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Exam 5 A&P
Muscle of Torso
| Question | Answer |
|---|---|
| What is the insertion of the diaphragm? | Central Tendon |
| What is the action of the diaphragm? | Draw down the central tendon of the Diaphragm & Increase the volume of the thoracic cavity during inhalation |
| What is the primary muscle of respiration? | The Diaphragm |
| During what activity is the diaphragm's central tendon pulled inferiorly? | During inspiration (inhalation) |
| What is an action of the longissimus? | Unilaterally: Lateral flex vertebral column to the same side & Bilaterally: Extend the vertebral column |
| What is part of the origin of the iliocostalis? | Common Tendon (Lumborum) & Posterior surface of ribs 1-12 (thoracis and cervicis) |
| What is part of the insertion of the iliocostalis? | Transverse process of the lumbar vertebrae 1-3 & posterior surface of ribs 6-12, Posterior surface of ribs 1-6, Transverse process of lower cervical |
| To contract the lower fibers of the erector spinae group from a prone position, you could ask your partner to perform what action? | “Raise and lower your feet slightly” |
| When exploring between the scapula, through which muscle tissue must your palpate to access the erector spinae fibers? | Rhomboids and Trapezius & Serratus Posterior Inferior |
| Which muscle acts as an antagonist to the multifidi during extension of the vertebral column? | Rectus Abdominis |
| Which muscle acts as a synergist with the internal obliques during flection of the vertebral column? | External Oblique |
| Which muscle acts as an antagonist to the rotators during rotation of the vertebral column to the right side? | Internal Oblique on the left side |
| What is the origin of the quadratus lumborum? | Posterior iliac crest |
| Locating the last ribs, posterior iliac crest and the transverse process of the lumbar vertebrae will help you to isolate which muscle tissue? | Quadratus Lumborum |
| Which movement of the vertebral column will shorten the fibers of the splenius capitis on the left side of the body? | Rotation of the head to the left |
| Which primary deep muscle can be accessed in the cervical region where it is superficial between the trapezius and sternocleidomastoid? | Splenius Capitis |
| The edge of which muscle is especially useful in locating the suboccipitals? | Spinous Process C2 & superior nuchal line of occiput & C2 |
| The multifidi span between how many vertebrae? | 2 to 4 |
| Which movement of the vertebral column will shorten the fibers of the semispinalis capitis on the right side of the body? | Extension |
| What is the most medial branch of the erector spinae group? | Spinalis |
| The most lateral branch of the erector spinea group? | Iliocostalis |
| Rotation of the spine to the opposite side would do what to the rotatores? | Shorten |
| Lateral flexion of the spine to the same side shortens what muscle? | Longissimus |
| Rotation of the head to the opposite side would lengthen what muscle? | Oblique capitis inferior |
| Rotation of the head to the same side would shorten what muscle? | Rectus capitis posterior majoir |
| Which abdominal muscle runs vertically from the rib cage to the pubic crest? | Rectus abdominis |
| The thoracolumbar fascia serves as an attachment site for which two muscles? | Latissimus dorsi & any branches of the erector spinea group |
| The abdominal aorta is located where in the relationship to the psoas major? | Medial |
| To feel the ligamentum nuchea change tension underneath your fingers, what two passive movements can you preform at the head? | Flexion and Extension |
| Which movement of the vertebral column would shorten the fibers of the rectus abdominis? | Flexion |
| Which is the insertion of the rectus abdominis? | Cartilage of the 5th, 6th, and 7th ribs and xiphiod process |
| Which is a part of the insertion of the external oblique ? | anterior part of the iliac crest |
| What is an action of the internal obliques | Rotate vertebral column to the same side |
| Which is a part origin of the diaphragm? | inner surface of lower six ribs |
| What is a part of the insertion of the spinalis? | Spinous process of cervicals, except C1 |
| What is a part of the origin of the longissimus? | Transverse process of upper 5 thoracic vertebrae |
| An action of the longissimus? | Internally flex vertebral column to the same side |
| What connective tissue structure spans the external occipital protuberance and the spinous process of C7? | Ligamentum nuchae |
| What superficial ligament can be felt between the spinous process of the thoracic and lumbar vertebrae? | Supraspinous ligament |
| What is an action of the rectus capitis posterior major? | rotate the head to the same side |
| What is an insertion of the oblique capitis superior? | Between the nuchal lines of the occiput |
| What is an action of the oblique capitis inferior? | rotate the head to the same side |
| As a group, the transversospinalis muscle can be most easily located in which area? | Lamina groove of thoracic and lumbar vertebrae |
| What is the origin of the multifidi? | Sacrum and transverse processes of lumbar through cervical vertebrae |
| What is an action of the multifidi? | extend the vertebral column |
| What is an action of the semispinalis capitis? | extend the vertebral column and head |
| In contrast to the erector spinae group, the fibers of the transversospinalis group run in which direction? | diagonal |
| Muscle the compresses the abdomen | Internal Oblique |
Created by:
JML19
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