What is ipsilateral paralysis?

Ipsilateral paralysis refers to the loss of motor function on the same side of the body as the brain injury. It occurs when there is damage to the pathway between the brain and the muscles on the same side of the body, such as in the case of a stroke or a spinal cord injury.

During a stroke, for example, there is interruption of blood supply to a specific area of the brain, leading to the death of brain cells. If the affected brain area controls movement on the right side of the body, the result will be right-sided paralysis. Accordingly, if the left side of the brain is damaged, the paralysis will present on the left side, which is termed left-sided paralysis or left-sided hemiparesis.

Ipsilateral paralysis can affect limbs, muscles, and other motor functions on the same side of the body, depending on the specific location of the brain or spinal cord injury. The impact can range from mild weakness to complete loss of movement, often accompanied by sensory impairments such as loss of sensation or altered sensations on the affected side of the body.

Rehabilitation therapies, including physical therapy, occupational therapy, and speech therapy, play a crucial role in helping individuals with ipsilateral paralysis regain function, improve mobility, and adapt to their new physical abilities. The extent of recovery depends on various factors, including the type and severity of the injury, the individual's overall health, and their commitment to rehabilitation.