Origin
What is the origin of the Superficial pectoral muscle?
Cranial part of sternum
What is the insertion for the superficial pectoral muscle?
Crest of greater tubercle
What is the action of the superficial pectoral muscle?
Adduct the thoracic limb
What are the 2 insertions of the sternocephalicus muscle?
Mastoid process of temporal bone
Nuchal crest of occipital bone
What is the action of the sternocephalicus muscle?
Depress head and neck;draw head and neck laterally
What is the origin of the Deep pectoral muscle?
Sternum
What is the insertion of the deep pectoral muscle?
Greater and lesser tubercles of humerus
Adduct thoracic limb and pull it caudally
What is the insertion of the sternothyroideus muscle?
Thyroid cartilage
What is the action for the sternohyoideus muscle as well as the sternothyroideus muscle?
Pull tongue and larynx caudally
What is the origin of the brachiocephalicus muscle?
Clavicular intersection
Distal cranial humerus, mastoid process of temporal bone, dorsal midline of back
What is the action of the brachiocephalicus muscle?
Pull thoracic limb cranially (and/or) depress and pull head and neck laterally
What is the insertion of the sternohyoideus?
Basihyoid bone
What is the origin for the latissimus dorsi muscle?
Thoracolumbar fascia
Where is the attachment for the cranial most of the omotransversarius muscle? What about the caudal most?
Cranial = Wing of the atlas
Caudal = Distal spine of the scapula
What is the action of the omotransversarius muscle?
Pull thoracic limb cranially (and/or) depress and pull head and neck laterally
What is the origin of the sternocephalicus muscle?
Sternum (manubrium)
What is the insertion of the latissimus dorsi muscle?
Teres major tuberosity
What is the action of the latissimus dorsi muscle?
Draw the thoracic limb caudally