Core Muscles Flashcards Preview

Muscle Origins and Insertions > Core Muscles > Flashcards

Flashcards in Core Muscles Deck (7)
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1
Q

Quadratus Lumborum

A

Origin -
Iliac Crest

Insertion -
12th Rib
Transverse process of L1 - L4

Actions -
Lateral flexion of the spine
Lateral extension of the spine

2
Q

Rectus Abdominals

A

Origin -
Pubis

Insertion -
Sternum

Actions -
Flexion of the spine
Lateral flexion of the spine

3
Q

External Obliques

A

Origin -
Ribs

Insertion -
Ilium
Pubis

Actions -
Rotation of the spine
Lateral flexion of the spine

4
Q

Internal Obliques

A

Origin -
Ribs
Ilium

Insertion - 
Ilium
Pubis
Ribs
Linea Alba

Actions -
Rotation of spine
Lateral flexion of spine

5
Q

Transverse Abdominals

A

Origin -
Iliac Crest
Lumbar fascia

Insertion -
Pubis
Linea alba

Actions -
Support internal organs
Forced expiration

6
Q

Diaphragm

A

Origin -
Xiphoid process
Inner surface of the lower six costal cartilages

Insertion -
Centreal aponeurotic tendon

Actions -
Inspiration
Forced inspiration

7
Q

Intercostals

A

Origin -
Ribs
Costal cartilages

Insertion -
Superior border of next rib below

Actions -
Elevates ribs
Aids in respiration