OIAN Flashcards
Transverse pectoral
O: 1-3 Sternebrae
I: greater tubercle humerus
A: adduct/ prev abduct
N: cranial pectoral
Descending pectoral: superficial pect.
O: 1st Sternebrae
I: greater tubercle humerus
A: adduct limb no lbs/ prevent abduction with lbs
N: cranial pectoral
Deep pectoral
O: Ventral Sternebrae & fibrous raphe
I: lesser tubercle humerus
A: extend shoulder cranially, draw limb caudally & flex shoulder no lbs, adduct limb
N: caudal pectoral
Brachiocephalicus
O: clavicular intersection
I: -
A: draw head & neck to side; adv limb; ext shoulder
N: Accesory N & Ventral branches of cervical nerves
Cleidobrachialis
O: same
I: distal humerus
A: same
N: same
Cleidocephalicus pars cervicalis
O:
I: dorsal midline of neck
A:
N:
Cleidocephalicus pars mastoidea
O:
I: mastoid process of temporal bone (chew)
A:
N:
Sternocephalicus
O: 1st sternebra
I: mastoid part of temporal bone & nuchal crest
A: draw head & neck to side
N: accessory N & ventral branches of cerv. spinal nerves
Sternohyoideus
O: 1st sternebra & 1st costal cartilage
I: basihyoid bone
A: pull tongue & larynx caudally
N: ventral branches of CSN
Sternothyroideus
O: 1st costal cartilage
I: Caudolateral surface of thyroid cartilage
A: pull tongue & larynx caudally
N: ventral branches of CSN
Omotrandversarius
O: distal scapular spine
I: transverse wing of atlas
A: adv limb of flex neck laterally
N: accessory
Trapezius
O: median raphe of neck; supraspinous ligament
I: scapular spine
A: elevate & abduct limb
N: accessory N
Rhomboideus: capitis/cervics/thoracis
O: nuchal crest, median raphe of neck, T1-7 process
I: dorsal border & adj surfaces of scapula
A: elevate limb, draw scapula against body
N: ventral branches of cervical spinal nerves
Latissimus dorsi
O: thoracolumnar fascia; T7-8
I: teres major tuberosity
A: draw limb causally; flex shoulder
N: thoracodorsal
Serratus ventralis cervicis/thoracicus
O: transverse process of C3-7; 1-8 ribs
I: serrated face of scapula
A: support trunk, depress scapula
N: VB CSN; long thoracic N
