BOOST Physio

What Is Sciatica?

Sciatica is general medical term for pain that runs down the back of your leg, originating from the sciatic nerve or low back area.

Sciatica often occurs only on one side and may or may not radiate below the knee. Sciatica can present with back pain, but on occasion can simply be pain or pins and needles in the leg. Symptoms can be experienced into the buttock and back of the thigh, into the knee and calf or even as far down as the foot.

What Are The Symptoms Of Sciatica?

The Anatomy Of Sciatica

The sciatic nerve is the largest and longest nerve in the body. At its largest point, it is the width of a thumb. The nerve originates in the lower back as the nerve roots leave the spinal cord through small gaps between the bones (vertebrae) of your lower (lumbar) spine. The sciatic nerve is made up of five nerve roots, starting at the bottom two lower vertebrae called L4 and L5. As the nerve travels down the leg it branches out to different parts providing sensory (feeling) and motor (movement) functions along the way all the way down to the foot.

What Is The Most Common Cause Of Sciatica?

Disc Issues: One of the most common causes of sciatica are issues with the discs between the vertebrae. These discs (a shock-absorbing pad between each bony vertebra) can bulge or prolapse backwards and can touch the nerve roots exiting the spine sending pain down the back of the leg.

When Should I Seek Professional Help For Sciatica?

Should I Go To A&E About Sciatica Or Back Pain?

Most back pain or sciatica is not serious and does not require emergency medical attention or visits to A&E.

In rare circumstances there is a need to attend A&E as an emergency on the same day. If you experience new onset of any of the following symptoms- one should attend A&E as an emergency:

Luckily these symptoms are extremely rare.

How Can Physiotherapy Help My Sciatica?