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K Neck & Trunk


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