Orgin & Insertions Flashcards by Angelina Demkowicz | Brainscape

Q

External Oblique

A

O: ribs & thoracolumbar fascia

I: linea alba

Action: compress abdomen

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Q

Internal Oblique

A

O: pelvis & thoracolumbar fascia

I: linea alba

Action: compress abdomen

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Q

Transversus abdominis

A

O: ribs, ilium, vertebra

I: linea alba

Action: compress abdomen

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Q

Rectus abdominis

A

O: pubis

I: sternum & costal cartilage

Action: compress abdomen & flexes trunk

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Q

Latissimus Dorsi

A

O: thoracolumbar fascia & vertebra

I: humerus

Action: elevates and draws humerus caudally

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Q

Serratus Ventralis

A

O: ribs

I: scapula

Action: draws scapula ventrally & cranially

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Q

Scalenus

A

O: ribs

I: vertebra

Action: flexes neck & draws ribs anteriorly

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Q

External intercostal

A

O: ribs

I: rib

Action: elevates ribs

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Q

Internal intercostals

A

O: rib

I: rib

Action: depresses ribs

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Q

Rhomboideus capitas

A

O: skull

I: scapula

Action: draws scapula cranially

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Q

Supraspinatus

A

O: supraspinous fossa

I: humerus

Action: extends humerus

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Q

Infraspinatus

A

O: infraspinous fossa

I: humerus

Action: rotates humerus

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Q

Teres Major

A

O: scapula

I: humerus

Action: draws humerus medially

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Q

Subscapularis

A

O: subscapular fossa

I: humerus

Action: draws humerus medially

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Q

Acromiodeltoid

A

O: scapula

I: humerus

A: flexes and rotates humerus

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Q

Levator scapulae ventralis

A

O: atlas and skull

I: scapula

A: draws scapula cranially

Q

Spinotrapezium

A

O: vertebra

I: scapula

A: draws scapula dorsally and caudually

Q

Acromiotrapezium

A

O: vertebra

I: scapula

A: draws scapula dorsally and medially

Q

Clavotrapezium

A

O: skull

I: clavicle & clavobrachialias

A: draws humerus cranially

Q

Digastric

A

O: skull

I: mandible

A: depresses lower jaw

Q

Sternomastoid

A

O: sternum

I: mastoid process

A: rotates head

Q

Masseter

A

O: zygomatic arch

I: mandible

A: elevates lower jaw

Q

Pectoantebrachialis

A

O: sternum

I: fascia of forearm

A: adducts and rotates forelimbs

Q

Pectoralis major

A

O: sternum

I: humerus

A: abducts and rotates forelimbs

Q

Pectoralis minor

A

O: sternum

I: humerus

A: abducts and rotates forelimbs

Q

Xiphihumeralis

A

O: xiphoid process

I: humerus

A: adducts and rotates forelimbs

Q

Biceps brachii

A

O: scapula

I: radius

A: flexes forearm