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MUSCLES OF THE CAT

 

Alexander Garrison

1.Superficial Pectoral Muscle

2.Brachioradialis Muscle

3.Trapezius Muscle

4.Latissimus Dorsi

5.Infraspinatus 

6.Supraspinatus

7.Biceps Brachii muscle

8.Triceps brachii muscle

9.Common digital extensor muscle 

10.Superficial digital flexor muscle

11.External abdominal oblique

12.Rectus abdominis 

13.Cutaneous trunci

14.Epaxial muscle

15.Platysma muscle 

 

LIST OF MUSCLES

16.Digastricus muscle

17.Temporalis muscle

18.Masseter muscle

19.Superficial gluteal muscles

20.Biceps femoris muscle

21.Semimembranosus muscle

22.Semitendinosus muscle

23.Sartorius muscle

24.Gracilis muscle

25.Quadriceps femoris muscle

26.Gastrocnemius muscle

27.Popliteus muscle

  • Origin: Cranial Sternum
  • Insertion: Greater Tubercle of Humerus
  • Action: Abducts Thoracic Limb
  • Opposing Muslces: 

    Deltoid, Supraspinatus, Infraspinatus, Teres major and minor, Subscapularis

  • Syngergist: Pectoralis minor, Subclavius, Serratus anterior, Trapezius, Latissimus dorsi, Rhomboid major and minor, Levator scapulae
  • Superficial or Deep: Superficial
  • Other Names: Pectoralis Major

       Muscle Number 1

Superficial pectoral muscle

  • Origin: Clavicular Intersection
  • Insertion:

    Ulna, mastoid, dorsal neck

  • Action: Pulls Limb Forward, Extends Shoulder
  • Opposing Muslces: Deep Pectoralis
  • Synergists: Cleidocephalicus
  • Superficial/extrinsic or Deep/intrinsic: Superficial
  • Other Names: None

 

Brachiocephalicus muscle 

  • Origin: 

    Dorsal aspect of neck

  • Insertion: Spine of Scapula
  • Action of Muscle: elevates and abducts limb
  • Superficial/extrinsic or Deep/intrinsic: Deep
  • Opposing Muscle: sternocleidomastoid
  • Synergist: Splenius capitus
  • Other name for Muscle: None

Trapezius muscle

  • Origin:

    Last 7 thoracic vertebrae and spinous process of lumbar vertebrae

  • Insertion: Teres Major of tuberisty of humerus
  • Action of Muscle: Draw limb caudally flexes shoulder joint
  • Superficial/extrinsic or Deep/intrinsic:
  • Opposing Muscle: Teres Major
  • Synergist: Supraspinatus
  • Other name for Muscle: Swimmers Muscle

Latissimus dorsi muscle

  • Origin: 

    “Infraspinous fossa of scapula”

  • Insertion: 

    Deltoid tuberosity of humerus

  • Action of Muscle: Flexes Shoulder
  • Superficial/extrinsic or Deep/intrinsic: Deep
  • Opposing Muscle: Supraspinatous
  • Synergist: acromio-deltoid 
  • Other name for Muscle: None

Infraspinatus muscle

  • Origin: 

    Supraspinous fossa of scapula

  • Insertion: 

    Greater tubercle of humerus

    Action of Muscle:Extends Shoulder

  • Superficial/extrinsic or Deep/intrinsic:
  • Opposing Muscle: Imfraspinatus 
  • Synergist:Trapezius
  • Other name for Muscle: Name

Supraspinatus muscle

  • Origin: 

    Supraglenoid tubercle of scapula

  •  

    Insertion: Ulna and radial tuberosities

  • Action of Muscle:Flexes Elbow/ Extends Shoulder
  • Superficial/extrinsic or Deep/intrinsic: Deep
  • Opposing Muscle: Triceps brachii
  • Synergist: None
  • Other name for Muscle: None

Biceps brachii muscle

  • Origin: 

    “Caudal border of scapula/proximal border of humerus”

  • Insertion: Olecranon of ulna
  • Action of Muscle: 

    Extends elbow/flexes shoulder

  • Superficial/extrinsic or Deep/intrinsic: 

    Deep

  • Opposing Muscle: Bicep brachii
  • Synergist: Deltoid
  • Other name for Muscle: None

Triceps brachii muscle

  • Origin: 

    Lateral epicondyle of humerus

  • Insertion: 

    Dorsal surface of distal phalanges of digits II, III, IV, V

  • Action of Muscle: 

    Extends carpus and digits

  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle: Deep digital Flexor
  • Synergist: Superficial Digital Flexor
  • Other name for Muscle: None

Common digital extensor muscle

  • Origin: Medial Epicondyle of the humerus
  • Insertion:

    Palmar aspect of phalanges of digits II, III, IV, V

  • Action of Muscle: Flexes digits of the Carpus
  • Superficial/extrinsic or Deep/intrinsic: Superficial
  • Opposing Muscle: Deep digital flexor
  • Synergist: Flexor Carpi Unlnaris
  • Other name for Muscle: None

Superficial digital flexor muscle

  • Origin: Thoracolumbar Fascia of last rib
  • Insertion: Linea Alba
  • Action of Muscle: Presses the vertebral Column
  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle: Erector spinae, Quadratus Lumborum
  • Synergist: rectus abdominis
  • Other name for Muscle: None

External abdominal oblique

Rectus abdominis 

Cutaneous trunci

Epaxial muscle groups

  • Origin: Tendinous Raphe on dorsal midline
  • Insertion: Attaches to muscle surrounding lips
  • Action of Muscle:Draws commissures of lips caudally
  • Superficial/extrinsic or Deep/intrinsic: Superficial
  • Opposing Muscle: None
  • Synergist: Sternocleimastoid
  • Other name for Muscle: None

Platysma muscle 

  • Origin: Occipital and Temporal Bone
  • Insertion: Ventral Mandible
  • Action of Muscle: Opens Mouth
  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle: Temporalis, Masseter
  • Synergist: None
  • Other name for Muscle: None

Digastricus muscle

  • Origin: Parietal Bone of the skull
  • Insertion: Coronoid Process of the Mandible
  • Action of Muscle: Closing mouth when Chewing
  • Superficial/extrinsic or Deep/intrinsic; Extrinsic
  • Opposing Muscle:Digastrics
  • Synergist:Masseter
  • Other name for Muscle: None

Temporalis muscle

    • Origin: Zygomatic Arch
    • Insertion: lateral side of the mandible
    • Action of Muscle: elevates the mandible to close and open the mouth
    • Superficial/extrinsic or Deep/intrinsic: Superficial
    • Opposing Muscle: Digastric
    • Synergist: Temporalis
    • Other name for Muscle: None

Masseter muscle

  • Origin: 

    Sacrum and coccygeal vertebrae

  • Insertion: 

    “Greater trochanter of femur

  • Action: Abducts Limb
  • Superficial/extrinsic or Deep/intrinsic: Superficial
  • Opposing Muscle Middle Gluteal
  • Synergist: Deep Gluteal
  • Other name for Muscle: Gludeus Maximus

Superficial gluteal muscles

  • Origin: Ischiatic Tuberosisty of Pelvis
  • Insertion: Patella, proximal tibia, tuber calcanei
  • Action of Muscle: Extends hip, flexes steifle, extens tarsus
  • Superficial/extrinsic or Deep/intrinsic: superficial
  • Opposing Muscle: Biceps Femoris, gastrocnemius
  • Synergist: sartorius, vastus lateralus
  • Other name for Muscle: hamstring muscle

Biceps femoris 

  • Origin: Ishciatic Tuberosisty of Pelvis
  • Insertion: Femur and Tibia
  • Action of Muscle: Extends Hip
  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle:  Iliopsoas, Pectineus, Tensor fasciae latae, Adductor brevis, Sartorius
  • Synergist:Gluteus maximus, Adductor magnus (posterior part)Semitendinosus, Biceps femoris (long head), Gluteus medius, Piriformis
  • Other name for Muscle: None

Semimembranosus muscle

  • Origin: Ischiatic Tuberosisty of pelvis
  • Insertion: Tibia and tuber calcanei
  • Action of Muscle: Extends Hips, flexus steifle, extends tarsus
  • Superficial/extrinsic or Deep/intrinsic: Intrinsic
  • Opposing Muscle:
  • Synergist: Iliopsoas, Pectineus, Tensor fasciae latae, Adductor brevis, Sartorius

    Gluteus maximus, Adductor magnus, Semimembranosus, Biceps femoris, Gluteus medius, Piriformis

  • Other name for Muscle: None

Semitendinosus muscle

  •  Origin: Crest of Illium
  • Insertion: Patella, Cranial Part of the tibia
  • Action of Muscle: flexes hip, extends steifle
  • Superficial/extrinsic or Deep/intrinsic: extrinsic
  • Opposing Muscle: abbductor mangus 
  • Synergist: 

    Iliopsoas, Pectineus, Tensor fasciae latae, Adductor brevis.

  • Other name for Muscle: tailor's muscle

Sartorius muscle

  • Origin: Pelvis Symphysis
  • Insertion: Cranial Border of tibia/tuber calcanei
  • Action of Muscle: Adducts Limb, fkexes steifle, extends hip and hock
  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle: Rectus Femoris
  • Synergist: pectinius 
  • Other name for Muscle: None

Gracilis muscle

  • Origin: Illium, Proximal Femur
  • Insertion: Tibial Tuberosity
  • Action of Muscle: Extends Steifle, Flexes Hip
  • Superficial/extrinsic or Deep/intrinsic: Both Superficial and Deep
  • Opposing Muscle: Gastrocnemius, Popliteus, Gracilis, and Sartorius.
  • Synergist: Rectus femoris, vastus intermedius and vastus medialis.
  • Other name for Muscle: Vastus Lateralis, Vastus Medialis, Vatsus Intermedius, Rectus Femoris

Quadriceps femoris muscle

  • Origin:Medial/lateral supracondylar tuberosities of femur
  • Insertion: Proximal Surface tubercalcanei
  • Action of Muscle: Extends Tarsus/Flexes Steifle
  • Superficial/extrinsic or Deep/intrinsic: Superficial
  • Opposing Muscle: Tibialis Anterior 
  • Synergist: Soleus
  • Other name for Muscle: Calf Muscle

Gastrocnemius muscle

  • Origin: Lateral Condyle of Femur
  • Insertion: Caudal Aspect of the proximal tibia
  • Action of Muscle: Flexes Steifel and Rotates leg medially
  • Superficial/extrinsic or Deep/intrinsic: Extrinsic
  • Opposing Muscle:Biceps femoris
  • Synergist: Semimembrinosus, Semitendinosus
  • Other name for Muscle: None
  • Number 9

 

 

Popliteus muscle

  • N/A. Cat muscles. Digital image. Cat Guru. N.p., n.d. Web. 29 Nov. 2016. <http://www.catsguru.com/the-cats-muscular-system>.
  •  Superficial Pectoral. Digital image. Study Blue. N.p., n.d. Web. 29 Nov. 2016. <https://classconnection.s3.amazonaws.com/53/flashcards/2359053/jpg/pectoantebrachialis1354382806275.jpg>.
  • Brachiocephalicus Muscle. Digital image. Study Blue. N.p., n.d. Web. 29 Nov. 2016. <https://www.studyblue.com/#flashcard/view/15710384>.
  • Trapezius. Digital image. Http://bio.sunyorange.edu/. N.p., n.d. Web. 29 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_NECK.htm>.
  • Cat Latissimus Dorsi. Digital image. N.p., n.d. Web. 29 Nov. 2016. <http://www.keyword-suggestions.com/bGF0aXNzaW11cyBkb3JzaSBjYXQ/
  • Yoo, Alan. Cat Infraspinatus and Supraspinatus. Digital image. Fickr. N.p., 9 Mar. 2010. Web. 29 Nov. 2016. <https://www.flickr.com/photos/68501431@N02/galleries/72157627863303712>.
  • Cat Biceps Brachii. Digital image. Anatomy.Wikispaces. Tangient LLC, n.d. Web. 29 Nov. 2016. <https://anatomy.wikispaces.com/Biceps+brachii>.
  • Cat Triceps Brachii. Digital image. Studyblue. N.p., n.d. Web. 29 Nov. 2016. <https://www.studyblue.com/#flashcard/view/6716465>.
  • External Abdominal Oblique. Digital image. Bio.sunyorange. N.p., n.d. Web. 30 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_ABDOMINAL.htm>.
  • Cat Epaxial Muslces. Digital image. Http://bio.sunyorange.edu/. N.p., n.d. Web. 30 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_BACK.htm>.
  • Platsyma. Digital image. Http://bio.sunyorange.edu/. N.p., n.d. Web. 30 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_HEAD1.htm>.

Sources

  • Porter, Damon. Digastric muscle. Digital image. Slide Player. N.p., n.d. Web. 30 Nov. 2016. <http://slideplayer.com/slide/8810832/>.
  • Temporalis Muscle. Digital image. Http://bio.sunyorange.edu/. N.p., n.d. Web. 30 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_HEAD1.htm>
  • Masseter. Digital image. Study Blue. N.p., n.d. Web. 30 Nov. 2016. <https://www.studyblue.com/#flashcard/view/5496803>.
  • Opsal, Susan Caley. Gluteal Muscles. Digital image. Illinois Valley Community College. N.p., 28 Aug. 2007. Web. 30 Nov. 2016. <http://www2.ivcc.edu/caley/cat_images/muscles/glutescat.htm>. 
  • Biceps Femoris. Digital image. Anatomy.Wikispaces. Tangient LLC, n.d. Web. 30 Nov. 2016. <https://anatomy.wikispaces.com/Biceps+femoris>.
  • Muscles of the limb. Digital image. Study Blue. N.p., n.d. Web. 30 Nov. 2016. <https://www.studyblue.com/#flashcard/view/6948367>.
  • Semitendinosus. Digital image. Http://bio.sunyorange.edu/. N.p., n.d. Web. 30 Nov. 2016. <http://bio.sunyorange.edu/updated2/comparative_anatomy/anat.html2/M_THIGHMED.htm>.
  • Quadriceps Femoris. Digital image. N.p., n.d. Web. 30 Nov. 2016. <http://xn----btbj1bcajefk9h.xn--p1ai/in-the-vastus-medialis.php>.
  • Gastrocnemius. Digital image. Study Blue. N.p., n.d. Web. 30 Nov. 2016. <https://www.studyblue.com/#flashcard/view/17024021>.

Sources Pt2