Cat Muscles Flashcards
External intercostals
Origin: Rib
Insertion: Rib
External oblique
Origin: Ribs and lumbodorsal fascia
Insertion: Aponeurosis on the linea alba
Internal intercostals
Origin: Rib
Insertion: Rib
Internal obliques
Origin: Pelvis and lumbodorsal fascia
Insertion: Aponeurosis on the linea alba
Rectus abdominus
Origin: Pubis symphysis
Insertion: Sternum and coastal cartilages
Transversus
Origin: Ilium, lumbar vertebrae, and posterior ribs Insertion: Linea alba
Clavobrachialis
Origin: Clavicle
Insertion: Proximal end of ulna
Pectoantebrachialis
Origin: Manubrium
Insertion: Fascia of forelimb near the elbow
Pectoralis major
Origin: Cranial sternebrae
Insertion: Proximal half of humerus
Pectoralis minor
Origin: Caudal sternebrae
Insertion: Proximal half of humerus
Xiphihumeralis
Origin: Xiphoid process
Insertion: Proximal end of humerus
Cleidomastoid
Origin: Clavicle
Insertion: Mastoid process
Cricothyroid
Origin: Cricoid cartilage
Insertion: Thyroid cartilage
Digastric
Origin: Mastoid and jugular process of occipital
Insertion: Mandible
Genoihyoid
Origin: Mastoid
Insertion: Hyoid
Hyoglossus
Origin: Hyoid
Insertion: Tongue
Mylohyoid
Origin: Mandible
Insertion: Median raphe
Sternohyoid
Origin: Manubrium of sternum
Insertion: Hyoid
Sternomastoid
Origin: Manubrium of sternum
Insertion: Lamboidal ridge and mastoid process
Sternothyroid
Origin: Manubrium of sternum
Insertion: Thyroid cartilage
Thyrohyoid
Origin: Thyroid cartilage
Insertion: Hyoid
Masseter
Origin: Zygomatic arch
Insertion: Mandible
Temporalis
Origin: Lambdoidal crest and zygomatic process of frontal bone
Insertion: Coronoid process of mandible
Acromiodeltiod
Origin: Acromion process of the scapula
Insertion: Humerus
Acromiotrapezius
Origin: Neural spines of cervical and first thoracic vertebrae
Insertion: Metacromion process and spine of scapula
Clavotrapezius
Origin: Nuchal line of skull and dorsal midline of neck Insertion: Clavicle
Infraspinatus
Origin: Infraspinatus fossa of scapula
Insertion: Greater tuberosity of humerus
Latissimus dorsi
Origin: Lumbodorsal fascia and neural spines of the last thoracic and lumbar vertebrae
Insertion: Medial surface of humerus
Lavator scapulae ventralis
Origin: Occipital bone and transverse process of atlas
Insertion: Metacromion process
Rhomboideus
Origin: Neural spines of thoracic vertebrae
Insertion: Ventral border of scapula
Rhomboideus capitis
Origin: Superior nuchal line
Insertion: Angle of scapula
Spinodeltoid
Origin: Spine of scapula
Insertion: Deltoid ridge of humerus
Spinotrapezius
Origin: Neural spines of the thoracic vertebrae
Insertion: Fascia of scapula
Splenius
Origin: Mid-dorsal fascia of the neck
Insertion: Nuchal line
Supraspinatus
Origin: Supraspinous fossa
Insertion: Greater tuberosity of humerus
Teres minor
Origin: Axillary border of scapula
Insertion: Greater tuberosity of humerus
Coracobrachialis
Origin: Coracoid process
Insertion: Proximal end of humerus
Scalenus posterior
Origin: Rib 3
Insertion: Cervical vertebrae
Scalenus medius
Origin: Rib 6-9
Insertion: Cervical vertebrae
Scalenus anterior
Serratus ventralis
Origin: First 10 ribs
Insertion: Ventral border of scapula
Subscapularis
Origin: Subscapular fossa
Insertion: Lesser tuberosity of humerus
