10 Questions
Which spinal structure is responsible for preventing anterior movement of the superior vertebra on the inferior one?
Facet Joints
Which muscle group is responsible for lateral flexion of the lumbar spine?
Quadratus lumborum
Which anatomical structure consists of a central nucleus pulposus and an annulus fibrosus?
Intervertebral Disks
What is the main function of the intervertebral discs in the lumbar spine?
Bear loading during axial compression
Which muscle originates from the spinous processes of T11-L2 and is responsible for weakly depressing the ribs during expiration?
Serratus posterior inferior
Which muscle originates from the nuchal ligament and spinous processes of C7-T3 and is responsible for elevating the ribs weakly during inspiration?
Serratus posterior superior
Which ligament connects the anterior aspects of the vertebral bodies?
Anterior Longitudinal Ligament
Which muscle group is responsible for retracting and stabilizing the scapula, and rotating it to depress the glenoid cavity?
Transversospinal muscle group
Which muscle inserts into the floor of the intertubercular groove of the humerus and is responsible for extending, adducting, and medially rotating the humerus?
Latissimus dorsi
Which muscle group is innervated by the dorsal scapular nerve and C4-C5 spinal segments?
Transversospinal muscle group
This quiz covers the anatomical foundation and clinical application of the lumbar region, focusing on the bodies, pedicles, laminae, transverse process, and spinous process of the lumbar spine. It also aims to test the recognition and application of scientific principles of anatomy, kinesiology, and biomechanics during evaluation and treatment, as well as the ability to perform elements of an orthopedic physical examination and manual techniques.
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