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28 Cards in this Set

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True or False: The lumbar and cervical spine curves have a posterior convexity
FALSE
True or False: The apophyseal joints are considered triaxial.
TRUE
True or False: The vertebral bodies get progressively bigger from cervical to lumbar regions.
TRUE
True or False: The intradiscal pressure is higher in straight sitting then in supine
TRUE
Page 202
True or False: The posterior wall of the disc is weaker than the anterior portion.
TRUE
How much rotation can ocurr in the spine (all regions added together)?
125 degrees
How much rotation ocurrs at the Thorcolumbar region?
35 degrees
How much lateral flexion ocurrs at the Thorcolumbar region?
45 degrees
How much lateral flexion ocurrs at in the cervical region?
45 degrees
How much lateral flexion ocurrs at the Atlanto-occipital joint?
5 degrees
Page 191 Table 8-4
How much rotation occurs at the Atlanto-axial joint?
40-45 degrees
How much rotation occurs in the craniocervical regions?
90 degrees
Which of the following factors contribute to spinal coupling?
Muscle action, articular facet alignment, and geometry of the physiological curve
True or False: Flexion of the spine increases the diameter of the intervertebral foramen.
TRUE
Page 201
According to the Nachemson study, what posture creates the greatest amount of intradiscal pressure?
Standing, leaning forward with a weight in your hands
Page 202
True or False: Facet joints that are aligned horizontally favor sagittal plane motions.
False, they favor axial rotation
Page 190
True or False: thoracic vertebrae have facet joints that are aligned vertically.
TRUE
True or False: when performing a sit-up with rotation to the right, the person is using his right internal and left external oblique muscles.
TRUE
True or False: The multifidi and rotators are extenders of the spine (bilateral) as well as rotators to the contralateral direction (unilateral).
TRUE
True or False: a person with tight hamstrings will exhibit greater flexion in the lumbar and thoracic spine when performing trunk flexion.
TRUE
Page 219
True or False: During the middle phase of trunk extension, the majority of motion occurs at the hip joints.
FALSE, lumbar spine
Page 219
True or False: In the intracervical region: flexion motion is greater than axial rotation and axial rotation is less than lateral flexion ROM.
False: Rotation>flexion=lateral flexion
True or False: In the thoracic spine: extension motion is greater than axial rotation and axial rotation is less than lateral flexion ROM.
False: Rotation>lateral flexion=extension
True or False: In the lumbar spine: flexion motion is greater than axial rotation and axial rotation is less than lateral flexion ROM.
True
True or False: at the atlanto-occipital joint, extension is greater than lateral flexion which is greater than rotation.
True
True or False: Across the craniocervical region rotation has greater motion then extension which has greater motion than lateral flexion.
True
Define the term tight weakness.
Muscles kept in a habitually shortened position tend to lose their elasticity. They test strong only in the shortened positions but are weak as they are lengthened.
True or False: Protraction of the head is the result of flexion the lower cervical vertebrae and extension of the upper craniocervical region.
True
Page 196