Generally speaking, the left side of your brain controls the right side of your body, and the right side of your brain controls the left side of your body, according to the website The Brain from Top to Bottom, which was written and developed by Bruno Dubuc, a neuroscientist at McGill University in Montreal. read more
The left hemisphere controls the muscles on the right side of the body while the right hemisphere controls those on the left. This is why damage to the left side of the brain, for example, might have an effect on the right side of the body. read more