Flashcards in Exam 2- PPT1 Deck (72)
What are the other names for the intervertebral motor unit?
Functional motor unit
Physiological motor unit
Vertebral motor unit
What is the definition of an intervertebral motor unit?
2 adjacent vertebrae and their contiguous structures
Flexion of the vertebrae: ______ the IVF
Flexion of the spine: _______ cervical/lumbar lordosis but _________ the thoracic kyphosis
Opens up the IVF
Extension of the vertebrae: ______ the IVF
Extension of the spine: ______ Cervical/lumbar lordosis but ________ the thoracic kyphosis
Closes the IVF
Increases Cervical/lumbar lordosis but decreases the thoracic kyphosis
What are the 7 functions of the vertebral column
Protection and transmission
Support and weight bearing
Shape and position
How does the vertebral column function in protection and transmission
Protects the spinal cord and trasmits nerves to other parts of the body
How does the vertebral column function in stabilization
Used for attachment of muscles and ligaments
How does the vertebral column funciton in support and weight bearing?
Supports the head and bears the weight of the entire body except the legs
How does the vertebral column function in shape and position
Provides erectness and body contours or shape
How does the vertebral column function in motion
Allows for flexible movement
Inferior border of the scapulae when upright is in line with the tip of spinous ____ and when lying down tip of the spinous ______
What is the name of the common fracture that occurs at the tip of spinous of C-7
What is the most common areas of thoracic compression fracture
Body of T-11 or 12
What is the most common areas for lumbar compression fracture?
Body of T-12/L1
What is the most common area for sacral fracture?
Horizontal fracture at the end of the 3rd or 4th sacral tubercle area
In cervical lateral bending: vertebral body moves the ______ direction as the lateral bending. The spinous process moves to the ______ side.
Same direction (ispilateral)
Opposite side (contralateral side)
In lumbar lateral bending: the vertebral body moves to the _____ side as lateral bending and the spinous process moves to the _____ side
Opposite side (contralateral)
Same side (Ipsilateral)
What is the definition of subluxation?
Loss of proper vertebral joint function that may affect proper nerve function and good health
Where does fertilization take place?
Distal 1/3rd of the Fallopian tube
It takes _______ (time frame) before it enters the uterus
What implants in the uterus on day 7?
What are the first 2 main structures to begin developing in the embryo?
The spine and nervous system
The heart and vascular system
The round egg flattens out and becomes the ________
The ectodermal floor of the amniotic cavity thickens and the center of the midline ceases and becomes the ______ ______
Neural streak (neural plate)
The neural streak invaginates and becomes the ______ ______
What is the beginning of the overall NS?
What is the group of cells called that form from mesoderm and will form the cephalic portion of the embryo called?
Primitive node or hensen’s node
What marks the longitudinal axis of the embryonic body and will form the guide to further spinal devleopment
The spine begins to form during the _______ embryonic week