Head and poll, dorsal and ventral neck Flashcards
Masseter
O: Facial crest and zygomatic arch
I: Ramus of mandible
I: Masticatory from mandibular
F: Mastication, Elevates mandible
Temporalis
O: Temporal fossa and medial zygomatic arch
I: Coronoid process
I: Masticatory
F: Mastication
Rectus capitis dorsalis MJ/ MIN
O: MJ= Sp axis; MIN= Dorsal arch atlas
I: Nuchal crest
I: Dorsal Br C1
F: Elevate head
Rectus capitis Lateralis
O: Wing of atlas
I: Jugular process
I: Ventral br c1
F:Lateral flex AO
Rectus capitis ventralis
O: Ventral axis
I: Basioccipital bone
I:Ventral br c1
F: Ventral flex AO
Obliquus capitis cranialis
O: Ventral surface WOA
I: NC and MP
I: Dorsal br c1
F: Ext head or flex lateraly
Obliquus Capitis Caudalis
O: Spinous processes axis
I: WOA
I: Dorsal brance c2
F: rotate atlas and head to side
Rhomboideus
O: Nuchal and dorsoscapular ligs c2-t8
I: medial scapular cartilage
I: Long thoracic and cervical
F: Elevates neck, draws scapular craniodorsally
Serratus ventralis cervicis
O: TPs C4-7
I: Facies serrata and medial scap cartilage
I: ventral br local cervical
F: suspend trunk, raise neck, inspiration
Trapezius
O: Nuchal and supraspinous ligaments c2-t10
I: c: entire ss; t : dorsal 1/3 ss
I: D br accessory
F: Elevates shoulder, scap cranio/caudo dorsally
Longissimus atlantis et capitis
O: TP t1-2 and AP C3-7
I: A: WOA, C: MP
I: D br local spinal
F: Uni: rot and lat flex BI: ele head
Semispinalis capitis
O: TP of c3-t7, tlf and APc3-7
I: Occipital bone
I: D br local spinal
F: Uni: rot and lat BI: ext poll and neck
Splenius
O: Sp T3-5 tlf, nuchal lig
I: NC, MP SP C2-5
I: D br c3-c8 and d br accessory
F: elev/ext and lat bends head and neck
Sternocephalicus
O: Sternum/manubrium
I: Caudal mandible
I: V Br accessory
F: Open mouth, flex or incline to side of
Brachiocephalicus
O: Crest of humerus
I: MP
I: Accessory and axillary
F: Flex, lat, protract