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A&P 1 > Flashcards > Flashcards

Flashcards

1
Q

Origin, Insertion, Movement

Epicranium (Frontal Belly)

A

Epicranial aponeurosis>Eyebrow skin + nose Bridge

Raising Eyebrows, Wrinkle Forehead

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2
Q

Origin, Insertion, Movement

Epicranium (Occipital Belly)

A

Occipital (Superior Nuchal Line) and temporal bones>Epicranial aponeurosis

Pulls Scalp Posteriorly

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3
Q

Origin, Insertion, Movement

Orbicularis Oculi

A

Frontal and maxillary bones>Eyelid

Closes Eyes

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4
Q

Origin, Insertion, Movement

Levator Labii Superioris

A

Zygomatic bone and infraorbital margin of maxilla>upper lip/nostril (Superior one that elevates lip)

Raises/Furrows Upper Lips (Duck Face Muscle)

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5
Q

Origin, Insertion, Movement

Zygomaticus Major/Minor (Which is which?)

A

Zygomatic bone–> Corner of mouth (Minor is to medial lip, major is lateral. Minor is also superior)

(Raises lateral corners of mouth for smiling, synergist with risorius?)

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6
Q

Origin, Insertion, Movement

Risorius

A

Fascia of Masseter–>Side of Mouth

Puls corners of lips laterally (Zygomatic Synergistic)

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7
Q

Origin, Insertion, Movement

Orbicularis Oris

A

Maxilla and Mandible> Lateral Mouth Angle

Closes lips, Purses and protrudes lips (Mackin + Whistling)

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8
Q

Origin, Insertion, Movement

Buccinator

A

Molar region of maxilla and mandible-> Orbicularis Oris (Deep Cheek Muscle)

Compresses Cheek, Holds food for chewing, Draw corner of mouth laterally

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9
Q

Origin, Insertion, Movement

Masseter Muscles

A

Zygomatic arch and Maxilla>Angle and ramus of mandible

Closes Jaw

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10
Q

Origin, Insertion, Movement

Temporalis Muscles

A

Temporal fossa>Coronoid process of mandible

Closes and retracts the jaw

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11
Q

Origin, Insertion, Movement

Medial Pterygoid (Synergist to what?)

A

Maxillary, Palatine, Sphenoid Bones > Medial surface of mandible (M(axilla)edial P(alatine)tery(sphen)oid)

Elevates Mandible, Grinds Teeth

Synergist of temporalis and masseter

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12
Q

Origin, Insertion, Movement

Lateral Pterygoid

A

Greater Wing of Sphenoid>Mandibular Condyle

Protracts Jaw, Grinds Teeth

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13
Q

Origin, Insertion, Movement

Genioglossus

A

Internal Surface of Mandible (Chin)> Inferior aspect of tongue, body of Hyoid Bone

Protracts Tongue (Big ol tongue muscle)

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14
Q

Origin, Insertion, Movement

Hyoglossus

A

Body + Greater Horn of Hyoid Bone > Inferolateral tongue

Depresses Tongue

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15
Q

Origin, Insertion, Movement

Styloglossus

A

Styloid Process of Temporal Bone > Inferolateral Tongue

Retracts and elevates tongue (Towards the styloid process)

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16
Q

Origin, Insertion, Movement

Extrinsic Eye Muscles

A

Bony Orbit > Sclera of Eye

in=medial; out=lateral

Superior Rectus > Up and In
Inferior Rectus > Down and In
Lateral Rectus > Out
Medial Rectus > In
Inferior Oblique Muscles > Up and Out (Below Eye, attaches going medial)
Superior Oblique Muscles > Down and Out (>Trochlea > Posterosuperior eye attaches going lateral))
Notsureifsrs OBLIQUE MOVEMENT???

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17
Q

Origin, Insertion, Movement

Digastric (two parts)

A

Lower Margin of Mandible (Anterior Belly) and Mastoid Process of Temporal Bone (Posterior Belly) > Hyoid Bone (Loops Around It)

Elevates Hyoid Bone, Opens mouth and depress mandible.

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18
Q

Origin, Insertion, Movement

Stylohyoid

A

Styloid Process of Temporal Bone > Hyoid Bone

Elevates and retracts hyoid bone

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19
Q

Origin, Insertion, Movement

Mylohyoid

A

Medial Surface of Mandible> Hyoid Bone

Elevates hyoid bone + Tongue base during swallowing

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20
Q

Origin, Insertion, Movement

Geniohyoid

A

Inner Surface of Mandible > Hyoid Bone(Between Genioglossus and Mylohyoid)

Pulls hyoid bone superiorly and anteriorly

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21
Q

Origin, Insertion, Movement

Sternohyoid

A

Manubrium and medial end of clavicle > Hyoid Bone

Depresses Larynx and Hyoid Bone

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22
Q

Origin, Insertion, Movement

Sternothyroid

A

Manubrium > Thyroid Cartilage of Larynx (Inf. to Thyohyoid)

Depressed Larynx and Hyoid Bone

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23
Q

Origin, Insertion, Movement

Omohyoid (Two Bellies)

A

Superior Border of Scapula > Hyoid Bone (More Like Scapula > Inf. Belly > Sup Belly > Hyoid)

Depresses larynx and Hyoid Bone

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24
Q

Origin, Insertion, Movement

Thyrohyoid

A

Thyroid Cartilage > Hyoid Bone

Depresses Hyoid Bone, or elevates larynx if Hyoid is fixed

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25
Q

Origin, Insertion, Movement

Sternocleidomastoid

A

Manubrium of Sternum (Sternal Head), Medial aspect of Clavicle (Clavicular Head) > Mastoid process of Temporal Bone + Superior Nuchal Line of Occipital Bone

Simultaneous contraction=neck flexion
Independent: Rotate head towards opposite shoulder

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26
Q

Origin, Insertion, Movement

Anterior, Posterior, Middle Scalene

A

Transverse Processes of Cervical Vertebrae > Anterolaterally on ribs 1 + 2

Flex + Slightly Rotate Neck, Elevate 1st 2 ribs. Aid in Inspiration

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27
Q

Origin, Insertion, Movement

Splenius

A

Spinous Process of Vertebrae C7-T6 > Mastoid Process of Temporal Bone, Occipital Bone, and Transverse Process of Cervical Vertebrae

(Capitis is between traps and semispinalis capitis)

Head Extension

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28
Q

Origin, Insertion, Movement

Iliocostalis

A

Iliac Crest, Inferior thoracic and cervical ribs > Ribs and Transverse Processes of Cervical Vertebrae

Extend neck + Vertebral column

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29
Q

Origin, Insertion, Movement

Longissimus

A

Transverse processes of lumbar-cervical vertebrae > Transverse processes of thoracic and cervical vertebrae + mastoid process of temporal bone

Extends + laterally flex the vertebral column

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30
Q

Origin, Insertion, Movement

Quadratus Lumborum

A

Iliac Crest > Transverse processes of lumbar vertebrae (+ lower margin of 12th rib)

Flexes Vertebral Column Laterally

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31
Q

Origin, Insertion, Movement

Spinalis

A

Spinous process of upper lumbar and lower thoracic vertebrae > Spinous process of upper thoracic and cervical vertebrae

Extends vertebral column

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32
Q

Origin, Insertion, Movement

Semispinalis

A

Transverse processes of C7-T12 > Occipital bone + Spinous Processes of Cervical + Thoracic Vertebrae

Extend vertebral column + head + rotates them

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33
Q

Origin, Insertion, Movement

Quadratus Lumborum

A

Iliac Crest > Transverse Processes of Lumbar Vertebrae and lower margin of 12th rib

Flexes vertebral column laterally

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34
Q

Origin, Insertion, Movement

External Intercostal

A

Inferior border of rib above > Superior border of rib below

Elevates rib cage (Pulls lower rib up)

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35
Q

Origin, Insertion, Movement

Internal Intercostal

A

Superior border of rib below > Inferior border of rib above

Depresses rib cage (Pulls upper rib down)

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36
Q

Origin, Insertion, Movement

Diaphragm

A

Ribs/Carilage, Sternum, Vertebrae > Central Tendon

Inspiration (Prime Action)

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37
Q

Origin, Insertion, Movement

Rectus Abdominis

A

Pubic Crest + Symphysis > Xiphoid Process/ Ribs

Increase Abdominal Pressure, Flex/rotate lumbar vertebral column

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38
Q

Origin, Insertion, Movement

External Oblique

A

Lower 8 Ribs > Linea Alba, Pubic Crest/Tubercle, Iliac Crest

Compresses Abdominal Wall, Flexes Vertebral Column, Helps Trunk Rotation

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39
Q

Origin, Insertion, Movement

Internal Oblique

A

Lumbar Fascia, Iliac Crest, Inguinal Ligament > Linea Albra, Pubic crest, last 3-4 Ribs

Compresses Abdominal Wall, Flexes Vertebral Column, Helps Trunk Rotation

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40
Q

Origin, Insertion, Movement

Transversus Abdominis

A

Last 6 ribs, Inguinal Ligament, Iliac Crest, Lumbar Fascia > Linea Alba, Pubic Crest

Compresses Abdominal Content

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41
Q

Origin, Insertion, Movement

SKIP #46 - #52 Because they nasty

A

Okay

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42
Q

Origin, Insertion, Movement

Pectoralis Minor

A

3-5 Ribs > Coracoid process of Scapula

Fixed Ribs: Scapula Forward and Inferior
Fixed Scapula: Elevate Rib Cage (Respiratory Accessory)

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43
Q

Origin, Insertion, Movement

Serratus Anterior

A

1-8 Ribs > Scapula (Anterior Surface of medial Border)

Rotates or Protracts Scapula

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44
Q

Origin, Insertion, Movement

Trapezius Muscles

A

Occipital Bone, Spinous processes of C7 + all Thoracic Vertebrae > Acromion and Spine of Scapula, Lateral 1/3 of clavicle

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45
Q

Origin, Insertion, Movement

Rhomboids Major/ Minor

A

Spinous Processes of Vertebrae (C7-T1 minor, T2-T4 Major) > Medial Border of Scapula

Extend Head, Elevate, Retracts, Rotates Scapula

46
Q

Origin, Insertion, Movement

Levator Scapulae

A

Transverse Processes of C1-C4 > Medial Border of Scapula + Superior to Spine

Elevates + Adducts Scapula

47
Q

Origin, Insertion, Movement

Pectoralis Major

A

Sternal End of Clavical, Sternum, Ribs 1-6 > Intertubercular Sulcus/Greater Tubercle of Humerus

Prime Mover of arm flexion, Medial Arm Rotation, Arm Adduction

48
Q

Origin, Insertion, Movement

Deltoids

A

Lateral Third of Clavical + Acromion and Spine of Scapula > Deltoid Tuberosity of Humerus

Abduction of the Shoulder

49
Q

Origin, Insertion, Movement

Latissimus Dorsi Muscles

A

Spine of lower 6 thoracic Vertebrae, Lower 3-4 Ribs, Iliac Crest > Intertubercular sulcus of Humerus

Agonist for shoulder extension, Arm adductor, Medially rotates arm at shoulder

50
Q

Origin, Insertion, Movement

Subscapularis

A

Subscapular Fossa of Scapula > Lesser Tubercle of humerus

Chief Medial Rotator of Humerus

51
Q

Origin, Insertion, Movement

Supraspinatus Muscles

A

Supraspinatus Fossa of Scapula > Greater Tubercle of Humerus

Initiate Humerus ABduction

52
Q

Origin, Insertion, Movement

Infraspinatus Muscles

A

Infraspinatus Fossa of Scapula > Greater Tubercle of Humerus

Rotates Humerus Laterally

53
Q

Origin, Insertion, Movement

Teres Minor

A

Lateral border of dorsal scapula surface > Greater Tubercle of Humerus

Rotates Humerus Laterally

54
Q

Origin, Insertion, Movement

Teres Major

A

Posterior surface of scapula @ Inferior Angle > Lesser Tubercle of Humerus

Extends, Medially rotates, adducts humerus
Latissimus Dorsi synergist

55
Q

Origin, Insertion, Movement

Coracobrachialis

A

Coracoid Process of Scapula > Medial Surface of Humerus Shaft

Flexion and adduction of humerus

56
Q

Origin, Insertion, Movement

Triceps Brachii Muscle

A

Infraglenoid Tubercle of Scapula, Post. shaft of humerus > Olecranon process of Ulna

Forearm Extension Agonist

57
Q

Origin, Insertion, Movement

Biceps Brachii Muscle

A

Coracoid Process + Supraglenoid Tubercle of Scapula > Radial Tuberosity of Radius

Agonist for flexion of the elbow and supinates the forearm

58
Q

Origin, Insertion, Movement

Bracialis

A

Distal Humerus > Coronoid Process of Ulna

Forearm Flexion

59
Q

Origin, Insertion, Movement

Brachioradialis

A

Lateral Spracondylar (Ridge?) of Humerus > Styloid Process of Radius

Forearm Flexion Synergist

60
Q

Origin, Insertion, Movement

Pronator Teres

A

Medial Epicondyle of Humerus, Coronoid Process of Unla > Midshaft Lateral Radius

Forearm Pronation

61
Q

Origin, Insertion, Movement

Flexor Carpi Radialus

A

Medial Epicondyle of Humerus > Base of 2nd and 3rd Metacarpals

Hand Abductor, Wrist Flexor

62
Q

Origin, Insertion, Movement

Palmaris Longus

A

Medial Epicondyle of Humerus > Palmar Aponeurosis

Tenses Skin/Fascia of palm during hand movement (Weak Wrist Flexor)

63
Q

Origin, Insertion, Movement

Flexor Carpi Ulnaris

A

Olecranon Process of Ulna + Medial Epicondyle of Unla > Pisiform, Hamate, Base of 5th Metacarpal

Flexor of Wrist, Hand Adductor

64
Q

Origin, Insertion, Movement

Flexor Digitorum Superficialis

A

Medial Epicondyle of Humerus, Coronoid Process of Ulna, Radial shaft > Middle Phalanges of Fingers 2-5

Flexes Wrist and middle phalanges of fingers 2-5

65
Q

Origin, Insertion, Movement

Flexor Pollicis Longus

A

Anterior Surface of Radius > Distal Phalanx of Thumb

Flexes Distal Phalanx of Thumb

66
Q

Origin, Insertion, Movement

Flexor Digitorum Profundus

A

Coronoid Process and Anteromedial Surface of Ulna > Distal Phalanges of fingers 2-5

Flexes Distal Interphalangeal joints

67
Q

Origin, Insertion, Movement

Pronator Quadratus

A

Distal Poriton of anterior ulnar shaft > Distal Surface of Anterior Radius > Prime Mover of Forearm Pronation

68
Q

Origin, Insertion, Movement

Extensor Carpi Radialis Longus

A

Lateral Supracondylar Ridge of Humerus> Base of 2nd Metacarpal

Extends + Abducts Wrist

69
Q

Origin, Insertion, Movement

Extensor Carpi Radialis Brevis

A

Lateral Epicondyle of Humerus > Base of 3rd Metacarpal

Extends + Abducts Wrist

70
Q

Origin, Insertion, Movement

Extensor Digitorum

A

Lateral Epicondyle of Humerus > Distal Phalanges of Fingers 2-5

Prime Mover of Finger Extension

71
Q

Origin, Insertion, Movement

Extensor Carpi Ulnaris

A

Lateral Epicondyle of Humerus and Posterior Border of Ulna > Base of 5th Metacarpal

Extends Wrist; Adducts Wrist

72
Q

Origin, Insertion, Movement

Extensor Pollicis Longus

A

Dorsal Shaft of Ulna + Interosseous Membrane > Base of Ditstal Phalanx of Thumb

Extension of Thumb, Abduction at wrist

73
Q

Origin, Insertion, Movement

Extensor Pollicis Brevis

A

Dorsal Shaft of Radius > Base of Proximal Phalanx of Thumb

Extension of thumb; Abduction at wrist

74
Q

Origin, Insertion, Movement

Abductor Pollicis Longus

A

Proximal Dorsal Surfaces of Ulna and Radius > 1st metacarpal bone and trapezium

Abducts and extends the thumb

75
Q

Origin, Insertion, Movement

Supinator

A

Lateral Epicondyle of Humerus; Proximal Ulna > Proximal end of radius

Supinates forearm, synergist of Biceps Brachii, Antagonist for Pronator Muscles

76
Q

Origin, Insertion, Movement

Addoctor Pollicis

A

Metacarpal/Carpal Bones > Proximal Phalanx of Thumb

Thumb Adduction

77
Q

Origin, Insertion, Movement

Opponens Pollicis

A

Trapezium and Flexor Retinaculum > 1st Metacarpal

Thumb Opposition

78
Q

Origin, Insertion, Movement

Abductor Pollicis Brevis

A

Transverse Carpal Ligament, Scaphoid and Trapezium > Radial Side of Base of Proximal Phalanx of Thumb

Thumb Abduction

79
Q

Origin, Insertion, Movement

Flexor Pollicis Brevis

A

Flexor Retinaculum, Trapezium, Capitate and ulnar side of 1st metacarpal bone > Radial and Ulnar sides of proximal phalanx of thumb

Flexion and Adduction of Thumb

80
Q

Origin, Insertion, Movement

Illiacus

A

Iliac Fossa, Iliac Crest, Ala of Sacrum > Lesser Trochanter of Femus

Prime Mover for Flexing Thigh

81
Q

Origin, Insertion, Movement

Psoas Major

A

T-Process of Lumbar and T12 Vertebrae > Lesser Trochanter of Femur

Prime Mover of Flexing Thigh, Helps in flexing laterally vertebral column

82
Q

Origin, Insertion, Movement

Sartorius

A

Aterior superior iliac spine > Medial Aspect of Priximal Tibia

Flexes, Abducts, and laterally rotates thigh, Flexes knee, produces the cross legged position

83
Q

Origin, Insertion, Movement

Adductor Magnus

A

Ischial and pubic rami, and ischial tuberosity > Linea aspera and adductor tubercle of femur

Adducts, medially rotates, and flexes thigh; also synergystic to hamstrings in thigh extension

84
Q

Origin, Insertion, Movement

Adductor Longus

A

Pubis near pubic symphysis > Linea Aspera

Adducts, medially rotates, and flexes thigh

85
Q

Origin, Insertion, Movement

Adductor Brevis

A

Body and Inferior Ramus of Pubis > Linea Aspera and Adductor tubercle of femur

Adducts and Medially Rotates Thigh

86
Q

Origin, Insertion, Movement

Pectineus

A

Superior Ramus of Pubis > Lesser Trochanter and Linea Aspera

Adducts, medially rotates, and flexes thigh

87
Q

Origin, Insertion, Movement

Gracilis

A

Inferior Ramus and body of pubis, adjacent ischial ramus > Medial surface of tibia

Adducts, medially rotates, and flexes thigh

88
Q

Origin, Insertion, Movement

Rectus Femoris

A

Anterior Inferior Iliac Spine and superior margin of acetabulum > Patella and Tibial Tuberosity of Tibia

Extends Knee and flexes thigh at hip

89
Q

Origin, Insertion, Movement

Vastus Lateralis

A

Greater Trochanter, Intertrochanteric Line, Linea Aspera > Patella and Tibial Tuberosity of Tibia

Extends and stabilizes knee

90
Q

Origin, Insertion, Movement

Vastus Medialis

A

Linea Asperia, Intertrochanteric and medial supracondylar lines > Patella and Tibial Tuberosity of Tibia

Extends Knee

91
Q

Origin, Insertion, Movement

Vastus Intermedius

A

Anterior and lateral surfaces of proximal femur shaft > Patella and Tibial Tuberosity of Tibia

Extends Knee

92
Q

Origin, Insertion, Movement

Tensor Fasciae Latae

A

Anterior Aspect of Iliac Crest and Anterior Superior Iliac Spine > Ilitibial Tract

Steadies the Knee and Trunk on Thigh by making Iliotibilia Tract Taught, Flexes and Abducts Thigh; Rotates Thigh Medially

93
Q

Origin, Insertion, Movement

Gluteus Maximus

A

Dorsal Ilium, Sacrum and Coccyx > Gluteal Tuberosity of Femur; Iliotibial Tract

Major Thigh Extensor

94
Q

Origin, Insertion, Movement

Gluteus Medius

A

B/w Anterior and posterior gluteal lines of lateral surface of ilium

Greater Trochanter of Femus

Abducts and medially rotates thigh

95
Q

Origin, Insertion, Movement

Gluteus Minimus

A

B/w anterior and inferior gluteal lines on external surface of ilium > Greater Trochanter of Femur

Abducts and medially rotates thigh

96
Q

Origin, Insertion, Movement

Biceps Femoris

A

Inschii Tuberosity, Linea Aspera, Lateral Supracondylar Line, and Distal Femur > Head of Fibula and Lateral Condyle of Tibia

Extends Thigh, Flexes Knee

97
Q

Origin, Insertion, Movement

Semitendinosus

A

Ischial Tuberosity > Medial Aspect of Upper Tibial Shaft

Extends Thigh and Flexes Knee

98
Q

Origin, Insertion, Movement

Semimembranosus

A

Ischial Tuberosity > Medial Condyle of Tibia and Lateral Condyle of Femur > Extends Thigh and Flexes Knee

99
Q

Origin, Insertion, Movement

Tibialis Anterior

A

Lateral Condyle and upper 2/3 of tibial Shaft > Inferior surface of medial cuneiform and first metatarsal

Prime Mover of Dorsiflexion

100
Q

Origin, Insertion, Movement

Extensor Digitorum Longus

A

Lateral Condyle and upper 3/4 of fibular shaft > Medial and Distal phalanges of toes 2-5

Prime Extensor

101
Q

Origin, Insertion, Movement

Fibularis (Peroneus) Longus

A

Head and Upper portion of lateral fibula > First metatarsal and medial cuneiform

Plantar flexes and everts foot

102
Q

Origin, Insertion, Movement

Gastrocnemius (Triceps Surae)

A

Medial and lateral condyle of femur > Posterior Calcaneus

Plantar Flexes Foot

103
Q

Origin, Insertion, Movement

Soleus

A

Superior Tibia and Fibula > Posterior Calcaneus

Plantar Flexes Foot

104
Q

Origin, Insertion, Movement

Popliteus

A

Lateral Condyle of Femor and Lateral Meniscus > Posterior Surface of Tibia

Medial rotation of tibia; lateral rotation of femur; flexion of knee

105
Q

Origin, Insertion, Movement

Tibialis Posterior

A

Superior portion of tibia and fibula; and interosseus membrane > Tarsal and metatarsal bones (2-4)

Prime mover of foot inversion, plantar flexion

106
Q

Origin, Insertion, Movement

Flexor Digitorum Longus

A

Posteriomedial surface of tibia > Distal Phalanges of toes 2-5

Flexes Toes 2-5

107
Q

Origin, Insertion, Movement

Flexor Hallucis Longus

A

Posteromedial surface of fibula > Distal Phalanx of great toe

Flexion of great toe (Push off muscle for walking)

108
Q

Origin, Insertion, Movement

Extensor Digitorum Brevis

A

Calcaneus > Dorsal surfaces of toes 1-4

Extension of metatarsolphalangeal jointes of toes 1-4

109
Q

Origin, Insertion, Movement

Abductor Hallucis

A

Calcaneus > Medial side of proximal phalanx of great toe

Abduction at matatarsophalangeal joint of great toe

110
Q

Origin, Insertion, Movement

Flexor Digitorum Brevis

A

Calcaneus > Sides of middle phalanges, toes 2-5

Flexion at proximal interphalangeal joints of toes 2-5

111
Q

Origin, Insertion, Movement

Flexor Hallucis Brevis

A

Cuboid and lateral cuneiform bones > Proximal phalanx of great toe

Flexion at MTPG joints of great toe

112
Q

Origin, Insertion, Movement

Adductor Hallucis

A

Bases of metatarsal bones 2-4 and plantar ligaments > Proximal phalanx of great toe

Adduction at metatarsophalangeal joint of great toe

A&P 1 (6 decks)

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