Hyoid Bone, ACTION: Elevates Hyoid Bone and base of tongue during swallowing
54
# what is the Origin, Insertion, Action? Omohyoid
ORIGIN: Superior border of Scapula, INSERTION:\_ Hyoid Bone, ACTION: Depresses Larynx and Hyoid Bone
55
# what is the Origin, Insertion, Action? Opponents pollicis
ORIGIN: Trapezium and flexor retinaculum, INSERTION: 1st metacarpal bone, ACTION: Opposition of thumb
56
# what is the Origin, Insertion, Action? Orbicularis Oculi
ORIGIN: Frontal and maxillary bones, INSERTION: Eyelid, ACTION: Closes eyes, blinking, squinting
58
# what is the Origin, Insertion, Action? Orbicularis Oris
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
# what is the Origin, Insertion, Action? Palmaris longus
ORIGIN: Medial epicondyle of humerus, INSERTION: Palmar aponeurosis, ACTION: Tenses skin and fascia of palm during hand movements; weak wrist flexor
60
# what is the Origin, Insertion, Action? Pectineus
ORIGIN: Superior ramus of pubis, INSERTION: Lesser trochanter and linea aspera, ACTION: Adducts, medially rotates, and flexes thigh
62
# what is the Origin, Insertion, Action? Pectoralis Major
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
# what is the Origin, Insertion, Action? Pectoralis Minor Muscles
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
# what is the Origin, Insertion, Action? Pronator quadratus
ORIGIN: Distal portion of anterior ulnar shaft, INSERTION: Distal surface of anterior radius, ACTION: Prime mover of forearm pronation
66
# what is the Origin, Insertion, Action? Pronator teres
ORIGIN: Medial epicondyle of humerus; coronoid process of ulna, INSERTION: Midshaft lateral radius, ACTION: Pronates forearm
67
# what is the Origin, Insertion, Action? Psoas major
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
# what is the Origin, Insertion, Action? Quadratus Lumborum
ORIGIN: Iliac crest, INSERTION: Transverse processes of lumbar vertebrae and lower margin of 12th rib, ACTION: Flexes vertebral column laterally
70
# what is the Origin, Insertion, Action? Rectus Abdominis
ORIGIN: Pubic crest and symphysis, INSERTION: Xiphoid Process, Ribs, ACTION: Flexes and Rotates Lumbar Vertebral Column, Increase Abdominal Pressure
71
# what is the Origin, Insertion, Action? Rectus femoris
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
# what is the Origin, Insertion, Action? Rhomboids Major and Minor
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
# what is the Origin, Insertion, Action? Risorius
ORIGIN: Fascia of masseter muscle, INSERTION: Skin at angle of the mouth, ACTION: Pulls Corner of Lips Laterally; tenses lip; zygmatic synergistic
74
# what is the Origin, Insertion, Action? Sartorius
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
# what is the Origin, Insertion, Action? Scalenes: Anterior, Middle, Posterior
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
# what is the Origin, Insertion, Action? Semimembranosus
ORIGIN: Ischial tuberosity, INSERTION: Medial condyle of tibia and lateral condyle of femur, ACTION: Extends thigh and flexes knee
78
# what is the Origin, Insertion, Action? Semispinalis
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
# what is the Origin, Insertion, Action? Semitendinosus
ORIGIN: Ischial tuberosity, INSERTION: Medial aspect of upper tibial shaft, ACTION: Extends thigh and flexes knee
81
# what is the Origin, Insertion, Action? Serratus Anterior Muscles
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
# what is the Origin, Insertion, Action? Spinalis
ORIGIN: Spinous process of upper lumbar and lower thoracic vertebrae, INSERTION: Spinous process of upper thoracic and cervical vertebrae, ACTION: Extends vertebral column
85
# what is the Origin, Insertion, Action? Splenius
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
# what is the Origin, Insertion, Action? Sternocleidomastoid
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
# what is the Origin, Insertion, Action? Sternohyoid
ORIGIN: Manubrium and medial end of Clavicle, INSERTION: Hyoid Bone, ACTION: Depresses Larynx and Hyoid Bone
89
# what is the Origin, Insertion, Action? Sternothyroid
ORIGIN: Manubrium, INSERTION: Thyroid cartilage of larynx, ACTION: Depresses Larynx and Hyoid Bone
90
# what is the Origin, Insertion, Action? Styloglossus
ORIGIN: Styloid process of temporal bone, INSERTION: Inferolateral tongue, ACTION: Retracts and elevates tongue
91
# what is the Origin, Insertion, Action? Stylohyoid
ORIGIN: Styloid Proxcess of Temporal bone, INSERTION: Hyoid Bone, ACTION: Elevates and Retracts Hyoid Bone
92
# what is the Origin, Insertion, Action? Subscapularis
ORIGIN: Subscapula fossa of scapula, INSERTION: Lesser tubercle of humerus, ACTION: Chief medial rotator of humerus
93
# what is the Origin, Insertion, Action? Superfiicial transverse perineal muscle
ORIGIN: Ischial tuberosities, INSERTION: Central tendon of perineum, ACTION: Strengthen midline tendon of perineum
94
# what is the Origin, Insertion, Action? Superior Oblique Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Depresses the Eye and turns it Laterally
96
# what is the Origin, Insertion, Action? Superior Rectus Muscles
ORIGIN: Bony orbit, INSERTION: Outer surface of eyeball, ACTION: Elevates the Eye and Turns it Medially
97
# what is the Origin, Insertion, Action? Supinator
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
# what is the Origin, Insertion, Action? Supraspinatus Muscles
ORIGIN: Supraspinatus fossa of scapula, INSERTION: Greater tubercle of humerus, ACTION: Initiate abduction of humerus
99
# what is the Origin, Insertion, Action? Temporalis Muscles
ORIGIN: Temporal Fossa, INSERTION: Coronoid process of mandible, ACTION: Closes and retracts the Jaw
100
# what is the Origin, Insertion, Action? Tensor fasciae latae
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
# what is the Origin, Insertion, Action? Teres Major
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
# what is the Origin, Insertion, Action? Teres Minor Muscles
ORIGIN: Lateral border of dorsal scapula surface, INSERTION: Greater tubercle of humerus, ACTION: Rotates humerus laterally
103
# what is the Origin, Insertion, Action? Thyrohyoid
ORIGIN: Thyroid Cartilage, INSERTION: Hyoid Bone, ACTION: Depresses Hyoid Bone; elevates larynx if hyoid is fixed
104
# what is the Origin, Insertion, Action? Tibialis anterior
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
# what is the Origin, Insertion, Action? Transversus Abdominis
ORIGIN: Last 6 Ribs, Inguinal Ligament, iliac crest, Lumbar Fascia, INSERTION: Linea Alba, Pubic crest, ACTION: Compresses Abdominal Content
108
# what is the Origin, Insertion, Action? Trapezius Muscles
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
# what is the Origin, Insertion, Action? Triceps Brachii muscle
ORIGIN: Infraglenoid tubercle of Scapula, posterior shaft of Humerus, INSERTION: Olecranon Process of Ulna, ACTION: Agonist for Extension of the Forearm
110
# what is the Origin, Insertion, Action? Vastus intermedius
ORIGIN: Anterior and lateral surfaces of proximal femur shaft, INSERTION: Patella and tibial tuberosity of tibia, ACTION: Extends knee
111
# what is the Origin, Insertion, Action? Vastus lateralis
ORIGIN: Greater trochanter, intertrochanteric line, linea aspera, INSERTION: Patella and tibial tuberosity of tibia, ACTION: Extends and stabilizes knee
112
# what is the Origin, Insertion, Action? Vastus medialis
ORIGIN: Linea aspera, intertrochanteric and medial supracondylar lines, INSERTION: Patella and tibial tuberosity of tibia, ACTION: Extends knee
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# what is the Origin, Insertion, Action? Zygomatic Major and Minor
ORIGIN: Zygomatic Bone, INSERTION: Skin and muscle of corner the mouth, ACTION: Raises lateral corners of mouth upward (smiling muscle)