muscular system - dogs and cats

Which of these muscles is NOT used during inspiration?

Scalenus dorsalis muscle

Which muscles flex the elbow?

Extensor carpi radialis muscle

Bicep brachii muscle

Brachialis muscle

What muscle contains the linea alba?

Transversus abdominis muscle

Which of these is NOT important for hip stabilization?

Sartorius muscle

Which of these muscles are used to stabilize the lumbar spine?

Psoas major muscle

Lumbar Multifidus muscle 

A

splenius capitis muscle

B

omotransversarius muscle

C

Occipital Sternocephalicus

D

mastoid sternocephalicus

E

pectoralis profoundus 

F

pectoralis superficialis

G

rectus thoracis

H

scalenus dorsalis

I

serratus dorsalis cranialis

J

external intercostal 

A

Supinator

B

Extensor carpi radialis

C

Common digital extensor

D

Lateral digital extensor

E

Ulnaris lateralis

F

Flexor carpi ulnaris (ulnar head)

G

Superficial digital flexor

I

Deep digital flexor

H

Flexor carpi ulnaris (humeral)

J

Flexor carpi radialis

K

Pronator teres

A

Latissimus dorsi

B

Trapezius

C

Rhomboideus

D

Longissimus thoracis

E

Iliocostalis lumborum

F

Lumbar Multifidus

G

Psoas major

H

Iliocostalis thoracis

A

Scapular Deltoid

B

Acromial Deltoid

C

Brachialis

D

Triceps muscle (lateral head)

E

Triceps brachii muscle (long head)

F

Triceps muscle (accessory head)

G

Triceps muscle (medial head)

H

Biceps brachii

A

Gastrocnemius

B

Superficial digital flexor

C

Medial digital flexor

D

Lateral digital flexor

E

Long digital extensor

F

Tibialis cranialis

G

Lateral digital extensor

H

Peroneus longus

A

External abdominal oblique

B

Internal abdominal oblique

C

Rectus abdominis

D

Transversus abdominis

A

Biceps femoris

B

Semitendinosus

C

Semimembranosus muscle (caudal belly)

D

Gracilis

E

Gastrocnemius

F

Semimembranosus muscle (cranial belly)

G

Internal obturator

H

External obturator

I

Iliacus

J

Sartorius

K

Tensor fascia latae

L

Rectus femoris

M

Middle gluteal

N

Deep gluteal

O

Superficial gluteal

Sternocephalicus muscle (mastoid & occipital
parts)

lateral flexion of neck

Omotransversarius muscle

draws limb cranially

Splenius capitis muscle

extension and raising of neck

ipsilaterally causes flexion of neck

Trapezius muscle

Rotate scapula medially and rotate limb

Latissimus dorsi muscle

Medial movement of limb

Caudal movement of limb during shoulder flexion

Longissimus thoracis

Extension of vertebral column

Iliocostalis lumborum muscle

Fixation of vertebral column or lateral movement when only 1 side contracts

Pulls ribs caudally

Rhomboideus muscle

Elevate limb

Pull limb and shoulder cranially or caudally

Draw scapula against trunk

Lumbar multifidus muscle

stabilizes lumbar spine

Psoas major muscle

flex and externally rotate hip

Helps stabilize lumbar spine

Iliocostalis thoracis muscle

Extends and laterally flexes thoracic spine

External intercostal muscles

draws ribs together for inspiration

Serratus dorsalis cranialis

elevates ribs for inspiration

Scalenus dorsalis muscle

flex neck bilaterally

bend neck ipsilaterally

Rectus thoracis muscle

helps with ribcage movement during inspiration

Pectoralis profundus

trunk support

shoulder extension

move limb caudally

Pectoralis superficialis

support limb

limb adduction

move trunk laterally

External abdominal oblique muscle

support abdominal wall

Internal abdominal oblique muscle

support abdominal wall

Rectus abdominis muscle

support and compression of abdominal organs

expirations

urination, defecation, and parturition

Transversus

support abdominal wall

contains linea alba

Deltoid muscles (acromial and scapular)

flexes shoulder and lifts humerus

Biceps brachii muscle

Extends and stabilizes shoulder

Flexes elbow

Triceps muscles (lateral, medial, & accessory)

extends elbow

Triceps brachii muscle

extends elbow

flexes shoulder

Brachialis muscle

flexes elbow

Supinator muscle

Rotates paw outward (supination)

Extensor carpi radialis muscle

Elbow flexion

Carpi extension

Common digital extensor muscle

Extends carpal and phalangeal joints of digits #2-5

Lateral digital extensor muscle

Stabilizes foot

Extends carpal and phalangeal joints of digits #3-5

Ulnaris lateralis muscle

Flexes or extends carpal joint