Anatomy quiz origin, insertion, action, innervation, arterial supply

dorsal median raphe of neck

platysma origin

muscle fibers surrounding lips, skin of cheek

platysma insertion

draws lips caudally

platysma action

facial artery

platysma arterial supply

facial nerve

platysma innervation

superficial fascia of trunk

cutaneous trunci origin

skin of trunk

cutaneous trunci insertion

twitches skin

cutaneous trunci action

lateral thoracic artery

cutaneous trunci arterial supply

lateral thoracic nerve

cutaneous trunci innervation

first three sternebrae, fibrous raphe between adjacent muscle

descending superficial pectoral origin

crest of greater tubercle (humerus)

descending superficial pectoral insertion

adduct forelimb, prevent abduction

descending superficial pectoral action

external thoracic artery

descending superficial pectoral arterial supply

cranial pectoral nerve

descending superficial pectoral innervation

first three sternebrae, fibrous raphe between adjacent muscle

transverse superficial pectoral origin

crest of greater tubercle (humerus)

transverse superficial pectoral insertion

adduct forelimb, prevent abduction

transverse superficial pectoral action

external thoracic artery

transverse superficial pectoral arterial supply

cranial pectoral nerve

transverse superficial pectoral innervation

ventral sternum, fibrous raphe of ventral midline, deep abdominal fascia of xiphoid

deep pectoral origin

lesser tubercle (humerus)

deep pectoral insertion

draw trunk cranially/extend shoulder joint, draw limb caudally

deep pectoral action

lateral thoracic artery

deep pectoral arterial supply

caudal pectoral nerve

deep pectoral innervation

clavicular intersection

cleidobrachialis origin

cranial, distal humerus

cleidobrachialis insertion

advance limb, extend shoulder, draw head/neck to side

cleidobrachialis action

superficial cervical artery

cleidobrachialis arterial supply

accessory nerve, ventral branches of cervical nerve

cleidobrachialis innervation

clavicular intersection

cleidocephalicus cervicalis origin

cranial half of mid-dorsal fibrous raphe

cleidocephalicus cervicalis insertion

advance limb, extend shoulder, draw head/neck to side

cleidocephalicus cervicalis action

superficial cervical artery

cleidocephalicus cervicalus arterial supply

accessory nerve, ventral branches of cervical nerve

cleidocephalicus cervicalus innervation

clavicular intersection

cleidocephalicus mastoideus origin

mastoid process of temporal bone

cleidocephalicus mastoideus insertion

advance limb, extend shoulder, draw head/neck to side

cleidocephalicus mastoideus action

superficial cervical artery

cleidocephalicus mastoideus arterial supply

accessory nerve, ventral branches of cervical nerve

cleidocephalicus mastoideus innervation

distal spine of scapula (acromial end)

omotransversarius origin

wing of atlas (transverse process)

omotrasnversarius insertion

advance limb, flex neck laterally

omotransversarius action

superficial cervical artery

omotransversarius arterial supply

accessory nerve, cervical spinal nerve

omotransversarius innervation

first sternebra

sternocephalicus origin

mastoid part of temporal bone and nuchal crest of occipital bone

sternocephalicus insertion

draw head/neck to one side

sternocephalicus action

superficial cervical artery

sternocephalicus arterial supply

accessory nerve, ventral branches of cervical nerve

sternocephalicus innervation

first sternebra, first costal cartilage

sternohyoideus origin

basihyoid bone

sternohyoideus insertion

pull tongue and larynx caudally

sternohyoideus action

superficial cervical artery

sternohyoideus arterial supply

ventral branches of cervical nerve

sternohyoideus innervation

first costal cartilage

sternothyroideus origin

caudolateral surface of thyroid cartilage

sternothyroideus insertion

draw larynx and tongue caudally

sternothyroideus action

cranial thyroid artery

sternothyroideus arterial supply

ventral branches of cervical nerve

sternothyroideus innervation

median raphe of neck

trapezius cervical origin

spine of scapula

trapezius cervical insertion

elevate and abduct forelimb

trapezius cervical action

superficial cervical artery

trapezius cervical arterial supply

accessory nerve

trapezius cervical innervation

supraspinous ligament

trapezius thoracic origin

spine of scapula

trapezius thoracic insertion

elevate and abduct forelimb

trapezius thoracic action

superficial cervical artery

trapezius thoracic arterial supply

accessory nerve

trapezius thoracic innervation

nuchal crest of occipital bone

rhomboideus capitis origin

dorsal border of scapula

rhomboideus capitis insertion

elevate forelimb, draw scapula against trunk

rhomboideus capitis action

superficial cervical artery

rhomboideus capitis arterial supply

ventral branches of cervical nerve

rhomboideus capitis innervation

median raphe of neck

rhomboideus cervicis origin

dorsal border of scapula

rhomboideus cervicis insertion

elevate forelimb, draw scapula against trunk

rhomboideus cervicis action

superficial cervical artery

rhomboideus cervicis arterial supply

ventral branches of cervical nerve

rhomboideus cervicis innervation

spinous processes of T1-T7

rhomboideus thoracis origin

dorsal border of scapula

rhomboideus thoracis insertion

elevate forelimb, draw scapula against trunk

rhomboideus thoracis action

superficial cervical artery

rhomboideus thoracis arterial supply

ventral branches of thoracic nerve

rhomboideus thoracis innervation

thoracolumbar fascia from spinous processes of thoracic and lumbar vertebrae, last rib

latissimus dorsi origin

teres major tuberosity

latissimus dorsi insertion

draw limb caudally, flex shoulder

latissimus dorsi action

thoracodorsal artery

latissimus dorsi arterial supply

thoracodorsal nerve

latissimus dorsi innervation

transverse processes of C3-C7

serratus ventralis cervicis origin

serrated face of scapula

serratus ventralis cervicis insertion

support trunk, depress scapula, carry trunk between forelimbs

serratus ventralis cervicis action

superficial cervical artery

serratus ventralis cervicis arterial supply

long thoracic nerve

serratus ventralis cervicis innervation

ribs 1-8 ventral to their middle

serratus ventralis thoracis origin

serrated face of scapula

serratus ventralis thoracis insertion

support trunk, depress scapula, carry trunk between forelimbs

serratus ventralis thoracis action

lateral thoracic artery

serratus ventralis thoracis arterial supply

long thoracic nerve

serratus ventralis thoracis innervation