Origins 2 Flashcards
M. sternocephalicus
It arises as a unit on the manubrium sterni
M. Sternomastoideus (eq – missing)
manubrium
M.sternooccipitalis (ca)
manubrium
M. cleidocephalicus
Clavicular tendon/clavicular intersection/vestigial clavicle
M. cleidomastioideus, cleidocervicalis (ca) and cleidooccipitalis (ru and su)
Clavicular tendon/clavicular intersection/vestigial clavicle
M. trapezius thor and cerv.
From the third cervical vertebra to the ninth thoracic vertebra
M. rhomboideus thor.
Spinous process of the fourth to seventh thoracic vertebrae
M. rhomboideus capi. (ca and su)
Tendinous raphe of the neck and the occipital bone
M. rhomboideus cerv.
Dorsal median raphe of the neck near C2-C3 (car, su) or ligamentum nuchae (ru, eq)
M. latissimus dorsi
From the spinous processes of the lumbar vertebrae and the last seven or eight thoracic vertebrae
M. omotransversarius (eq – missing)
Distal portion of the scapular spine
M. omohyoideus
Subscapular fascia (su and eq), fascia lateral to middle cervical vertebrae (ru)
M. pectoralis superficialis trans and desc.
Paramedially on the cranial end of the sternum
M. pectoralis profundus asce.
First to last sternebra
M. scalenus ventralis (onlu ru) and medius
Middle portion of first rib
M. scalenus dorsalis
3rd rib (su), 45th rib (ru), two heads on from 3-5th rib of 8-9th ribs in carnivores
M. rectus thoracis
First rib
M. serratus ventralis thor.
Facies serrata of the scapula
M. serratus dorsalis - crani.
The thoracolumbar fascia and spines of the first six to eight thoracic vertebra
M. serratus dorsalis - cauda.
Thoracolumbar fascia
M. levatores costarum
Transverse processes of the first through twelfth thoracic vertebrae