Lab: Muscle Actions Flashcards Preview

Spinal > Lab: Muscle Actions > Flashcards

Flashcards in Lab: Muscle Actions Deck (24)
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1
Q

Splenius Capitis

A

Laterally flex head and rotate face to side; bilaterally extend head

2
Q

Splenius Cervicis

A

Laterally flex and rotate neck; bilaterally extend neck

3
Q

Iliocostalis Lumborum

A

Extension, lateral flexion, rotation of L spine; lateral movement of pelvis

4
Q

Iliocostalis Thoracis

A

Extension, lateral flexion T spine

5
Q

Iliocostalis Cervicis

A

Extension, lateral flexion, rotation lower C spine

6
Q

Longissimus Thoracis

A

Lateral flexion T spine and ribs (L spine inadvertently); bilaterally act in extension of T and L spine, hold T and L spine erect (increases L lordosis); lateral movement of pelvis

7
Q

Longissimus Cervicis

A

Lateral flexion of neck; bilaterally extend neck

8
Q

Longissimus Capitis

A

Rotate and laterally flex head; bilaterally extend head

9
Q

Spinalis Thoracis

A

Extend T spine

10
Q

Spinalis Cervicis

A

Lateral flexion and rotation of head; bilaterally extend head

11
Q

Spinalis Capitis

A

Lateral flexion and rotation of head; bilaterally extend head

12
Q

Semispinalis Thoracis

A

Extension, rotation, and lateral flexion of upper T and lower C spine; bilaterally extend T spine

13
Q

Semispinalis Cervicis

A

Extension, rotation, and lateral flexion of C spine; bilaterally extend neck

14
Q

Semispinalis Capitis

A

Turns face to side; bilaterally extends head (neck inadvertently)

15
Q

Rectus Capitis Posterior Major

A

Turns face to side; bilaterally extends head

16
Q

Rectus Capitis Posterior Minor

A

Extends head

17
Q

Obliquus Capitis Superior

A

Lateral flexion of head; bilaterally extends head

18
Q

Obliquus Capitis Inferior

A

Turns face to side

19
Q

Quadratus Lumborum

A

Steadies origin of diaphragm; when pelvis is fixed, it will laterally flex L spine; bilaterally extends L spine; stabilizes and depresses 12th rib

20
Q

Serratus Posterior Superior

A

Elevate upper 5 ribs in inspiration

21
Q

Serratus Posterior Inferior

A

Draws lower 4 ribs down and back; forced inspiration

22
Q

Longus Colli

A

Flexion and extension of neck; rotation to contralateral side

23
Q

Longus Capitis, Rectus Capitis Anterior

A

Flex head

24
Q

Rectus Capitis Lateralis

A

Laterally flex head to ipsilateral side