Animal Anatomy - Muscles

Where is the origin of:

Superficial Pectoral

Cranial Sternum

What is the insertion of

Superficial Pectoral

Greater Tubercle of humerus

What is the action of

Superficial Pectoral

Adducts Thoracic limb

What is the origin of

Deep pectoral?

Sternum

What is the Insertion of

Deep Pectoral?

greater tubercle of humerus

What is the action of

Deep pectoral?

Adducts and pulls away limb caudally

Where is the origin of

Brachiocephalicus?

Clavicular intersection

What is the insertion of

Brachiocephalicus?

Ulna, mastoid, dorsal neck

What is the action for

Brachiocephalicus?

Pulls limb forward, extends shoulder

Where is the origin of

Trapezius Muscles?

Dorsal aspect of neck

what is the insertion of

Trapezius muscle?

Spine of scapula

What is the action of

Trapezius Muscle?

Elevates & abducts llimb

Where is the origin of

Latissimus Dorsi?

Last 7 thoracic vertebrae & spinous process of lumbar vertebrae

what is the insertion of

Latissimus Dorsi?

Teres major tuberosity of humerus W

What is the action of

Latissimus Dorsi?

Draws limb caudally, flexes shoulder joint

Where is the origin of

Sternocephalicus?

Sternum

What is the insertion of

Sternocephalicus?

Occipital bone

What is the action of

Sternocephalicus?

Draws head to side

What is the origin of

Temporalis?

Parieta bone of skul

What is the insertion of

Temporalis?

coronoid process of mandible W

What is the action of

Temporalis?

Closes mouth when chewing

Where is the origin of

Masseter?

zygomatic arch

what is the insertion of

Zygomatic arch?

lateral side of the mandible

what is the action of

Zygomatic arch?

elevates the mandible to close the mouth when chewing

where is the origin of Digastricus

Occipital and temporal bone

what is the insertion of

Digastricus?

ventral membrane

what is the action of

Digastricus?

opens mouth

where is the origin of

Triceps brachii

cuadal border of scapula, proximal border of humerus w

What is the insertion of

Triceps Brachii

Olecranon of ulna

what is the action of

Biceps brachii

flexes elbow and extends shoulder

where is the origin of

Supraspinatus?

supraspinous fossa of scapula e

What Is the insertion of

Supraspinatus?

greater tubercle of humerus

what is the action of

Supraspinatus?

extends shoulders e

where Is the origin of

Infraspinatus?

infraspinous fossa of scapula

what is the insertion of infraspinatus?

greater tubercle of humerus

what is the action of infraspinatus?

flexes shoulders

What is the origin of

Gracilis?

pelvic symphysis

what is the insertion of Gracilis?

craial border of tibia / femur calcenel wh

What is the action of

Gracilis?

adducts limb / flexes stifle/ extends hip and back

where is the origin of Sartorius?

crest of ilium

what is the insertion of sartorius

patella/cranial part of tibia

What is the action of sartorius

flexes hip / extends stifle

where is the origin of adductor

pelvis symphysis

what is the insertion of adductor

caudal aspect of femur

what is the action of adductor

Adducts limb and extends hipwha

Where is the origin of

Pectineus

prepublication tendon / acetabulum

what is the insertion of

Pectineus

caudal aspect of femur

what is the action of Pectineus

Adducts limb

what is the origin of

Gatrocnemius (calf)

medial / lateral supracondylar tubersoties of femur

what is the insertion of

Gastrocnemius (calf)

proximal surface tuber calcanel

what is the action of

Gatrocnemius (calf)

extends tarsus / flexes stifle

where is the origin of

Biceps femoris (ham)

Ischiatic tuberosity of pelvis

what is the insertion of

Biceps femoris (ham)

patella/ proximal tibia / tuber calcanel

what is the action of

Biceps femoris (ham)

extends hip / flexes tarsus h

where is the origin of

Semitendinosus (ham)

ischiatic tuberosity of pelvis

What is the insertion of

Semitendinosus (ham)

tibia ans tuber calcanel

what is the action of

Semitendinosus (ham)

extends hip / flexes stifle / extends tarsusw

where is the origin of

Semimembranosus (ham)

ischiatic tuberosity of pelvis

what is the insertion of

Semimembranosus (ham)

femur and tibia

what is the action of

Semimembranosus (ham)

Extends hip

where is the origin of

Quadriceps femoris

ilium / proximal femur

what is the insertion of

Quadriceps femoris

tibial tuberosity

what is the action of

Quadriceps femoris

extends stifle / flexes hip

what is the four muscles that is part of quadriceps femoris

vastus medialis

Vastus lateralis

Rectus femoralis

Vastus intemedius

what is the origin of

Superficial gluteal

sacrum and coccygeal vertebrae

What is the insertion of

Superficial gluteal

greater trochanter of femur

what is the action of

superficial gluteal

Abducts limb / extends hip

what is the origin of

Middle gluteal

lateral ilium

what is the insertion of

Medial gluteal

Greater trochanter of femur

What is the action of

Medial gluteal

abducts limb / extends hip

what is the origin of

Deep gluteal

body of ilium and ischiatic spine

what is the insertion of

Deep gluteal

cranial aspect of greater trochanter

what is the action of

Deep gluteal

abducts and extends hip