The five main types of cerebral palsy are Spastic, Ataxic, Dyskinetic, Mixed, and Hypotonic cerebral palsy. These categories describe the main movement and muscle challenges a child faces—such as muscle stiffness, balance difficulties, involuntary movements, or low muscle tone. Doctors also classify CP based on which limbs are affected, including Hemiplegia, Diplegia, Quadriplegia, Triplegia, and Monoplegia. Understanding these types helps families seek proper care, therapy, and—when the condition was caused by medical errors—legal assistance, especially in cities like Chicago, Illinois, where birth injury cases are more common than most realize.

Below is a complete, in-depth guide to each type of cerebral palsy, what causes them, how they impact daily life, and when families should speak with a Chicago cerebral palsy lawyer to explore compensation options.

What Is Cerebral Palsy?

Cerebral palsy (CP) is a lifelong neurological condition caused by damage to a developing brain, often before birth, during labor, or shortly after delivery. This damage affects muscle control, balance, posture, and coordination. Although no cure exists, early intervention, therapy, and supportive medical care help children lead fulfilling lives.

In a large percentage of cases—especially those involving oxygen deprivation, delayed C-section, improper monitoring, or misuse of delivery tools—CP may be linked to preventable medical mistakes.

The 5 Major Types of Cerebral Palsy

1. Spastic Cerebral Palsy (Most Common Type)

Spastic cerebral palsy accounts for nearly 80% of all CP cases. It is defined by tight, stiff, or rigid muscles, known as hypertonia, which interfere with smooth, controlled movements.

Key Characteristics

  • Muscles stay contracted for long periods
  • Movements appear jerky
  • Difficulty walking or maintaining posture
  • Increased risk of joint deformities
  • Scissor-like walking pattern in severe cases

Subtypes of Spastic CP

  • Spastic Hemiplegia: One side of the body affected
  • Spastic Diplegia: Legs more affected than arms
  • Spastic Quadriplegia: All four limbs affected

Spastic CP can be linked to oxygen deprivation during birth, a common issue in hospital settings in Chicago, Illinois, especially when fetal heart rate monitoring is ignored or improperly handled.

2. Dyskinetic Cerebral Palsy (Athetoid or Choreoathetoid)

Dyskinetic CP affects a child’s ability to control movements due to involuntary muscle contractions.

Key Characteristics

  • Slow, writhing motions (athetoid)
  • Sudden, jerky movements (choreoathetoid)
  • Difficulty holding posture
  • Trouble sitting, walking, gripping objects
  • Fluctuating muscle tone

This type is often caused by kernicterus, a condition resulting from untreated severe jaundice—another preventable condition seen in Chicago hospitals.

3. Ataxic Cerebral Palsy

Ataxic CP affects the part of the brain responsible for balance and coordinated movement.

Key Characteristics

  • Unsteady, shaky movements
  • Poor depth perception
  • Trouble writing, fastening buttons, or precise tasks
  • Wide-based gait
  • Tremors during purposeful actions

Children with ataxic CP often struggle with movements requiring accuracy and stability, which can be noticeable as early as toddlerhood.

4. Mixed Cerebral Palsy

Some children display symptoms from more than one type of cerebral palsy. The most common combination is spastic-dyskinetic, but any mix is possible.

Key Characteristics

  • Combination of stiffness, involuntary movement, or balance issues
  • More complex treatment needs
  • Varied severity from child to child
  • Requires multidisciplinary care

Mixed CP usually arises from extensive brain injury, sometimes linked to prolonged labor, improper emergency responses, or undiagnosed fetal distress.

5. Hypotonic Cerebral Palsy (Low Muscle Tone)

Hypotonic CP is marked by very low muscle tone, causing a “floppy” appearance in infants.

Key Characteristics

  • Difficulty sitting upright
  • Poor head and neck control
  • Delayed motor milestones
  • Weak reflexes
  • Trouble chewing or swallowing

Though sometimes grouped under other types, many experts consider hypotonic CP a distinct category because low tone significantly affects early development.

Body Involvement Patterns in Cerebral Palsy

These terms describe which limbs are impacted:

  • Monoplegia: One limb
  • Hemiplegia: One side of the body
  • Diplegia: Legs affected more than arms
  • Triplegia: Three limbs affected
  • Quadriplegia: All four limbs

Correctly identifying the pattern helps guide therapy, mobility plans, and long-term care needs.

Causes of Cerebral Palsy

While not all CP is preventable, a large portion of cases come from injuries or complications that could have been avoided with proper medical care.

Common Preventable Causes

  • Failure to monitor fetal distress
  • Delay in performing an emergency C-section
  • Misuse of forceps or vacuum extractors
  • Untreated infections in the mother or baby
  • Severe, untreated jaundice
  • Lack of oxygen during birth
  • Umbilical cord complications
  • Improper delivery technique

In Chicago, families frequently file medical malpractice claims when these errors lead to lifelong disabilities such as cerebral palsy.

Early Signs Parents Should Watch For

Symptoms often become noticeable within the first 6–12 months:

  • Delays in rolling over, crawling, or sitting
  • Stiff or floppy muscles
  • Favoring one side of the body
  • Poor coordination
  • Difficulty sucking, swallowing, or feeding
  • Tremors or jerky movements

Recognizing signs early allows for faster intervention and treatment planning.

Treatment Options for Cerebral Palsy

Although CP cannot be cured, children can benefit significantly from treatment such as:

Therapies

  • Physical therapy
  • Occupational therapy
  • Speech therapy
  • Behavioral therapy

Medical Interventions

  • Muscle relaxant medications
  • Botox injections
  • Orthopedic surgery
  • Braces or mobility devices

Support Services

  • Special education programs
  • Assistive communication tools
  • Home nursing care
  • Developmental evaluations

Families in Chicago, Illinois, have access to some of the most reputable pediatric neurology and rehabilitation centers in the Midwest.

Legal Rights for Families in Chicago

When cerebral palsy is caused by medical negligence, families may be entitled to compensation covering:

  • Lifetime medical expenses
  • Therapy, equipment, and care support
  • Lost earning potential
  • Pain and suffering
  • Home modifications
  • Emotional distress

A specialized birth injury attorney can investigate medical records, consult experts, and determine whether negligence occurred.

Speak With Our Chicago Cerebral Palsy Lawyer at Phillips Law Offices

We at Phillips Law Offices help families uncover the truth about their child’s condition and pursue the compensation they deserve. Whether your case involves oxygen deprivation, delivery mistakes, fetal monitoring errors, or untreated jaundice, we are ready to fight for you.

Contact our Chicago cerebral palsy attorneys today for a free, confidential consultation.

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