What is Hypotonia?

Hypotonia (low muscle tone) describes reduced baseline muscle tension. Muscles may feel “floppy” or less resistant to movement, which can contribute to:

• Reduced postural control (slumping, poor endurance in sitting/standing)

• Joint instability or hypermobility (in some people)

• Delayed motor milestones in children (e.g., sitting, crawling, walking)

• Fatigue with physical activity and reduced stamina

Important: Hypotonia is a clinical sign, not a diagnosis on its own. It can occur for many reasons, and assessment helps clarify the likely contributing factors and the most useful therapy plan.

Common Signs and Symptoms

Hypotonia presents differently depending on age, cause, and functional demands. Common signs include:

In babies and children

• Delayed motor milestones (head control, rolling, sitting, crawling, walking)

• “W-sitting,” slumped posture, or poor sitting endurance

• Difficulty with balance and coordination

• Reduced strength for climbing, jumping, running, or playground skills

• Fine motor difficulty (pencil control, scissors, buttons)

• Increased fatigue with activity
  
  

In teens and adults

• Low endurance and reduced postural stamina (neck/shoulder/back fatigue)

• Joint instability, aches, or recurrent sprains (especially if hypermobile)

• Coordination challenges or reduced exercise tolerance

• Functional difficulties at work, study, sport, or daily tasks

If hypotonia is accompanied by regression (loss of skills), significant swallowing/breathing concerns, or rapidly changing symptoms, medical review is recommended.

What Can Contribute to Hypotonia?

Hypotonia can be associated with a wide range of underlying factors. These may include:

• Genetic conditions (e.g., Down syndrome, Prader–Willi syndrome and others)

• Neurological conditions (central or peripheral nervous system involvement)

• Neuromuscular conditions (affecting nerves and/or muscles)

• Prematurity and early medical complexity

• Developmental delay or broader neurodevelopmental profiles

We don’t diagnose the underlying medical cause—this is managed by the child’s paediatrician/neurologist/genetic team (or a GP/specialist for adults). Our role is to assess function and provide therapy that supports daily participation.

Frequently Asked Questions

What’s the difference between hypotonia and hypertonicity?

Hypotonia is low tone (reduced baseline tension). Hypertonicity is increased tone (stiffness/tightness). Both can affect function, but they present differently and require different management approaches.

Can hypotonia improve?

Often, function improves significantly with targeted therapy, strength development, and consistent practice. Some people continue to have low tone long-term, but can still build stability, skills, and independence.

How does hypotonia affect a child’s development?

It can contribute to delays in milestones and reduced endurance for play and posture. Early, goal-directed intervention can support motor development, confidence, and participation.

Is therapy for hypotonia covered by the NDIS?

It may be, depending on the participant’s plan management type, goals, and NDIA requirements. We can help align therapy supports to functional goals.

How Palms Can Help

Our approach focuses on functional goals—the skills that matter most at home, school, work, and in the community.

Therapy may include:

• Functional assessment of movement, endurance, balance, and daily tasks

• Individualised home program and carryover strategies

• Support for parents/carers and (with consent) collaboration with schools/support teams

• A coordinated plan across physiotherapy, OT, EP, and speech pathology where relevant
  
  

Physiotherapy for Hypotonia

Physiotherapy supports gross motor development, stability, and movement confidence.

Physiotherapy may focus on:

• Postural control and core stability for sitting/standing endurance

• Strength and motor control (hips, trunk, shoulders, feet/ankles)

• Balance and coordination training for safer movement and play

• Gait and mobility skills (stairs, running, jumping, hopping, playground skills)

• Task-based practice to build real-world functional capacity

• Advice on graded activity and pacing to manage fatigue
  
  

Occupational Therapy for Hypotonia

Occupational Therapy supports everyday skills and independence, particularly where hypotonia affects fine motor control and endurance.

OT may include:

• Fine motor development (pencil skills, scissors, tool use)

• Self-care skills (dressing, feeding, toileting routines as appropriate)

• Hand strength and endurance for classroom/work tasks

• Task and environment modifications (seating, desk set-up, classroom supports)

• Equipment or assistive device recommendations when clinically indicated (e.g., supportive seating, writing supports)
  
  

Exercise Physiology for Hypotonia

Exercise physiology can support older children, teens, and adults to build general conditioning and sustainable activity habits.

EP may focus on:

• Graded strength and endurance programs

• Low-impact conditioning options (gym, hydro, circuit-based programs)

• Improving movement tolerance and stamina for sport, school, or work

• Safe progression planning to reduce overload and support consistency
  
  

Speech Pathology and Hypotonia

Speech pathology may be helpful when hypotonia affects oral motor coordination, speech clarity, feeding/swallowing, or breath support.

Speech pathology may include:

• Assessment of communication and functional impact

• Support for speech clarity and intelligibility (when relevant)

• Feeding/swallowing screening and strategies where indicated

• Referral pathways for instrumental swallowing assessment (e.g., VFSS/FEES) if clinically required via medical teams
  
  

Therapy Approaches We May Use

Treatment is individualised and may include:

Strength and stability building

• Targeted strengthening to support joint control and posture

Postural endurance training

• Building capacity to hold positions (sitting/standing) for longer with less fatigue

Motor skill development

• Practice of age-appropriate skills (playground, sport, classroom tasks)

Joint support and hypermobility considerations

• Where joint hypermobility is present, therapy focuses on controlled movement, stability, and pacing

Assistive equipment (when appropriate)

• Recommendations made individually based on function, safety, and daily needs

Book Hypotonia Support in Perth

If you’re seeking hypotonia therapy in Perth, our team can help with assessment and a practical plan focused on strength, stability, endurance, and participation.

Our Sensory Room and Kids Therapy Gym

Sensory Room

Our sensory room can be used (when clinically appropriate) to:

• Explore sensory preferences safely

• Support regulation strategies

• Practise functional participation skills (attention, transitions, tolerance of sensory input)
  
  

Kids Therapy Gym

Our kids gym allows therapists to work on:

• Gross motor skills (climbing, jumping, balance, coordination)

• Core strength and movement confidence

• Play-based therapy goals within an engaging environment
  
  

Early Intervention and Family-Centred Support

Early support can be helpful for building communication, play, regulation, daily living skills, and participation. That said, support is valuable at any age, and goals should be realistic, functional, and aligned with the child and family.

We prioritise:

• Practical strategies you can use at home

• Collaboration with educators and support teams (with consent)

• Consistent goal review and measurable progress tracking where appropriate
  
  

NDIS & Funding Support

We support self-managed and plan-managed NDIS participants (and private clients). Therapy recommendations aim to inform support needs and planning, noting that NDIS funding decisions are made by the NDIA.

External Resources for Hypotonicity in Australia

Down Syndrome Australia – Hypotonicity and Muscle Tone
https://www.downsyndrome.org.au
Resources and information on managing low muscle tone in individuals with Down syndrome.

Better Health Channel – Hypotonia (Low Muscle Tone)
https://www.betterhealth.vic.gov.au
Information on hypotonia, its causes, symptoms, and treatments for managing low muscle tone.

Cerebral Palsy Alliance – Hypotonicity in Cerebral Palsy
https://cerebralpalsy.org.au
Information on the management of low muscle tone in individuals with cerebral palsy.

NDIS (National Disability Insurance Scheme)
https://www.ndis.gov.au
Learn more about funding and therapy support for individuals with hypotonicity through the NDIS.

Spinal Muscular Atrophy Australia
https://smaaustralia.org.au
Support and resources for individuals with spinal muscular atrophy, a condition commonly associated with hypotonicity

Important disclaimer: This webpage contains general information only and is not intended to be relied upon as personal clinical advice. While we aim to keep information accurate and up to date, it may not reflect the most current research or your individual circumstances. Palms Physiotherapy & Allied Health does not accept liability for decisions made based on this information without an individualised assessment by an appropriately qualified health professional. If you have concerns, please contact us to book an assessment or speak with your GP/medical team.