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CVA Muscles

Muscles (origin, insertion, and function) of shark, mudpuppy, and cat

TermDefinition
Origin: Scapular Process and Adjacent Fascia Insertion: Radials and Ceratotrichia Function: Elevates pectoral fin
Shark: Pectoral Flexors Origin: Coracoid bar Insertion: Radials and Ceratotrichia Function: Depresses pectoral fin
Shark: Pelvic Extensors (Superficial part) Origin: Iliac process of puboishiac bar Insertion: Radials and Ceratotrichia Function: Elevates pelvic fin
Shark: Pelvic Extensors (Deep part) Origin: Metapterygium Insertion: Radials and Ceratotrichia Function: Elevates the pelvic fin
Shark: Pelvic Flexors (Proximal part) Origin: Linea alba and puboischiac bar Insertion: Metapterygium Function: Depresses pelvic fin
Shark: Pelvic Flexors (Distal part) Origin: Metapterygium Insertion: Radials and Ceratotrichia Function: Depresses pelvic fin
Shark: Adductor mandibulae Origin: Posterior part of the palatoquadrate cartilage Insertion: Meckel's cartilage Function: Closes the mouth
Shark: Dorsal and Ventral constrictors 3–6 Origin: Vertical raphe Insertion: Vertical raphe Function: Compresses gill pouches
Shark: Interhyoideus Origin: Midventral raphe Insertion: Ceratohyal Function: Compresses gill pouches
Shark: Intermandibularis Origin: Meckel's cartilage and fasica of the adductor muscle Insertion: Midventral raphe Function: Raises the floor of the mouth
Shark: Levator hyomandibulae Origin: Otic capsule Insertion: Hyomandibular Function: Compresses gill pouches
Shark: Preorbitalis Origin: Midventral surface of the chondrocranium Insertion: Adductor Mandibulae Function: Closes the mouth
Shark: Spiracularis Origin: Otic capsule Insertion: Palatoquadrate cartilage Function: Raises the upper jaw
Shark: Cucullaris Origin: Dorsal Longitudinal bundle fascia Insertion: Epibrachial cartilage and scapular process Function: Elevates the gill arches and pectoral girdle
Shark: Interarcuals Origin: Pharyngobrachials Insertion: Epibrachials Function: Expands the pharynx
Shark: Levator palatoquadrati Origin: Otic capsule Insertion: Palatoquadrate cartilage Function: Raises the upper jaw
Shark: Common coracoarcuals Origin: Coracoid bar Insertion: Coracohyoid Function: Opens the mouth
Shark: Coracomandubularis Origin: Fascia of Common coracoarcuals Insertion: Meckel's cartilage Function: Opens the mouth
Shark: Coracohyoid Origin: Common coracoarcuals Insertion: Basihyal Function: Opens the mouth
Mudpuppy: Omoarcual Origin: Rectus cervicis Insertion: Humerus Function: Draws humerus craniad
Mudpuppy: Pectoralis Origin: Linea alba and coracoid cartilage Insertion: Humerus Function: Adducts the forelimb
Mudpuppy: Procoracohumeralis Origin: Procoracoid cartilage Insertion: Humerus Function: Draws humerus craniad
Mudpuppy: Supracoracoideus Origin: Coracoid cartilage Insertion: Humerus Function: Adducts forelimb
Mudpuppy: Branchiohyoideus Origin: First brachial arch Insertion: Ceratohyal cartilage Function: Moves brachial arches and hyoid
Mudpuppy: Geniohyoid Origin: Medial mandible Insertion: Second basibranchial cartilage Function: Depresses lower jaw and draws hyoid cranially
Mudpuppy: Interhyoideus Origin: Fascia covering the branchiohyoideus Insertion: Median raphe Function: Elevates floor of throat
Mudpuppy: Intermandibularis Origin: Rami of mandible Insertion: Median raphe Function: Elevates floor of throat
Mudpuppy: Rectus cervicis Origin: Rectus abdominis Insertion: Branchial cartilages Function: Retracts tongue and lowers head
Mudpuppy: Subarcual Origin: Gill cartilages Insertion: Gill cartilages Function: Depresses gills
Mudpuppy: Transversis ventralis Origin: Rectus cervicis Insertion: Last gill cartilage Function: Depresses gills
Mudpuppy: Coracobrachials Origin: Coracoid cartilage Insertion: Humerus Function: Adducts forelimb
Mudpuppy: Humeroantebrachialis Origin: Humerus Insertion: Radius Function: Flexes forearm
Mudpuppy: Triceps branchii Origin: Glenoid fossa, humerus, and coracoid cartilage Insertion: Ulna Function: Extends forearm
Mudpuppy: Depressor mandibulae Origin: Third branchial arch Insertion: Posterior end of mandible Function: Depresses lower jaw
Mudpuppy: Dilatator laryngis Origin: Fasica near dorsal midline Insertion: Lateral cartilages of larynx Function: Dilates larynx
Mudpuppy: Levator mandibulae anterior Origin: Frontal and parietal bones Insertion: Lateral dentary Function: Elevates lower jaw
Mudpuppy: Levator mandibulae externus Origin: Frontal and parietal bones Insertion: Lateral dentary Function:Elevates lower jaw
Mudpuppy: Levatores arcuum Origin: Fascia of epibranchial muscles Insertion: Epibranchial cartilages Function: Elevates external gills
Mudpuppy: Cucullaris Origin: Fascia of epibranchial muscles Insertion: Scapula Function: Elevates the pectoral girdle
Mudpuppy: Dorsalis scapulae Origin: Suprascapular cartilage Insertion: Humerus Function:Elevates the forelimb
Mudpuppy: Latissimus dorsi Origin: Fascia of epibranchial muscles Insertion: Shoulder and proximal end of humerus Function: Draws humerus caduad
Mudpuppy: Pectoriscapularis Origin: Epibranchial cartilage Insertion: Scapula and procoracoid cartilage Function:Draws shoulder and forelimb craniad
Mudpuppy: Dorsalis trunci Origin: Myosepta and transverse process of vertebrae Insertion: Myosepta and transverse process of vertebrae Function: Flexes the vertebral column laterally
Mudpuppy: External Oblique Origin: Transverse process of trunk vertebrae Insertion: Connective tissue of rectus abdominis Function:Compresses the coelom and flexes and roatates the trunk
Mudpuppy: Internal Oblique Origin: Transverse process of trunk vertebrae Insertion: Connective tissue of rectus abdominis Function: Compresses the coelom and flexes and roatates the trunk
Mudpuppy: Rectus Abdominis Origin: Anterior margin of the pubic cartilage Insertion: Transverse inscription Function: Flexes the trunk ventrally
Mudpuppy: Transversus Origin: Transverse process of trunk vertebrae Insertion: Connective tissue of rectus abdominis Function: Compresses the coelom and flexes and roatates the trunk
Mudpuppy: Caudocruralis Origin: Posterior border of the puboischiotibialis Insertion: Haemal arches of caudal vertebrae 3–6 Function: Flexes tail
Mudpuppy: Caudofermoralis Origin: Haemal arches of caudal vertebrae 3–6 Insertion: Femur Function: Flexes tail and draws hindlimb caudad
Mudpuppy: Ilioextensorius Origin: Ilium Insertion: Tibia and fascia covering the knee Function: Extends the shank
Mudpuppy: Iliofibularis Origin: Ilium Insertion: Fibula Function: Extends the shank and draws the hindlimb caudad
Mudpuppy: Iliotibialis Origin: Ilium Insertion: Tibia Function: Adducts the hindlimb
Mudpuppy: Ischiocaudalis Origin: Ischium Insertion: Haemal arches of caudal vertebrae 3–6 Function: Flexes tail
Mudpuppy: Ischioflexorius Origin: Ischium Insertion: Fascia of foot Function: Flexes shank and toes
Mudpuppy: Pubo–ischio–femoralis externus Origin: Puboischiac plate Insertion: Femur Function: Adducts the hindlimb
Mudpuppy: Pubo–ischio–femoralis internus Origin: Internal surface of puboischiac plate Insertion: Femur Function: Draws the femur craniad
Mudpuppy: Pubo–ischio–tibialis Origin: Posterior puboischiac plate Insertion: Tibia Function: Adducts the hindlimbs
Mudpuppy: Pubotibialis Origin: Anterior puboischiac plate Insertion: Tibia Function:Adducts the hindlimbs
Cat: External intercostals Origin: Rib Insertion: Rib Function: Draws ribs craniad
Cat: External oblique Origin: Ribs and lumbodorsal fascia Insertion: aponeurosis on the Linea alba Function: Compresses abdominal viscera
Cat: Internal intercostals Origin: Rib Insertion: Rib Function: Draws ribs caudad
Cat: Internal obliques Origin: Pelvis and lumbodorsal fascia Insertion: aponeurosis on the Linea alba Function: Compresses abdominal viscera
Cat: Rectus abdominus Origin: Pubis symphysis Insertion: Sternum and coastal cartilages Function: Flexes trunk and compresses abdominal viscera
Cat: Transversus Origin: Ilium, lumbar vertebrae, and posterior ribs Insertion: Linea alba Function: Compresses abdominal viscera
Cat: Clavobrachialis Origin: Clavicle Insertion: Proximal end of ulna Function: Draws humerus craniad
Cat: Pectoantebrachialis Origin: Manubrium Insertion: Fascia of forelimb near the elbow Function: Adducts and rotates the forelimb
Cat: Pectoralis major Origin: Cranial sternebrae Insertion: Proximal half of humerus Function: Adducts and rotates the forelimb
Cat: Pectoralis minor Origin: Caudal sternebrae Insertion: Proximal half of humerus Function: Adducts and rotates the forelimb
Cat: Xiphihumeralis Origin: Xiphoid process Insertion: Proximal end of humerus Function: Adducts and rotates the forelimb
Cat: Cleidomastoid Origin: Clavicle Insertion: Mastoid process Function: Rotates head
Cat: Cricothyroid Origin: Cricoid cartilage Insertion: Thyroid cartilage Function: Moves the larynx
Cat: Digastric Origin: Mastoid and jugular process of occipital Insertion: Mandible Function: Depresses the lower jaw
Cat: Genoihyoid Origin: mandible Insertion: hyoid Function: draws hyoid craniad
Cat: Hyoglossus Origin: Hyoid Insertion: Tongue Function: Retracts the tongue
Cat: Mylohyoid Origin: Mandible Insertion: Median raphe Function: Elevates floor of mouth
Cat: Sternohyoid Origin: Manubrium of sternum Insertion: Hyoid Function: Draws hyoid caudad
Cat: Sternomastoid Origin: Manubrium of sternum Insertion: Lamboidal ridge and mastoid process Function: Rotates head
Cat: Sternothyroid Origin: Manubrium of sternum Insertion: Thyroid cartilage Function: Draws larynx caudad
Cat: Thyrohyoid Origin: Thyroid cartilage Insertion: Hyoid Function: Draws larynx craniad
Cat: Masseter Origin: Zygomatic arch Insertion: Mandible Function: Elevates lower jaw
Cat: Temporalis Origin: Lambdoidal crest and zygomatic process of frontal bone Insertion: Coranoid process of mandible Function: Elevates lower jaw
Cat: Acromiodeltiod Origin: Acromion process of the scapula Insertion: Humerus Function: Flexes and roatates humerus
Cat: Acromiotrapezius Origin: Neural spines of cervical and first thoracic vertebrae Insertion: Metacromion process and spine of scapula Function: Draws scapula dorsally and medially
Cat: Clavotrapezius Origin: Nuchal line of skull and dorsal midline of neck Insertion: Clavicle Function: Draws humerus craniad
Cat: Infraspinatus Origin: Infraspinatus fossa of scapula Insertion: Greater tuberosity of humerus Function: Rotates the humerus
Cat: Latissimus dorsi Origin: Lumbodorsal fascia and neural spines of the last thoracic and lumbar vertebrae Insertion: Medial surface of humerus Function: Elevates arm and draws it caudad
Cat: Lavator scapulae ventralis Origin: Occipital bone and transverse process of atlas Insertion: Metacromion process Function: Draws scapula craniad
Cat: Rhomboideus Origin: Neural spines of thoracic vertebrae Insertion: Ventral border of scapula Function: Draws scapula dorsally
Cat: Rhomboideus capitis Origin: Superior nuchal line Insertion: Angle of scapula Function: Draws scapula craniad
Cat: Spinodeltoid Origin: Spine of scapula Insertion: Deltoid ridge of humerus Function: Elevates and rotates the humerus
Cat: Spinotrapezius Origin: Spine of the scapula Insertion: Humerus Function: Elevates and rotates humerus
Cat: Splenius Origin: Fascia of the neck Insertion: Nuchal line Function: Elevates and turns the head
Cat: Supraspinatus Origin: Supraspinous fossa Insertion: Greater tuberosity of humerus Function: Extends humerus
Cat: Teres minor Origin: Axillary border of scapula Insertion: Greater tuberosity of humerus Function: Rotates humerus
Cat: Coracobrachialis Origin: Coracoid Insertion: proximal end of humerus Function: adducts humerus
Cat: Scalenus posterior Origin: Rib 3 Insertion: Cervical vertebrae Function: Flexes neck, draws ribs craniad
Cat: Scalenus medius Origin: Rib 6-9 Insertion: Cervical vertebrae Function: Flexes neck, draws ribs craniad
Cat: Scalenus anterior Origin: Rib 2 and 3 Insertion: Cervical vertebrae Function: Flexes neck, draws ribs craniad
Cat: Serratus ventralis Origin: First 10 ribs Insertion: Ventral border of scapula Function: Draws scapula ventrally and craniad
Cat: Subscapularis Origin: Subscapular fossa Insertion: Lesser tuberosity of humerus Function: Draws humerus medially
Cat: Teres major Origin: Axillary border of scapula Insertion: Medial surface of humerus Function: Draws humerus medially
Cat: Transverses costarum Origin: Sternum Insertion: First rib Function: Draws sternum craniad
Cat: Biceps brachii Origin: Border of glenoid fossa Insertion: Tuberosity of radius Function: Flexes forearm
Cat: Brachialis Origin: Lateral surace of humerus Insertion: Below semilunar notch of ulna Function: Flexes forearm
Cat: Epitrochlearis Origin: Lateral surface of latissimus dorsi Insertion: Olecarnon process of ulna Function: Rotates ulna
Cat: Triceps branchii Origin: Shaft of humerus Insertion: Olecarnon process of ulna Function: Extends forearm
Cat: Triceps (lateral head) Origin: Deltoid ridge of humerus Insertion: Olecranon process Function: Extends forearm
Cat: Triceps (medial head) Origin: Axillary border of scapula Insertion: Olecranon process Function: Extends forearm
Cat: Triceps (long head) Origin: Humerus Insertion: Olecranon process Function: Extends forearm
Cat: Biceps femoris Origin: Ischial tuberosity Insertion: Proximal third of tibia Function: Flexes the shank, abducts thigh
Cat: Caudofemoralis Origin: Proximal caudal vertebrae Insertion: Patella Function: Abducts thigh
Cat: Gluteus maximus Origin: Last sacral and first caudal vertebrae Insertion: Fascia lata Function: Abducts thigh
Cat: Gluteus medius Origin: Iliac crest. sacral, and first caudal vertebrae Insertion: Greater trochanter of femur Function: Abducts thigh
Cat: Tensor fasciae latae Origin: Ilium Insertion: Fascia lata Function: Extends fascia lata
Cat: Tenuissimus Origin: Second caudal vertebrae Insertion: Proximal tibia Function: Flexes the shank
Cat: Adductor femoris Origin: Pubis symphysis Insertion: Ventral surface of femur Function: Abducts thigh
Cat: Adductor longus Origin: Pubis symphysis Insertion: Femur Function: Abducts thigh
Cat: Gracilis Origin: Pubis symphysis Insertion: Fascia of lower thigh Function: Abducts thigh
Cat: Illopsoas Origin: Lumbar vertebrae and ilium Insertion: Lesser trochanter of femur Function: Flexes and rotates thigh
Cat: Pectineus Origin: Pubis Insertion: Shaft of femur Function: Abducts thigh
Cat: Rectus femoris Origin: Ilium Insertion: Patella Function: Extends lower leg
Cat: Sartorius Origin: Iliac crest Insertion: Patella and proximal tibia Function: Adducts and rotates thigh
Cat: Semimembranosus Origin: Ischium Insertion: Medial epicondyle of femur and proximal tibia Function: Extends thigh
Cat: Semitendinosus Origin: Ischium Insertion: Tibia Function: Flexes lower leg
Cat: Vastus intermedius Origin: Femur Insertion: Patella Function: Extends lower leg
Cat: Vastus lateralis Origin: Femur Insertion: Patella Function: Extends lower leg
Cat: Vastus medialis Origin: Femur Insertion: Patella Function: Extends lower leg
Cat: Gastrocnemius Origin: Femus and tendon of plantaris Insertion: Calcaneum Function: Extends foot
Cat: Plantaris Origin: Patella and femur Insertion: Calcaneum Function: Flexes digits
Cat: Soleus Origin: Proximal fibula Insertion: Calcaneum Function: Extends foot
Created by: awklittlefoot