forelimb muscles. extrinsic muscles intrinsic muscles

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Forelimb Forelimb MusclesMuscles

Extrinsic MusclesIntrinsic Muscles

.1 Serratus Ventralis Cervicis.2Brachiocephalicus.3Omotransversarius

.1Serratus Ventralis Thorasis

.2Latissimus Dorsi

.3Pectoralis Assendence

.1Pectoralis Superficialis

.APectoralis Dessendence

.BPectoralis Transverse

.2Pectoralis Profundus

.APectoralis Assendence

.BSubclavius

.1Trapezius

.2Rhomboideus

.1Infraspinous

.2Teres Major

.3Teres Minor

.4Subscapularis

.5Coracobrachialis

.6Deltoideus

.1Supraspinous

.1Biceps Brachii

.2Brachialis

.1Triceps Brachii

.2Anconeus

.3Tensor Fascia Antebrachii

.1Extensor Carpiradialis

.2Extensor Carpiulnaris

.3Extensor Carpiobliqus

.4Extensor Digitorum Commonis

.5Extensor Digitorum Lateralis

.1Flexor Carpiradialis

.2Flexor Carpiulnaris

.3Pronator Teres

.4Supinator Teres

.5Flexor Digitorum Superficialis

.6Flexor Digitorum Profundus

No.

Name Origin Insertion

1 Trapezius .aCervical Part.bThoracic Part

Nucal Lig. Spine of Scapula

Nerve: Accessory Nerve

Blood:

Action: Fix the shoulder/ Abducts and draws limb forward

Muscles of the Shoulder GirdleDorsal Division1st Layer

TRAPEZIUS (Cervical Part)

No.

Name Origin Insertion

1 Rhomboideus

.aThoracis Part.bCervicis Part.cCapital Part

(car. only)

Nucal Lig. Medial Surface of Scapular Cartilage

NerveNerve: Dorsal & Ventral Branches of Cervical and Thoracic Nerve

Blood:

Action: Draws Limb Forward and Fixes Scapula against the trunk / Elevate Limb and Neck

Muscles of the Shoulder GirdleDorsal Division/ 2nd Layer

Rhomboideus

Horse

Dog

Rhomboideus Capitis

No.

Name Origin Insertion

2 Latissimus dorsi

Thoracolumbar Fascia

Teres Major Tuberosity of

HumerusNerveNerve: Thoracodorsal Nerve

Blood:

Action: Draws Limb Backward/ Antagonist to the Brachiocephalic Muscle

Muscles of the Shoulder GirdleDorsal Division2nd Layer

Latissimus dorsi

No.

Name Origin Insertion

1 Brachiocephalicus

a. Cleidobrachialis

b. Cleidocephalicus

Mastoid Process &

Nuchal Crest

Deltoid Tuberosity

&Crest of Humerus

NerveNerve: Accessory & Axillary Nerve

Blood:

Action: Protract the forelimb & Flex the neck lateraly

Muscles of the Shoulder GirdleVentral Division

Horse Cleidobrachialis

Cleidocephalicus: 1 .

Cleidomastoideus

Ruminant

Cleidobrachialis

Cleidocephalicus: 1 .

Cleidomastoideus 2 .

Cleidooccipitalis

Carnivorus

Cleidobrachialis

Cleidocephalicus: 1 .

Cleidomastoideus 2 .Cleidocervicalis

Cleidomastoideus

Cleidobrachialis (Omotransvers

arius)

Horse

Cleidobrachialis

Clavicular Intersection

Cleido occipitalisCleidomastoid

us

Bovine

Cleidocervicalis

CleidobrachialisDog

No.

Name Origin Insertion

2 Cerratus ventralis

.aCervical Part

.bThoracic Part

.aCervical Vertebrae

.bThoracic vertebrae

Scapula

NerveNerve: Long Thoracic

Blood:

Action: Fix the body between forelimbs & elevate the thorax

Muscles of the Shoulder GirdleVentral Division

Cerratus

Ventralis

thoracis

Cerratus Ventralis Cervicis

Adductor Muscles of the Forelimb

Pectoral Group Muscles:

1.Pectoralis Superficialis:a.Pectoralis Desendenceb.Pectoralis Transverse

2.Pectoralis Profundus: a. Pectoralis Ascendence b. Subclavius

No.

Name Origin Insertion

1 Pectoralis Dessendence

Cartilage of the Sternum

Deltoid Tuberosity& Crest of Humerus

NerveNerve: Pectoral Nerve

Blood:

Action: adduct the thoracic Limb & extend the Shoulder

Adductor Muscles of the Forelimb

Pectoralis Superficialis

Pectoralis Desendence

No.

Name Origin Insertion

2 Pectoralis Trnsvervse

Sternum Cranial surface of humerus

NerveNerve: Pectoral Nerve

Blood:

Action: adduct the thoracic Limb & extend the shoulder

Adductor Muscles of the Forlimb

Pectoralis Superficialis

Pectoralis Transverse

No.

Name Origin Insertion

1 Pectoralis Ascendence

Xiphoid Cartilage

&Ventral Aspect

of Humerus

Greater & Lesser Tubercle

of Humerus& Coracobrachiali

s tendonNerveNerve: cranial & caudal Pectoral Nerve+ Intercostal + Musculocotaneus Nerve

Blood: Internal & External Thoracic + Superficial Cervical+ Cranial Circumflex Humeral+ Brachial+ Ventral intercostal artery

Action: adduct & Retract the thoracic Limb

Adductor Muscles of the Ftorelimb

Pectoralis Profundus

Pectoralis Ascendence

No.

Name Origin Insertion

1 Deltoideus.aScapular Part.bAcromial Part

( Rum., Car).

Spine of Scapula

Deltoid Tuberosity

NerveNerve: Axillary Nerve

Blood: Subscapular Artery

Action: Flex the shoulder joint & Abduct the Arm

Muscles of the ShoulderLateral Group:

Deltoideus

No.

Name Origin Insertion

2 Supraspinus Supraspinuss Fossa of scapula

Greater & Lesser Tubercle

of HumerusNerveNerve: Suprascapular Nerve

Blood: Suprascapular a., Caudal Circumflex Humeral a., Circumflex scapular Artery

Action: Extend the shoulder joint

Muscles of the ShoulderLateral Group:

Supraspinatus

No.

Name Origin Insertion

3 Inrfraspinous

Infraspinous Fossa

Greater Tubercle of Humerus

NerveNerve: Suprscapular Nerve

Blood: Subscapular Artery

Action: Abduct the arm & lateral rotation

Muscles of the ShoulderLateral Group:

Infraspinatus

No.

Name Origin Insertion

4 Teres Minor Caudal Border of Scapula

Deltoid Tuberosity

NerveNerve: Axillary Nerve

Blood: Subscapular Artery & audal Circomflex artery

Action: Flex the shoulder joint & Abduct the Arm

Muscles of the ShoulderLateral Group:

Teres Minor

No.

Name Origin Insertion

1 Subscapularis

Scapular Fossa Lesser Tubercle of Humerus

NerveNerve: Axillary Nerve , Subscapular & cranial Pectoral Nerve

Blood: Subscapular Artery, Suprascapular & cranial Circumflumerusex Humeral Artery

Action: Adduct the Humerus

Muscles of the ShoulderMedial Group:

Subscapularis

No.

Name Origin Insertion

2 Teres Major Caudal Angel & Border of Scapula

Teres Major Tuberosity

NerveNerve: Axillary Nerve

Blood: Subscapular Artry, Brachial, Cranial Circumflex Humeral Artery

Action: Flex the shoulder joint & Adduct the Arm

Muscles of the ShoulderMedial Group:

Teres Major

No.

Name Origin Insertion

3 Coracobrachialis

Coracoid Process of Scapula

Teres Major Tuberosity of

Humerus

NerveNerve: Musculocutaneous Nerve

Blood: Brachial, Cranial Circumflex Humeral Artery

Action: Flex the shoulder joint & Adduct the Arm

Muscles of the ShoulderMedial Group:

Coracobrachialis

No.

Name Origin Insertion

4Articular Humeri Scapula Head & Body Of

HumerusNerveNerve: Axillary Nerve

Blood: Caudal Circumflex Humeral Artery

Action: Protect the Shoulder Joint

Muscles of the ShoulderMedial Group:

No.

Name Origin Insertion

1 Biceps Brachii

Supraglenoid Tubercle

Radial Tuberosity &

Medial collateral

Ligament of Elbow

NerveNerve: Musculocutaneous Nerve

Blood: Brachial & Transverse Cubital Artery

Action: Flex the elbow + Fix the shoulder & Elbow+ Assist the extensor carpiradialis

Muscles of the Arm

Biceps Brachii

No.

Name Origin Insertion

2 Brachialis Brachial Groove of Humerus

Radial Tuberosity

NerveNerve: Musculocutaneous Nerve

Blood: Brachial Artery

Action: Flex the elbow Joint

Muscles of the Arm

Brachialis

No.

Name Origin Insertion

3 Tensor Fascia Antebrachii

Caudal Border of Scapula

Oleocranon &

Deep fascia of the forarm

NerveNerve: Radial Nerve

Blood: scapular + Collateral Ulnar + Deep Brachial + Thoracodorsal

Action: Extensor of the elbow

Muscles of the Arm

Tensor Fascia Antebrachi

Muscles of the Arm

4. Triceps Brachiia.Long Headb.Lateral Headc.Medial Head

No.

Name Origin Insertion

4/1

Long Head Caudal Border of Scapula

Oleocranon Tuberosity

NerveNerve: Radial Nerve

Blood: Subscapular & deep Brachial Artery

Action: Flex the shoulder joint & Extend the elbow

Muscles of the Arm

Triceps Muscle:

Long Head of Triceps

No.

Name Origin Insertion

4/2

Lateral Head

Deltoid Tuberosity

Oleocranon Tuberosity

NerveNerve: Radial Nerve

Blood: Subscapular & deep Brachial Artery

Action: Flex the shoulder joint & Extend the elbow

Muscles of the Arm

Triceps Muscle:

Lateral Head of Triceps

No.

Name Origin Insertion

4/3

Medial Head Medial of Humerus

&Ters Major Tuberosity

Oleocranon Tuberosity

NerveNerve: Radial Nerve

Blood: Deep Brachial Artery & Collateral Ulnar

Action: Extend the elbow

Muscles of the Arm

Triceps Muscle:

Medial Head of Triceps

No.

Name Origin Insertion

5 Anconeus Oleocranon Fossa of Humrus

Oleocranon

NerveNerve: Radial Nerve

Blood: Deep Brachial Artery

Action: Extend the elbow

Muscles of the Arm

Anconeous

What is the name of this

muscle?

Acromial Part of deltoid

What is the name of this

muscle?

Cleidocervicalis

Dog

What is the name of this

muscle?

Cervical Part of Trapezius

No.

Name Origin Insertion

11 Extensor Extensor Carpi Carpi

radialisradialis

Lateral Epicondyle of Humerus

Metacarpal Tuberosity

NerveNerve: Radial Nerve

BloodBlood:Transverse Cubital Artery

Action: Action: Flex the Elbow, Extend & Fix the carp

Extensor Carpiradialis

No.

Name Origin Insertion

22 Extensor Extensor Digitorum Digitorum CommonisCommonis

.a.aMed. BellyMed. Belly.b.bLat. BellyLat. Belly

In Car.: 5 TendonIn Car.: 5 TendonIn Rum.: 2 TendonIn Rum.: 2 TendonIn Eq.: 1 TendonIn Eq.: 1 Tendon

Lateral Epicondyle of Humerus

Extensor Process of distal phalanx

NerveNerve: Radial Nerve

BloodBlood: Radial + Cranial interoseus + Transverse Cubital Artery

Action: Action: Flex the Elbow, Extend the carpus & digits

Extensor digitorum Commonis

No.

Name Origin Insertion

33 Extensor Extensor Digitorum Digitorum LateralisLateralis

Lateral Epicondyle of Humerus

1st digit

NerveNerve: Radial Nerve

BloodBlood: Cranial interoseus + Transverse Cubital Artery

Action: Action: Extend the digits & carpus

Extensor digitorum Lateraris

No.

Name Origin Insertion

44 Extensor Extensor Carpi Carpi

ObliqusObliqus

Lateral of Radius Head of 2nd Metacarp

NerveNerve: Radial Nerve

BloodBlood:Transverse Cubital & Cranial interosseus Artery

Action: Action: Extend the carpus

No.

Name Origin Insertion

11 Flexor Carpi Flexor Carpi RadialisRadialis

Medial Epicondyle of Humerus

Proximal on 3rd Metacarpal Bone

NerveNerve: Median Nerve

BloodBlood: Median & Brachial Artery

Action: Action: Extend the Elbow, Flex the carp

Flexor Carpi Radialis

No.

Name Origin Insertion

22 Flexor Carpi Flexor Carpi UlnarisUlnaris

.a.aUlnar HeadUlnar Head.b.bHumeral HeadHumeral Head

a.Oleocranon b. Medial Epicondyle of Humerus

Accessory Carpal Bone

NerveNerve: Ulnar Nerve

BloodBlood:

Action: Action: Extend the Elbow, Flex the carp

Flexor Carpi Ulnaris(Humeral Head)

Flexor Carpi Ulnaris(Ulnar Head)

No.

Name Origin Insertion

33 Ulnaris Ulnaris Lateralis Lateralis (Extensor (Extensor

Carpi Carpi Ulnaris)Ulnaris)

Lateral Epicondyle of Humerus

Accessory Carpal Bone

NerveNerve: Radial Nerve

BloodBlood:Caudal interosseus, Collateral Ulnar, Median & Brachial Artery

Action: Action: Extensor of the Elbow, Flex the carp

Extensor Carpi Ulnaris (Ulnaris

Lateralis)

No.

Name Origin Insertion

4 Flexor Digitorum Superficialisa. Superficial Partb. Deep Part

Medial Epicondyle of

Humrus

Palamr Surface of Middle

Phalax

NerveNerve: Ulnar Nerve

Blood: Median, Caudal Interosseus, Brachial Artery

Action: Flex the Digits & Carpus, Extend The Elbow

Flexor Muscles of the Forearm & Manus

Superficial part of Flexor digitorum superficialis

Deep part of Flexor digitorum superficialis

No.

Name Origin Insertion

5 Flexor Digitorum Profundus

.aRadial Head.bHumeral Head

.cUlnar Head

.aRadius.bMed.

epicondyle of Humerus

.culna

Flexor Tubercle of distal Phalanx

NerveNerve: Ulnar , Median Nerve

Blood: Median, Collateral ulnar, Brachial Artery

Action: Flex the Digits & Carpus, Extend The Elbow

Flexor Muscles of the Forearm & Manus

Tendon of flexor digitorum profundus

No.

Name Origin Insertion

6 Lumbricales Arround the tendon of Flexor

digitorum profundus

Fibrous tissue

NerveNerve: Median , Ulnar Nerve

Blood: Palmar Metacarpal a.

Action: نامحسوس

Flexor Muscles of the Forearm & Manus

No.

Name Origin Insertion

7 Interossei Metacarpal bone

Fetlock Fascia

Action: نامحسوس

Flexor Muscles of the Forearm & Manus

No.

Name Origin Insertion

8 Pronator Teres

Medial Epicondyle of Humerus

Medial Border of Humerus

Action: حرکت به داخل

Flexor Muscles of the Forearm & Manus

Pronator Teres

No.

Name Origin Insertion

9 Supinator Teres

Medial Epicondyle of Humerus

Lateral Border of Humerus

Action: حرکت به خارج

Flexor Muscles of the Forearm & Manus

No. Name Origin Insertion

10 Supinator Long

Lateral Epicondyle of Humerus

Antebrachial Fascia

Flexor Muscles of the Forearm & Manus

No. Name Origin Insertion

11 Supinator Short

Lateral Epicondyle of Humerus

Medial border of radius

Action: نامحسوس

Flexor Muscles of the Forearm & Manus

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