A race car driver injures the right ventral root of his first lumbar vertebrate during a car crash. What major functions could b
e lost due to his injury? A. Movement in his lower extremities
B. Sensation in his left lower extremities
C. Movement in his upper extremities
D. Sensation in the right section of his upper body
-The 1st lumbar vertebra or the L1 vertebra is the smallest and most superior of the lumbar vertebrae. As the first vertebra in the lumbar region, the L1 vertebra bears the weight of the upper body and acts as a transition between the thoracic and lumbar vertebrae.
-The lumbar vertebrae contain spinal cord tissue and nerves which control communication between the brain and the legs.
