MSK Trunk and Ribcage Musculature Flashcards
Inspiration (Diaphragm)
Cord segment?
Nerves?
C3-5
Phrenic
Inspiration
What other muscles besides diaphragm are involved?
Cord segment?
Nerves?
Levator costarum
External intercostals
Anterior internal intercostals
T1-12
Intercostal
Forced expiration
Muscles? (5)
Cord segment
Nerves?
Int obliques TA Ext obliques Posterior internal intercostal Rectus abd
T7-L1 T7-T12 T1-T12 T7-T12 Intercostal N. - ALL
Spine extension
Muscles?
Cord segment
Nerves?
Erector spinae, transversospinalis, interspinales, rotatores, intertransversarii
T1-12, L1-5, S1-3
No nerve
Spine flexion
Muscles?
Cord segment
Nerves
Rectus abd/ext obliques
Internal obliques
Psoas minor
T7-T12 - intercostal
T7-L1 - intercostal
L1 - lumbar plexus
Spine lateral flexion (hip hiking in reverse)
Muscles
Cord segment
Nerves
QL
T12-L3
Lumbar plexus
Spine rotation
Muscles
Cord segment
Nerves
Rotators,
Int/ext obliques
Intertransversarii
Transversospinalis