Head and Neck

Question 1

Masseter

Answer 1

O- Facial crest & Zyg. arch
I- Ramus of the mandible
In- Masticatory n
F- Raise manible (mastication)

Question 2

Temporalis

Answer 2

O- Temporal fossa & medial surface of the zygomatic arch
I- Coronoid process of mandible
In- Masticatory n
F- elevate mandible (mastication)

Question 3

Rectus capatis dorsalis

Major & Minor

Answer 3

O- SP's axis (Major)
     Dorsal arch of the atlas (Minor)
I- Nuchal crest (Major)
   Occipital bone (Minor)
In- Dorsal br of C1
F- Elevate head

Question 4

Obliquus capatis

Cranialis & Caudalis

Answer 4

O- Ventral surface of the atlas (Cranialis)
SP’s of axis (Caudalis)
I- Nuchal crest and mastoid process (Cranialis)
Wing of atlas (Caudalis)
In- Dorsal br of C1
F- Extends and laterally flexes the head (Cranailis)
Rotates head (Caudalis)

Question 5

Rhomboideus

Answer 5

O- Nuchal & dorsoscapular lig from C1-T8
I- Medial scapular cartilage
In- Medioventral br of local thoracic and cervical n
F- Draws scapular cranially & dorsally
    Elevates neck

Question 6

Splenius

Answer 6

O- SP’s T3-5 (via thoracolumbar fascia/Nuchal lig)
I- Nuchal crest & Mas. proc C2-5
In- Dorsal br of local spinal n & Accessor n
F- Elevate, extends and laterally bends head & neck

Question 7

Sternocephalicus

Answer 7

O- Mandibrium sterni
I- Caudal border of mandible
In- Ventral branch of the accessory n
F- Opens mouth
    Flexes & inclines head & neck

Question 8

Sternothydroideus

Answer 8

O- Mandibrium sterni
I- Thyroid cartilages of the larynx
In- spinal n C1
F- Retract larynx
    Synergist to Sternohyoideus

Question 9

Sternohyoideus

Answer 9

O- Mandibrium sterni
I- Lingual process of basihyoid bone
In- Spinal n C1
F- Retract basihyoid and tongue
    Synergist to sternothyroideus

Question 10

Omohyoideus

Answer 10

O- Subscapular fascia
I- Lingual process of basihyoid bone
In- Spinal n C1
F- Retract basihyoid and tongue
    Synergist to sternohyoideus

Question 11

Brachiocephalicus

Cleidomastoideus & Cleidobrachialis

Answer 11

O- Clavicle intersection
I- Mastoid proc of temp bone (ClMas)
   Crest of the humerus (ClBr)
In- Ventral br of accessory n (ClMas)
     Axillary n (ClBr)
F- Flexes head and neck (ClMas)
    Protract Limb (both)

Question 12

Omotransversarius

Answer 12

O- Shoulder fascia
I- TP's C2-4
In- Local cervical n
F- Protracts limb
    Laterally bends necks