Lumbar Spine Muscles

Match Muscle Origin

• Internal Oblique

• Iliac crest, inguinal ligaments, thoracolumbar fascia

• Transverse Abdominis

• Iliac Crest, thoracolumbar fascia, cartibales of ribs 6-12, and inguinal ligament

• External Oblique

• Lateral sides of ribs 4-12

• Recus Abdominis

• Xiphoid process and cartilages of ribs 5-7

Match Muscle Insertion

• Transverse Abdominis

• Iliac crest and linea alba

• Internal Oblique

• Ribs 9-12 and linea alba

• External Oblique

• Crest of pubis

• Rectus Abdominis

• Linea Alba

Match Muscle Origin

• Multifundus

• Transverse process L1-L4 and 12th rib

• Semispinalis

• All spinous process

• Rotatores & Intertransversarii

• All transverse process

• Quadratus Lumborum

• Transverese process T-T12

• Interspinalis

• Transverse process C4-T12

Intertransversarii Insertion

• Interspinalis

• SP 6-8 (above origin)

• Rotatores

• SP 2-4 (above origin)

• Intertransversarii

• All transverse process (below origin)

• Multifidus

• SP 1-2 (above origin)

• Semispinalis

• All spinous process (below origin)

Match

Groups:

(a) Flexion of trunk

,

(b) Posterior pelvic tilt

,

(c) Rotation of trunk

,

(d) Lateral flexion of trunk

• External Oblique (Bi) 2

• Internal Oblique

• Internal Oblique 2

• External Oblique (Uni) 2

• External Oblique (Bi)

• Transversospinalis (Uni)

• Quadratus Lumborum (Uni)

• Rectus Abdominis 2

• Rectus Abdominis

• External Oblique (Uni)

Match

Groups:

(a) Intra-abdominal pressure

,

(b) Extension of lumbar

,

(c) Extension of trunk

,

(d) Stabilization of back

• Transversospinalis (Bi)

• Transverse Abdominis

• Quadratus Lumborum (Bi)

• Intertransversarii

• Interspinalis