Axial Muscles Flashcards
SERRATUS POSTERIOR: INFERIOR
O - Lower Thoracic and Upper Lumbar SP
I - Lower Ribs
A - Depresses Ribs
N - Intercostal Nerves T9-T12
SPLENIUS CAPITIS
O - Cervical and Upper Thoracic SP
I - Mastoid Process and Superior Nuchal Line
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami of Inferior Cervical Nerves
SPLENIUS CERVICIS
O - Upper Thoracic SP
I - Upper Cervical TP
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami of Inferior Cervical Nerves
SERRATUS POSTERIOR: SUPERIOR
O - Lower Cervical and Upper Thoracic SP
I - Upper Ribs
A - Elevates ribs
N - Intercostal Nerves T1-T3
RECTUS ABDOMINUS
O - Ribs 5-7; Xiphoid Process
I - Pubic Ramus
A - Flexion
N - Intercostal Nerves T7-T12
EXTERNAL OBLIQUE
O -Posterolateral Ribs 5-12
I - Iliac Crest; Linea Alba
A - Flexion; Ipsilateral Lateral Flexion; Contralateral Rotation
N - Intercostal Nerves T7-T12
INTERNAL OBLIQUE
O - Iliac Crest; Thoracolumbar Fascia
I - Linea Alba; Inferior Ribs
A - Flexion; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Intercostal Nerves T7-T12
TRANSVERSE ABDOMINUS
O - Ribs 7-12; Thoracolumbar Fascia; Iliac Crest
I - Linea Alba
A - Support Abdominal Wall; Compress Abdomen
N - Intercostal Nerves T7-T12
ILIOCOSTALIS LUMBORUM
O - Iliac Crest
I - Angles of Lower Ribs
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
ILIOCOSTALIS THORACIS
O - Angles of Lower Ribs
I - Angles of Upper Ribs
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
ILIOCOSTALIS CERVICIS
O - Angles of Upper Ribs
I - Lower Cervical TP
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
LONGISSIMUS THORACIS
O - Lumbar TP
I - Thoracic TP; Lower 9 Ribs
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
LONGISSIMUS CERVICIS
O - Upper Thoracic TP
I - Cervical TP
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
LONGISSIMUS CAPITIS
O - Upper Thoracic and Lower Cervical TP
I - Mastoid Process
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami
SPINALIS THORACIS
O - Upper Lumbar and Lower Thoracic SP
I - Upper Thoracic SP
A - Extension; Ipsilateral Lateral Flexion; Ipsilateral Rotation
N - Dorsal Rami