| Question | Answer |
| Interspinales- group, OINA | "Short Segmental muscles" O & I: btwn each spinous proc. N:dorsal rami of adjacent spinal nerves A: deep stabilizers of spine |
| Sternocleidomastoid - OINA | O: mastoid process of temporal bone I: (sternal head) manubrium (clavicular head) medial clavicle N: cranial nerve XI (spinal accessory) A: head and neck flexion, contralateral rotation and lateral flexion of head and neck |
| Spinalis- group,N,A | "Erector Spinae of the Trunk" N: dorsal rami of adjacent spinal nerves A: extension |
| Obliquus Capitis inferior- group,N,A | "Posterior Craniocervical-Suboccipital" N: Suboccipital nerve A: head and neck ext, rotate |
| Rectus Capitis Lateralis- group,N,A | "Deep Anterior" N:ventral rami A: lateral flexion |
| Scalenes - OINA | O: transverse processes of cervical vertabrae I: (anterior and middle) 1st rib (posterior) 2nd rib N: ventral rami A: flex neck, assist respiration, lateral flexion |
| Splenius Capitis- group,N,A | "Superficial Cervical Extensors" N: dorsal rami A: head and neck ext, lat flex, ipsi.rot. |
| Rotators- group,N,A | "Transversospinal" N: dorsal rami of adjacent nerves A: extension-rotation to opposite side |
| Iliocostalis- group,N,A | "Erector Spinae of the Trunk" N: dorsal rami of adjacent spinal nerves A: extension-lateral flexion |
| Semispinalis- group,N,A | "Transversospinal" N: dorsal rami of adjacent nerves A: extension-rotation to opposite side |
| Transverse abdominis- OINA | O: linea alba I: iliac crest, thoracolumbar fascia, ribs 6-12 cartilage and inguinal ligament N: intercostal nerves A: increase intraabdominal pressure, increase thoracolumbar fascia tension |
| Longus Colli -group,N,A | "Deep Anterior" N: ventral rami A: flex neck |
| Quadratus Lumborum- OINA | O: crest of ilium I: transverse proc. L1-L4 and 12th rib N:ventral rami A: ext.lumbar, lat.flex.trunk |
| Obliquus Capitis Superior-group,N,A | "Posterior Craniocervical-Suboccipital" N: suboccipital nerve A: head and neck ext, lat flex. |
| Splenius Cervicis- group,N,A | "Superficial Cervical Extensors" N: dorsal rami A: neck- extend, lat.flex, ipsi.rot. |
| Rectus Capitis Anterior- group,N,A | "Deep Anterior" N: ventral rami A: head flexion |
| Iliopsoas- OINA | Iliacus> O:lesser troch., I: iliac fossa ; psoas major> I: transverse processes T12-L5 N: femoral A: hip and trunk flex, ant.pelvic tilt |
| Internal Oblique- OINA | O: ribs 9-12, linea alba I: iliac crest, inguinal ligament, and thoracolumbar fascia N: intercostal nerves A: trunk flexion, posterior pelvic tilt, increase pressure-lateral trunk flexion and ipsilateral trunk rotation |
| Rectus Abdominus- OINA | O: xiphoid process and rib 5-7 cartilage I: crest of pubis N: intercostal nerves A: trunk flexion, posterior pelvic tilt, increase intra-abdominal and thoracic pressure |
| Rectus Capitis Posterior Minor- group,N,A | "Posterior Craniocervical-Suboccipital" N: suboccipital n. A: head and neck ext. |
| Rectus Capitis Posterior Major- group,N,A | "Posterior Craniocervical-Suboccipital" N: suboccipital nerve A: head and neck ext, lat flex, rotate |
| Longissimus-group,N,A | "Erector Spinae of the Trunk" N: dorsal rami of adjacent spinal merves A: extension-lateral flexion |
| Intertransversarus- group, OINA | "Short Segmental muscles" O & I: btwn each transverse proc. N: dorsal ramil of adjacent spinal nerve A: deep stabilizers of spine |
| Quadratus Lumborum | O: transverse processes of L1-4 and 12th rib I: crest of ilium N: ventral rami (T12-L3) A: hip hiker, lumbar extension-lateral flexion of trunk/unilateral |
| External Oblique- OINA | O: iliac crest, linea alba I: ribs 4-12 lat. side N: intercostal nerves (T8-12) A: trunk flexion, posterior pelvic tilt, and increase pressure-contralateral trunk flexion and lateral trunk flexion |
| Longus Capitis -group,N,A | "Deep Anterior" N: ventral rami A: flexion of head and neck |
| Multifidus- group,N,A | "Transversospinal" N: dorsal rami of adjacent nerves A: extension-rotation to opposite side |
