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K Neck & Trunk
OIAN
| Term | Definition |
|---|---|
| erector spinae O | spinous processes, transverse processes, and post ribs from the occiput to the sacrum and ilium |
| erector spinae I | spinous processes, transverse processes, and posterior ribs from the occiput to the sacrum & ilium |
| erector spinae A | bilateral: ext unilateral: lat bend |
| transversospinalis (multifundus) O | transverse processes |
| transversospinalis (multifundus) I | spinous processes of vertebra above |
| transversospinalis (multifundus) A | bilateral: ext trunk unilateral: rotate trunk to opposite side |
| quadratus lumborum O | iliac crest |
| quadratus lumborum I | 12th rib, transverse processes of all lumbar vertebrae |
| quadratus lumborum A | trunk lateral bending |
| sternocleidomastoid O | sternum & clavicle |
| sternocleidomastoid I | mastoid process |
| sternocleidomastoid A | bilateral: flexes neck, hyperext head unilateral: laterally bends the neck; rotates head to opposite side |
| sternocleidomastoid N | accessory nerve (cranial XI); 2nd & 3rd cervical nerves |
| scalenes O | transverse processes of the cervical vertebrae |
| scalenes I | 1st & 2nd rib |
| scalenes A | bilateral: assists in neck flexion unilateral: neck lateral bending |
| splenius capitis O | lower 1/2 of nuchal ligament; spinous processes of C7-T3 |
| splenius capitis I | lateral occipital bone; mastoid process |
| splenius capitis A | bilateral; ext head & neck unilateral: rotate & laterally bend head to same side |
| splenius cervicis O | spinous processes of T3-T6 |
| splenius cervicis I | transverse processes of C1-C3 |
| splenius cervicis A | bilateral: ext head unilateral: rotate & laterally bend neck to same side |
| rectus abdominis O | pubis |
| rectus abdominis I | xiphoid process & costal cartilages of 5th, 6th & 7th ribs |
| rectus abdominis A | trunk flexion; compression of abdomen |
| external oblique O | lower 8 ribs laterally |
| external oblique I | iliac crest & linea alba |
| external oblique A | bilateral: trunk flexion; compression of abdomen unilateral: trunk lateral bending; rotation to opposite side |
| internal oblique O | inguinal ligament, iliac crest, thoracolumbar fascia |
| internal oblique I | 10th, 11th, 12th ribs; abdominal aponeurosis |
| internal oblique A | bilateral: trunk flexion; compression of abdomen unilateral: trunk lateral bending; rotation to same side |
| transverse abdominis O | inguinal ligament, iliac crest, thoracolumbar fascia & last 6 ribs |
| transverse abdominis I | abdominal aponeurosis & linea alba |
| transverse abdominis A | compression of abdomen |