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Head Neck Thorax Abdomen > Head Neck Thorax Abdomen > Flashcards

Head Neck Thorax Abdomen Flashcards

(51 cards)

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1
Q

Temporalis

A

Origin: Temporal Fossa of Parietal bone
Insertion: Coronoid Process of the Mandible
Innervation: V3 Mandibular Nerve
Function: Mastication

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2
Q

Medial Pterygoid

A

Origin: Deep head - medial side of lateral pterygoid plate
Superficial head - pyramidal process of th palatine
Insertion: Medial Angle of Mandible
Innervation: Mandibular Branch of CN5 Trigeminal
Function: elevates mandible, closes jaw (mastication)

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3
Q

Mylohyoid

A

Origin: Inferior Mental Spine line on the mandible
Insertion: Inferio
Innervation: V3 mandibular
Function: Elevation of hyoid (swallowing)

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4
Q

Steronohyoid

A

Origin: hyoid bone
Insertion: manibrium of sternum
Innervation: Ansa Cervicalis (C1-C3) superior branch
function: depresses the hyoid (swallowing)

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5
Q

Trapezius

A

origin: spinous processes of vertebrae C1-T12
insertion: superior fibres- external occipital protuberance, nuclei line of occipital bone
Middle fibres - lateral 1/3 of scapula
inferior fibres - acromion and spine of scapula
Innervation: Accessory nerve
Function: Rotation, retraction, depression and elevation of the scapula

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6
Q

Pectoralis major

A

Origin: Clavicular head - anterior border of medial part of clavicle
Insertion: inter tubercular groove of humerus
Innervation: Lateral and Medial pectoral nerves
Function: Adducts and medially rotates the humerus

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7
Q

Stylohyoid

A

Origin: Styloid process
Insertion: Hyoid
Innervation: CN 7 Facial
Function: Elevates hyoid (swallowing)

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8
Q

Trapezius

A

Origin: Spinous processes of vertebrae C1- T12
Insertion:
superior fibres - Exernal occipital protuberance (occipital bone), lateral 1/3 of clavicle
Middle fibres - acromionof scapula
inferior fibres - spine of scapula
Innervation: Accessory Nerve
Function: Rotation, elevation and depression of the scapular

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9
Q

Pectoralis Minor

A

Origin: third to fifth ribs
Insertion: Coracoid process of scapula
Nerve: Medial pectoral nerve
Function: Inspiration

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10
Q

Mylohyoid

A

Origin: mylohyoid line on the mandible
Insertion: Hypoid bone
Nerve: V3 Mandibular
Function: Elevation of the hyoid (swallowing) and tongue

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11
Q

Sternocleiomastoid

A

origin: manibrium of clavicle
insertion: mastoid process of the temporal bone
Nerve: Motor- CN11 Accessory Nerve
Sensory- Cervical Plexus C1-C4
Function:
Unilaterally - cervical rotation to opposite side
Bilaterally - cervical flexion

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12
Q

Geniohyoid

A

Origin: inferior mental spine (genial tubercle) on mandible
Insertion: Hyoid bone
Nerve: C1
Function: elevates hyoid bone, swallowing

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13
Q

Digastric

A

Origin: Anterior belly- diagastric fossa of the mandible
Posterior belly - mastoid process of temporal bone
Insertion: intermediate tendon on hyoid bone
Nerve:
Function: Anterior belly: V3
Posterior belly: V7
Function: Opens the Jaw

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14
Q

Sternothyroid

A

Origin: manibrium of sternum
Insertion: thyroid cartilidge
Nerve: Ansa Cervicalis
Function: Depresses the thyroid cartilage

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15
Q

Thyrohyoid

A

Origin: Thyroid cartilidge
Insertion: Hyoid bone
Nerve: Ansa Cervicalis
Funciton: Elevates the thyroid and depresses the hyoid

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16
Q

Omohyoid

A

Origin: Upper border of the scapula
Insertion: Hyoid Bone
Nerve: Ansa Cervicalis
Function: Depresses hyoid bone, Also carries hyoid backwards and to the side

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17
Q

Masseter

A

Origin: Zygomatic arch of Maxilla
Insertion: Ramus of mandible
Nerve: Mandibular V3
Function: Retraction of mandible, elevation of mandible (closing the mouth)

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18
Q

Epicranius or occipialfrontalis (fronal belly)

A

Origin: Gala Apaneurotica
Insertion: Orbicularis occuli
Nerve: Facial CN7
Actions: Raises eyebrows, wrinkles forehead

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19
Q

Epicranius or occipitalfrontalis (occipital belly or occipitalis muscle)

A

Origin: Superior Nucal line on occipital bone, mastoid process of the temporal bone
Insertion: Gala aponeurotica
Nerve: CN7
Actions: Moves the scalp back

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20
Q

Procerus

A

Origin: Nasal bone
Insertion: Skin between the eyebrows
Nerve: CN7
Action: Frowing

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21
Q

Orbicularis Occuli

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A

Origin: Frontal bone, lactimal bone
Insertion: Lateral palpebral raphae (eyelid)
Nerve: CN7
Action: Closes eyes

22
Q

Buccinator

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A

Origin: Alveolar processes of maxilla
Insertion: fibres of orbicularis Doris
Nerve: CN7
Action: Mastication

23
Q

Risorius

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A

Origin: Parotid fascia
Insertion: Modiolus
Nerve: CN7
Action: Draws back angle of mouth

24
Q

Orbicularis Oris

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A

Origin: Maxilla and Mandible
Insertion: Skin around the lips
Nerve CN7
Action: Blowing, puckering

25
Mentalis
Origin: Anterior mandible Insertion: Chin Nerve: CN7 Action: elevates and wrinkles skin of the chin, protrudes lower lip
26
Rectus Capitis Anterior
Origin: Atlas Insertion: Basilar part of occipital bone Nerve: C1-2 Action: Flexion of neck at Atlanto-occipital joint
27
Rectus Capitis Lateralis
Origin: transverse process of the Atlas Insertion: Occipital bone Nerve: C1-C3 Action: Stabilises Atlanto-occipital joint
28
Rectus Capitis Posterior Major
Origin: Spinous Process of the Atlas Insertion: Inferior Nuchal Line of the Occipital bone Nerve: C1 Action: Rotation of the head
29
Rectus Capitis Posterior Major
Origin: Spinous Process of the Atlas Insertion: Inferior Nuchal Line of the Occipital bone Nerve: C2 Action: Rotation of the head
30
Oblique capitis inferior
Origin: Spinous proces of the Axis Insertion: Lateral mass of the Atlas Nerve: C1 Action: Extension of head
31
Obliquus capitis superior
Origin: Lateral mass of the Atlas Insertion: Inferior Nuchal Line of the occipital bone Nerve: C1 Action: Extension of head
32
Longus Capitis
Origin: Transverse processes of Cervical vertebrae 3-6 Insertion: Posterior part of the occipital bone Nerve: Ansa Cervicalis Action: Flexion of the head (pulls neck backwards)
33
Longus Colli
Origin: Transverse processses C5-T3 Insertion: Anterior Arch of the Atlas Nerve: C2 C6 Action: flexion of neck and head
34
Platysma
Origin: Orbicularis oris, mandible Insertion: Clavicle Nerve: CN7 Action: Tightens skin of neck, corners of mouth
35
Serratus Anterior
Origin: Ribs 8 and 9 Insertion: Medial Border Scapular Nerve: Long Thoracic Nerve Action: Protraction Scapular
36
Rhomboid Major
Origin: C7 to T5 spinous processes Insertion: Medial Border of the Scapula Nerve: Dorsal Scapular Action: Retracts and Rotates Scapula
37
Rhomboid Minor
Origin: C7 T1 Spinous processes Insertion: Medial Border of the Scapula Nerve: Dorsal Scapular Nerve Action: Retracts and rotates scapula
38
Rectus Abdominis
Origin: Crest of Pubis Insertion: Xiphoid process and costal cartilage 5-7 Nerve: Thoraco-abominal Nerves T7-T11 Action: Flextion of the lumbar spine
39
Internal Oblique
Origin: Inguinal Ligament and Iliac crest insertion: Linea Alba (via conjoint tendon) Nerve: Thoraco-abdominal nerve T7-T11, Ilioinguinal L1 Action: Compresses abdomen Unilateral action - rotates vertebral column to same side
40
External Oblique
Origin: Ribs 5-12 Insertion: Pubic Crest and Tubercle, Linea Alba Nerve: Thoraco-abdominal nerve Action: Contralateral rotation of torso
41
Pyramidalis
Origin: pubic Symphesis and pubic crest Insertion: Linea Alba Nerve: T12 Action: tenses the linae alba
42
Cremaster
Origin: Inguinal Ligament Insertion: Tunica Vaginalis Nerve: Genital Branch of genito-femoral nerve Action: Raises and lowers the scrotum
43
Intercostal Muscles
External Intercostal Internal Intercostal Innermost Intercostal Origins: ribs 1-11 Insertions: ribs 2-12 Innervations: Intercostal Nerve (branch from internal thoracic) Functions: Elevation or depression of the ribs
44
Extrinsic muscles of the tongue
Genioglossus, hyoglossus, styloglossus, palatoglossus
45
Intrinsic muscles of the tongue
Superior longitudinal, inferiot longitudinal, transverse, vertical
46
Masticatory muscles
Temporalis, medial pterygoid, lateral pterygoid, masseter
47
Scalene muscles
``` Anterior, middle and posterior Origin: Cervical Vertebrae 3-6 Insertion: first and second ribs Nerve: C3-C6 Actions: elevates first and second ribs ```
48
Semispinalis capitis
Origin: Transverse processes of lower cervical and higher thoracic vertebrae Insertion: Between Inferior and Superior Nuccal lines occipital bone Nerve: Occipital Nerve Actions: Extension of the head (moves it backwards)
49
Semispinalis cervicis (semispinalis collis)
Origin: Transverse processes of Thoracic vertebra T1-6 Insertion: Spinous processes of Cervical vertebae, Axiz-C5
50
Transversospinalis group
Semispinalis thoracis Semispinalis Cervicalis Semispinalis Capitis Origins: Transverse processses Insertions: Spinous processes O Nerve Action: Extension of vertebral column (arching of the back)
51
Splenis Capitis
Origin: Insertion: Nerve Action: Moves head from side to side

Head Neck Thorax Abdomen (1 decks)

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