MSK Trunk and Ribcage Musculature Flashcards

1
Q

Inspiration (Diaphragm)

Cord segment?
Nerves?

A

C3-5

Phrenic

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2
Q

Inspiration

What other muscles besides diaphragm are involved?
Cord segment?
Nerves?

A

Levator costarum
External intercostals
Anterior internal intercostals

T1-12
Intercostal

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3
Q

Forced expiration

Muscles? (5)
Cord segment
Nerves?

A
Int obliques
TA
Ext obliques
Posterior internal intercostal
Rectus abd
T7-L1
T7-T12
T1-T12
T7-T12
Intercostal N. - ALL
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4
Q

Spine extension

Muscles?
Cord segment
Nerves?

A

Erector spinae, transversospinalis, interspinales, rotatores, intertransversarii
T1-12, L1-5, S1-3

No nerve

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5
Q

Spine flexion

Muscles?
Cord segment
Nerves

A

Rectus abd/ext obliques
Internal obliques
Psoas minor

T7-T12 - intercostal
T7-L1 - intercostal
L1 - lumbar plexus

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6
Q

Spine lateral flexion (hip hiking in reverse)

Muscles
Cord segment
Nerves

A

QL
T12-L3
Lumbar plexus

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7
Q

Spine rotation

Muscles
Cord segment
Nerves

A

Rotators,
Int/ext obliques
Intertransversarii
Transversospinalis

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