Forelimb Muscles - Origin, Insertion, Action, Innervation,
Arterial Supply UPDATED ACTUAL Questions and
CORRECT Answers
Origin - Cutaneous Trunci Superficial fascia of thorax and abdomen
Insertion - Cutaneous Trunci Attaches in superficial fascia of trunk and skin
Innervation - Cutaneous Trunci Lateral thoracic nerve
Action - Cutaneous Trunci Twitch skin
Insertion - Descending pectoral Crest of the greater tubercle of the humerus
Origin - Descending pectoral First sternebrae
Innervation - Descending pectoral Cranial pectoral nerve
Action - Descending pectoral Adduct thoracic limb
Arterial supply - Descending pectoral External thoracic
Origin - Transverse pectoral First 2 or 3 sternebrae
Insertion - Transverse Pectoral Crest of the greater tubercle of the humerus
Innervation - Transverse pectoral Cranial pectoral
, Action - Transverse pectoral Adduct thoracic limb
Arterial supply - Transverse pectoral External thoracic
Origin - Deep pectoral Ventral part of the sternum and fibrous raphe between the pectoral muscles, and
deep abdominal fascia in the xiphoid cartilage
Insertion - Deep pectoral Major portion is attached to the lesser tubercle of the humerus, caudal portion is
attached to medial brachial fascia
Innervation - Deep pectoral Caudal pectoral nerve
Action - Deep pectoral Adduct thoracic limb and pull it caudally
Arterial supply - Deep pectoral Lateral thoracic
Origin - Cleidocephalicus Clavicular intersection
Insertion - Cleidocephalicus (pars cervicalis) Cranial haf of the mid-dorsal fibrous raphe and the nuchal crest of the occipital
bone
Insertion - Cleidocephalicus (pars mastoideus) Mastoid part of the temporal bone to the sternomastoideus muscle
Innervation - Cleidocephalicus Accessory nerve
Arterial supply - Cleidocephalicus Superficial cervical artery
Origin - Cleidobrachialis Clavicular intersection
Insertion - Cleidobrachialis Attaches to the distal end of the cranial border of the humerus with a fascial tie
into the axilla
Innervation - Cleidobrachialis Accessory nerve
Arterial supply - Cleidobrachialis Superficial cervical artery
Origin - Sternocephalicus First sternebra
Insertion - Sternocephalicus (pars mastoidea) Mastoid part of temporal bone
Insertion - Sternocephalicus (pars occipitalis) Nuchal crest of occipital bone
Innervation - Sternocephalicus Accessory nerve
Action - Sternocephalicus Draw head and neck to the side
Action - Cleidocephalicus Advance limb, extend shoulder, pull head and neck to the side
Arterial Supply UPDATED ACTUAL Questions and
CORRECT Answers
Origin - Cutaneous Trunci Superficial fascia of thorax and abdomen
Insertion - Cutaneous Trunci Attaches in superficial fascia of trunk and skin
Innervation - Cutaneous Trunci Lateral thoracic nerve
Action - Cutaneous Trunci Twitch skin
Insertion - Descending pectoral Crest of the greater tubercle of the humerus
Origin - Descending pectoral First sternebrae
Innervation - Descending pectoral Cranial pectoral nerve
Action - Descending pectoral Adduct thoracic limb
Arterial supply - Descending pectoral External thoracic
Origin - Transverse pectoral First 2 or 3 sternebrae
Insertion - Transverse Pectoral Crest of the greater tubercle of the humerus
Innervation - Transverse pectoral Cranial pectoral
, Action - Transverse pectoral Adduct thoracic limb
Arterial supply - Transverse pectoral External thoracic
Origin - Deep pectoral Ventral part of the sternum and fibrous raphe between the pectoral muscles, and
deep abdominal fascia in the xiphoid cartilage
Insertion - Deep pectoral Major portion is attached to the lesser tubercle of the humerus, caudal portion is
attached to medial brachial fascia
Innervation - Deep pectoral Caudal pectoral nerve
Action - Deep pectoral Adduct thoracic limb and pull it caudally
Arterial supply - Deep pectoral Lateral thoracic
Origin - Cleidocephalicus Clavicular intersection
Insertion - Cleidocephalicus (pars cervicalis) Cranial haf of the mid-dorsal fibrous raphe and the nuchal crest of the occipital
bone
Insertion - Cleidocephalicus (pars mastoideus) Mastoid part of the temporal bone to the sternomastoideus muscle
Innervation - Cleidocephalicus Accessory nerve
Arterial supply - Cleidocephalicus Superficial cervical artery
Origin - Cleidobrachialis Clavicular intersection
Insertion - Cleidobrachialis Attaches to the distal end of the cranial border of the humerus with a fascial tie
into the axilla
Innervation - Cleidobrachialis Accessory nerve
Arterial supply - Cleidobrachialis Superficial cervical artery
Origin - Sternocephalicus First sternebra
Insertion - Sternocephalicus (pars mastoidea) Mastoid part of temporal bone
Insertion - Sternocephalicus (pars occipitalis) Nuchal crest of occipital bone
Innervation - Sternocephalicus Accessory nerve
Action - Sternocephalicus Draw head and neck to the side
Action - Cleidocephalicus Advance limb, extend shoulder, pull head and neck to the side
