𝗔𝗧𝗢𝗠𝗘𝗗𝗚𝗘 on Instagram: "Right now, your brain is actively commanding your body through this network! Spinal nerves are organized into 4 main groups: Cervical nerves supply the neck, shoulders, arms, and hands. Thoracic nerves serve the chest wall and trunk. Lumbar nerves control much of the hips and legs. Sacral nerves manage the pelvis, glutes, and lower limbs. These pathways drive movement, relay sensation, and integrate reflexes, making them essential for coordination, balance, and ev