What are tonic-clonic muscle movements?

Tonic-clonic seizures involve both tonic (stiffening) and clonic (twitching or jerking) phases of muscle activity. Tonic-clonic seizures may start with a simple partial seizure or aura. The person may experience changes in sensation, mood or emotion leading up to the tonic-clonic seizure.

Can you have seizures in just your legs?

A tonic or clonic seizure can also begin in one area of the brain (called a partial or focal seizure), affecting only one part of the body such as an arm or a leg. Tonic or clonic seizures can start as partial and become generalized.

What are clonic tonic symptoms?

Tonic-clonic seizures

• tonic stage – you lose consciousness, your body goes stiff, and you may fall to the floor.
• clonic stage – your limbs jerk about, you may lose control of your bladder or bowel, you may bite your tongue or the inside of your cheek, and you might have difficulty breathing.

What does a clonic tonic seizure look like?

A tonic-clonic seizure usually begins on both sides of the brain, but can start in one side and spread to the whole brain. A person loses consciousness, muscles stiffen, and jerking movements are seen. These types of seizures usually last 1 to 3 minutes and take longer for a person to recover.

What are the symptoms of tonic seizures?

Signs and symptoms Tonic-clonic seizures: seizures with repetitive sequences of stiffening and jerking of the extremities. Myoclonic seizures: seizures with rapid, brief contractions of muscles. Atonic seizures: seizures with a sudden loss of muscle tone, often resulting in sudden collapse.

What is tonic phase of seizure?

Tonic and clonic are phases that happen during the seizure. The tonic phase causes your muscles to become stiff. You lose consciousness and may fall down. The clonic phase causes convulsions (repeated muscle contractions).

What does tonic clonic mean?

Medical Definition of tonic-clonic. : relating to, marked by, or being a seizure that affects both cerebral hemispheres and is characterized by the abrupt loss of consciousness with initially tonic muscle contractions followed by clonic muscle spasms During a generalized tonic-clonic…

What is tonic seizures?

ton·ic sei·zure. a seizure characterized by a sustained increase in muscle tone, of abrupt or gradual onset and offset, lasting a few seconds to a minute, usually 10-20 seconds; tonic seizures affecting proximal muscles bilaterally frequently lead to the adoption of a posture.