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K Neck & Trunk
quiz
| Question | Answer |
|---|---|
| the vertebral column as a whole has how many degrees of freedom? | 3 |
| name 3 primary functions of the spinal column | provides pivot point for motion & support of the head at the cervical region, encases spinal cord |
| they kyphotic curves are found in which areas of the spinal column? | thoracic, sacral |
| the thoracic spinal area is characterized as having the most movement in which directions? | rotation, lateral bending |
| the vertebral disk is designed with a gelatinous central portion called the _____ and a fibrocartilangenous outer portion called the _____ | nucleus pulposus, annulus fibrosus |
| rotation of the spine takes place in the _____ plane | transverse |
| what are unique characteristics of the C1 vertebra or atlas? | no vertebral body, no true spinous process |
| the sternocleidomastoid (SCM) originates on the: | sternum & clavicle |
| when the scalene mm work unilaterally, the right scalene mm would: | laterally flex to the right |
| the innervation for the SCM mm is: | spinal accessory |
| ligamentum nuchae takes the place of the ______ in the cervical spine | supraspinal ligament, interspinous ligament |
| the action of the posterior subocciptal mm as a group is to cause rotation to: | same side |
| what is the insertion of the scalene mm? | 1st & 2nd ribs |
| name all the actions of the sternocleidomastoid mm. | flexion, ext, lateral bend, rotates opposite side |
| the portion of the neural arch that is just posterior to the body is the: | pedicle |
| name the origin of the external oblique mm. | lower 8 ribs laterally |
| what is the main action of the transverse abdominis? | compression of the abdomen |
| rotation of the torso in the supinge position toward the left is performed by the: | right external oblique and left internal oblique |
| as a group, the erector spinae mm bilaterally: | extend the trunk |
| as a group, the transversospinalis mm unilaterally: | rotate the trunk the opposite side |
| the ligament that prevents excessive backward bending is the: | anterior longitudinal ligament |
| the transverse foramen is found in what section of the vertebral column? | cervical |
| when the quadratus lumborum acts in reverse action it causes: | hip hiking same said (elevates the pelvis) |
| name the origin of the rectus abdominis | pubis |
| indicate the layers of the posterior trunk mm. the most superficial should be labeled 1, second deepest 2, third 3. | 1. latissimus dorsi 2. erector spinae 3. transversospinalis |
| what is another name for the ondontoid process? | axial node |
| what anatomical features dictate the type/degree of motion that occurs at each spinal level-cervical vs thoracic vs lumbar? | |
| T or F the facet joints of the spine do not contain a synovial capsule. | false |
| what are the names of the 3 mm that make up the erector spinae? | spinalis, iliocostalis, longissimus |
| how many mm make up the transversospinalis group? | 3 |
Created by:
jessigirrl4
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