Cerebral palsy is a group of lifelong movement and posture disorders caused by injury to the developing brain before, during or shortly after birth. It affects muscle tone, coordination and balance, and symptoms vary widely. Physical therapy can improve mobility, strength and independence at every age. SportsMed Physical Therapy provides care at New Jersey and Connecticut locations.
What Is Cerebral Palsy?
Cerebral palsy is a non-progressive disorder of movement and posture caused by damage to the developing brain, usually in the motor cortex, basal ganglia or cerebellum. The brain injury itself does not worsen over time, but its effects on muscles, joints and bones do change as a person grows, which is why care continues into adulthood.
Clinicians classify cerebral palsy by movement type and body distribution. Spastic cerebral palsy, marked by stiff, tight muscles, accounts for roughly 80 percent of cases. Dyskinetic forms involve involuntary movements, and ataxic forms affect balance and coordination. Distribution may be hemiplegic, diplegic or quadriplegic. The Gross Motor Function Classification System, or GMFCS, rates function from level I, walking without limits, to level V, requiring full support.
Cerebral palsy is the most common physical disability of childhood, affecting about 2 to 3 of every 1,000 live births. Many people also live with epilepsy, vision differences, communication challenges or learning differences.
What Causes Cerebral Palsy?
Most cases begin before birth, when brain development is disrupted by reduced oxygen or blood flow, infection or bleeding. Periventricular leukomalacia, damage to the white matter near the brain’s ventricles, is a frequent finding in babies born very prematurely. Birth complications account for a smaller share than once believed. A minority of cases are acquired after birth from meningitis, head injury or stroke during the first years of life. In many families no single cause is ever identified, and that uncertainty is normal.
It is also worth naming what does not cause cerebral palsy. It is not contagious, it is not caused by anything a parent did during pregnancy in the vast majority of cases, and it is not a progressive disease. The brain injury happened once and does not spread, even though its visible effects on movement change as a child grows and the body places new demands on muscles and joints.
Common causes and risk factors include:
- Premature birth, especially before 32 weeks
- Very low birth weight, under 1,500 grams
- Reduced oxygen or blood flow to the brain before or during delivery
- Maternal or fetal infection, including chorioamnionitis
- Bleeding in the brain or perinatal stroke
- Multiple births, such as twins or triplets
- Head trauma, meningitis or encephalitis in infancy
What Are the Symptoms of Cerebral Palsy?
Signs usually appear in the first two years. Parents may notice a baby who feels unusually stiff or unusually floppy, favors one hand well before their first birthday, or misses milestones such as rolling, sitting or walking. As children grow, muscle tightness can pull joints into fixed positions and affect hip and spine alignment. Severity varies enormously: one child may walk independently with a slight limp while another needs full support for sitting and transfers. Signs are often clearest during transitions such as standing up from the floor, and a parent’s observation at home is frequently the earliest and most reliable clue.
Typical symptoms include:
- Increased muscle tone and stiffness, or unusually low tone
- Delayed milestones in sitting, crawling or walking
- Toe walking, scissoring gait or asymmetric crawling
- Poor balance, frequent falls or difficulty on stairs
- Early strong hand preference before 12 months
- Difficulty with fine motor tasks, feeding or speech
- Joint contractures and hip or spine changes over time
Seek prompt medical attention for a sudden loss of a skill your child already had, new seizures, rapid changes in tone, or increasing pain, since these are not typical of cerebral palsy itself.
How Is Cerebral Palsy Diagnosed?
Diagnosis combines a developmental history with a detailed neurologic and motor examination. Clinicians assess muscle tone, reflexes, persistent primitive reflexes, posture and voluntary movement quality, and track milestones over repeated visits. Standardized tools such as the General Movements Assessment and the Hammersmith Infant Neurological Examination allow accurate diagnosis as early as five months corrected age.
MRI of the brain identifies the pattern of injury in most children and helps rule out progressive conditions. Genetic and metabolic testing is used when imaging is normal or the picture is unusual. Physical therapists contribute GMFCS classification and functional measures that guide the care plan.
How Physical Therapy Treats Cerebral Palsy
Physical therapy for cerebral palsy is long-term and goal-driven rather than curative. The aim is to build the strength, motor control and independence that let a person move through their day. SportsMed therapists start with a functional assessment, then design a program around specific goals such as sitting unsupported, walking to the classroom or driving a power chair safely.
Core components include task-specific practice, progressive strengthening, and stretching or positioning to slow contracture formation. Gait and balance training addresses walking efficiency, and therapy is often coordinated with orthotics, botulinum toxin injections or orthopedic surgery. Neurologic rehabilitation techniques delivered through vestibular and neurological rehabilitation support motor learning and postural control. Hand and occupational therapy develops reaching, grasping and self-care skills. For families where travel is difficult, in-home care brings therapy into the daily environment. HomeCare visits are arranged through our Brick, Englewood, Franklin Lakes and Jersey City McGinley Square teams. Adults with cerebral palsy benefit from continued strengthening and mobility work, since fatigue and joint pain often increase with age. Care may also overlap with therapy for torticollis in infants or for traumatic brain injuries when cerebral palsy is acquired after birth.
Families are partners in this work, not spectators. Therapists teach handling, positioning, stretching and transfer techniques so that practice continues between visits, and they coordinate with school-based therapists, orthotists and physicians so everyone is working toward the same goals rather than duplicating effort.
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How Long Does Recovery Take?
Cerebral palsy is lifelong, so the goal is progress rather than cure. Focused therapy blocks aimed at one skill often show measurable change in 8 to 12 weeks. Children commonly move between periods of intensive therapy and lighter maintenance, with extra support during growth spurts, after botulinum toxin injections, or following orthopedic surgery. Progress is faster with consistent home practice, family involvement and well-fitted equipment. It slows during rapid growth, after long hospital stays, and when pain or spasticity is not managed. Adults benefit from ongoing conditioning to protect mobility.
Cerebral Palsy Therapy Near You in New Jersey and Connecticut
With clinics across New Jersey and Connecticut, SportsMed helps families find consistent care close to school and home, which matters when therapy runs for years. Bergen County families attend physical therapy in Bergenfield, NJ, our Franklin Lakes clinic, Ho-Ho-Kus, Glen Rock and Lyndhurst. We also serve Paramus, Ridgewood, Englewood, Hackensack, Emerson, Fair Lawn, Fort Lee and Garfield, with families traveling from Newark and Stamford, Connecticut. Appointment times outside school hours are often available, which helps children stay in class and lets parents keep therapy consistent across the year.
Our footprint covers Bergen, Essex, Hudson, Middlesex, Monmouth, Morris, Ocean, Passaic and Union Counties in New Jersey, plus Fairfield and New Haven Counties in Connecticut. See all New Jersey locations and Connecticut locations, use the clinic finder, or request an evaluation.
Frequently Asked Questions About Cerebral Palsy
Q: Can physical therapy cure cerebral palsy?
A: No. The underlying brain injury is permanent and no therapy reverses it. Physical therapy can meaningfully improve strength, balance, walking efficiency and independence, and it helps prevent secondary problems such as contractures, hip displacement and deconditioning. Many people gain new functional skills at every stage of life.
Q: At what age should cerebral palsy therapy start?
A: As early as possible. Infant brains are highly adaptable, and early intervention during the first two years takes advantage of that plasticity. Therapy can begin as soon as a diagnosis or high risk is identified, sometimes before six months corrected age, and continues in blocks throughout childhood and adulthood.
Q: Do adults with cerebral palsy still need physical therapy?
A: Yes. Many adults experience increasing fatigue, joint pain and reduced walking distance in their thirties and forties. Ongoing strengthening, mobility work and equipment review can slow that decline. Episodic therapy blocks after a change in function or a surgery are common and often very effective.
Q: What is the GMFCS and why does my therapist use it?
A: The Gross Motor Function Classification System describes a person’s usual mobility on a five-level scale, from walking without restriction to relying on full assistance. It helps therapists set realistic goals, choose appropriate equipment, and track meaningful change over years rather than comparing against typical development milestones.
Q: Does insurance cover cerebral palsy physical therapy in New Jersey?
A: Most commercial plans, NJ FamilyCare and Medicaid cover medically necessary physical therapy, though visit limits and authorization rules vary. Some plans require a physician referral even where direct access exists. SportsMed teams verify coverage and handle authorizations before care begins so families know their costs.
Q: Can cerebral palsy therapy happen at home instead of a clinic?
A: Yes, in many cases. SportsMed offers in-home care for patients who cannot easily travel or who benefit from practicing in their own environment. Home sessions are useful for equipment setup, transfer training and caregiver coaching, and they can alternate with clinic visits.
Whether you are seeking a first evaluation for your child or renewed support as an adult, a clear plan makes a difference. SportsMed therapists set specific, measurable goals and revisit them as needs change.
Book an appointment at a New Jersey or Connecticut clinic near you.Reviewed by the SportsMed Physical Therapy clinical team. Last updated: August 2026.