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91 Cards in this Set
- Front
- Back
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Superficial Pectoral Descending part |
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Superficial Pectoral Transverse part |
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Deep Pectoral |
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Descending superficial pectoral origin |
first sternebra |
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descending superficial pectoral insertion |
crest of greater tubercle of humerous |
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superficial pectoral action |
adduct limb when not bearing weight prevent limb from being abducted when bearing weight |
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transverse superficial pectoral origin |
first 2-3 sternebrae and fibrous raphe between adjacent muscles |
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transverse superficial pectoral insertion |
crest of greater tubercle of humerous |
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deep pectoral origin |
ventral part of sternum fibrous raphe between deep pectoral muscles deep abdominal fascia in the region of the xiphoid cartilage |
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deep pectoral insertion |
main part: lesser tubercle of humerous lesser parts: greater tubercle and crest by an aponeuosis, caudal part inserts on medial brachial fascia |
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deep pectoral action |
when limb is advanced and fixed, pulls trunk cranially when limb is not supporting weight, draws limb caudally adducts limb supports trunk |
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Superficial pectorals
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Deep Pectorals |
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A. pectoantebrachialis B. Xiphihumeralis |
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B. Brachiocephalicus 1. Cleidomastoideus 2. Cleidocervicalis 3. Clavicular Intersection 4. Cleidobrachialis |
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Clavicular intersection |
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Cleidobrachialis (Brachiocephalicus) |
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Cleidochephalicus (Brachiocephalicus) |
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Cleidomastoideus (Brachiocephalicus) |
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Brachiocephalicus Cleidocephalicus Cleidomastoideus Origin |
Clavicular intersection |
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Brachiocephalicus Cleidocephalicus Cleidocervicalis Origin |
Clavicular intersection |
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Brachiocephalicus Cleidobrachialis Origin |
Clavicular intersection |
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Brachiocephalicus Cleidocephalicus Cleidomastoideus Insertion |
Mastoid part of temporal bone of skull |
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Brachiocephalicus Cleidocephalicus Cleidocervicalis Insertion |
cranial half of median raphe of neck |
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Brachiocephalicus Cleidobrachialis Insertion |
distal end of cranial border of humerous (dog) medial surface of ulna (cat) fascial attachment to axilla |
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Brachicephalicus Action |
advance limb extends shoulder joint draws neck from side to side |
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A. Cleidocephalicus B. Cervical intersection C. Cleidobrachialis |
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D. Sternocephalicus 1. Sterno-occipitalis 2. Sternomastoideus |
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Sternocephalicus A. Sterno-occipitalis B. Sternomastoideus |
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Sternocephalicus Sterno-occipitalis Origin |
First stenebra (manubrium) |
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Sternocephalicus Sterno-occipitalis Insertion |
Nuchal cresst of occipital bone of skull |
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Sternocephalicus action |
draw head and neck to the side |
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Sternocephalicus Mastoideus Origin |
First sternebra (manubrian) |
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Sternocephalicus Mastoideus Insertion |
Mastoid part of temporal bone of skull |
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Sternocephalicus |
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Sternohyoideus |
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A. Sternothyroideus B. Sternohyoideus C. Sternocephalicus |
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Sternohyoideus Origin |
First sternebra (manubrium) and first costal cartilage |
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Sternohyoideus Insertion |
Basihyoid bone |
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Sternohyoideus Action |
draw larynx and tongue caudally |
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Sternothyroideus Origin |
First Costal Cartilage |
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Sternothyroideus Insertion |
Caudolateral surface of thyroid cartilage |
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Sternothyroideus action |
draw larynx and tongue caudally |
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Omotransversarius |
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1. Trapezius 2. Omotransversarius |
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Omotransversarius |
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Omotransversarius |
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Omotransversarius Origin |
Distal end of spine of scapula and acromion |
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Omotransversarius Insertion |
Wing of atlas basioccipital bone, near tympanic bulla (cat) |
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Omotransversarius Action |
advance limb flex neck laterally |
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A. Trapezius B. Cervical Part C. Thoracic Part |
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Trapezius Cervical Part Origin |
Median raphe of neck |
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Trapezius Insertion |
Spine of Scapula |
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1. Trapezius cervicis action 2. Trapezius thoracis action 3. together |
1. draw scapula dorsocranially 2. draw scapula dorsocaudally 3. both together: elevate and abduct forearm |
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Trapezius Thoracic part Origin |
Spurapinous ligament to level of 9th thoracic vertebra |
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B. Rhomboideus 1. Rhomboideus Capitis 2. Rhomboideus Cervicis 3. Rhomboideus Thoracis |
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A. Rhomboideus Capitis B. Rhomboideus Cervicis C. Rhomboideus Thoracis |
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1. Rhomboideus A. Capitis B. Cervicis C. Thoracis 2. Trapezius |
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Rhomboideus Insertion |
dorsal border and adjacent surfaces of scapula |
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Rhomboideus action |
elevate forelimb and draw scapula against trunk |
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Rhomboideus capitis origin |
nuchal crest of occipital bone |
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Romboideus cervicis origin |
median fibrous raphe of neck |
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Romboideus thoracis origin |
spinous processes of first seven thoracic vertebrae |
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Latissimus dorsi |
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1. Latissimus dorsi 2. Thoracolumbar fascia |
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Latissimus dorsi origin |
Thoracolumbar fascia (T7-L7 in dogs, T4-L6 in cats) Muscular attachment to last 2 or 3 ribs |
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Latissimus dorsi insertion |
teres major tuberosity of humerus and teres major tendon |
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Lattisimus dorsi action |
draw limb caudally flex shoulder joint |
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Serratus ventralis |
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D. Serratus ventralis 1. Cervicis part 2. Thoracis part |
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A. Scapula B. Trapezius C. Rhomboideus D. Serratus ventralis E. Deep pectorals |
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Serratus ventralis cervicis origin |
transverse processes of 2nd to 7th cervical vertebrae |
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Serratus ventralis thoracis origin |
first 7 or 8 ribs ventral to their middle (dog) first 9-10 ribs (cat) |
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Serratus ventralis insertion |
dorsomedial third of scapula (serrated face) |
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Serratus ventralis action |
support trunk depress scapula |
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pecotantebrachialis origin |
manubrium |
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pectoantebrachialis insertion |
antebrachium: superficial fascia on proximal end of the antebrachium, attaches to ulna |
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pectoantebrachialis action |
draws limb medially (adducts) |
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xiphihumeralis origin |
xiphoid process |
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xiphihumeralis insertion |
humerous: long thin tendon on proximal end of humerous deep to insertion of deep pectoral muscle |
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Superficial pectoral innervation |
cranial pectoral nn. |
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Deep pectoral innervation |
caudal pectoral nn. |
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Brachiocephalicus innervation |
accessory n. ventral branches of cervical spinal nn. |
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Omotransversarius innervation |
Accessory n. |
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Trapezius innervation |
Accessory n. |
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Rhomboideus innervtion |
ventral brs. of cervical AND thoracic spinal nn. |
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Latissimus dorsi innervation |
thoracodorsal n. |
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Seratus ventralis innervation |
ventral brs of cervical spinal nn. long thoracic n.
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Sternocephalicus innervation |
accessory n. ventral brs. of cervical spinal nn. |
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Sternohyoideus innervation |
ventral brs. of cervical spinal nn. |
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Sternothyroideus innervation |
ventral brs. of cervical spinal nn. |