A&PII Erector Muscle Word Scramble
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| Question | Answer |
| What muscles make up the Erector Spinae Group? | Spinalis, Longissimus, Iliocostalis |
| What Erector Muscle is in the middle of the 3? | Longissimus |
| What Erector Muscle is the smallest of the 3 and lies closest to the spine? | Spinalis |
| What action would you have a person do to contract the lower fibers of the Erector group? | Raise and lower feet slightly |
| What Erector Muscle originates on the common thoracis tendon and the TVP's of the upper five throacic vertebrae? | Longissimus |
| What Erector muscle inserts on the Spinous processes of upper thoracic and cervicals (except c1), and superior nuchal line of occiput? | Semispinalis Capitis |
| If you were to flex the spine, what would that action do to the iliocostalis muscle? And why? | lengthen it. Because the Iliocostalis is part of the Erector group and they extend the vertebral column |
| What group of muscles originate on the sacrum and TVPsof lumbar through cervical vertebrae | Multifidi |
| What muscle originates on the TVPs of lumbar through cervical vertebrae and inserts on the spinous processes of lumbar vertebrae through second cervical vertebra | Rotatores |
| The common tendon (lumborum), posterior surface of ribs 1-12 (thoracis and cervicis) is the origin of what Erector muscle? | Iliocostalis |
| Which Erector muscle originates and inserts on spinous processes? | Spinalis |
| What would happen to the multifidi muscles if you rotated to the same side? | They would lengthen |
| How would you access the Rotatores muscles if your person was prone? | Find the TVPs and direct your fingers towards the vertebrae |
| What would happen to the Rotatores muscles if you rotated to the opposite side? | They would shorten because they originate on the TVPs of lumbar through cervical and insert on the spinous processes causing them to shorten with the rotation. |
| The TVPs of lumbar vertebrae 1-3 and posterior surface of ribs 6-12, posterior surface of ribs 1-6, TVPs of lower cervicals is the insertion for what muscle? | Iliocostalis |
| What is the unilateral action of the Multifidi and the Rotatores? | Rotate the vertebral column to the opposite side. |
| Name all of the muscles that perform extension of the spine | Erector group, transversospinalis group, Quadratus Lumborum |
Created by:
khoekema
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