Final answer:
The technique used for spinal anesthesia is called spinal technique. Spinal anesthesia involves injecting local anesthetics into the subarachnoid space of the spinal canal, resulting in temporary loss of sensation and motor function in the lower part of the body.
Step-by-step explanation:
The technique used for spinal anesthesia is called spinal technique. Spinal anesthesia, also known as subarachnoid block, is a form of regional anesthesia that involves injecting local anesthetics into the cerebrospinal fluid in the subarachnoid space of the spinal canal. This technique results in temporary loss of sensation and motor function in the lower part of the body.