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Junior Spinefitter by Sissel in green, a child-sized spinal training and posture tool with raised nodules designed for core stability, posture correction and motor skill development
Hands bending the green Junior Spinefitter by Sissel, showing its flexible, nodule-based design for children’s posture, core stability and motor skill training.
Sissel Spinefitter Junior - Child’s bare foot balancing on a Spinefitter posture and balance trainer during coordination exercise.
Junior Spinefitter physiotherapy tool demonstrating soft, pressure-responsive surface for posture training
Children walking wearing backpacks fitted with the Junior Spinefitter to support posture and spinal alignment
Group of children barefoot in a school gym balancing and walking on colourful Spinefitter training tools to improve posture, coordination and motor skills
Two children sitting on a gym box holding a Spinefitter junior posture trainer shaped into a heart.
Physiotherapist guiding children using the Junior Spinefitter for posture and core strength training.
Junior Spinefitter by Sissel in green, a child-sized spinal training and posture tool with raised nodules designed for core stability, posture correction and motor skill development
Hands bending the green Junior Spinefitter by Sissel, showing its flexible, nodule-based design for children’s posture, core stability and motor skill training.
Group of children barefoot in a school gym balancing and walking on colourful Spinefitter training tools to improve posture, coordination and motor skills
Sissel Spinefitter Junior - Child’s bare foot balancing on a Spinefitter posture and balance trainer during coordination exercise.
Two children sitting on a gym box holding a Spinefitter junior posture trainer shaped into a heart.
Junior Spinefitter physiotherapy tool demonstrating soft, pressure-responsive surface for posture training
Physiotherapist guiding children using the Junior Spinefitter for posture and core strength training.
Children walking wearing backpacks fitted with the Junior Spinefitter to support posture and spinal alignment
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15361

Sissel Spinefitter Junior

  • Encourages Healthy Spinal Alignment & Core Strength - By activating deep stabilising muscles, the Spinefitter Junior promotes upright posture, strengthening the back and core, and prevents slouching, laying the foundation for lifelong healthy movement
  • Recommended by Paediatric Physiotherapists & Educators - Trusted by professionals, the Sissel Spinefitter for Juniors is a proven way to develop balance, core stability and body awareness in young users, supporting healthy growth and movement habits
  • Perfect for Schools, Home & Therapy Settings - Lightweight and easy to use, the Spinefitter is ideal for schools, clinics, sports clubs and home exercise, helping children improve coordination and core strength in a safe, enjoyable way
  • Made out of high quality, tear resistant, polyurethane foam - Simple to wipe clean after use, keeping it hygienic for everyday activities
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Product Description

Junior Spinefitter by Sissel – Posture & Core Training for Children & Adolescents

 

Support your child’s posture, motor skills, and core strength with the Spinefitter, designed specifically for children aged 4+ and adolescents up to 60 kg. This innovative physiotherapy tool is perfect for home use, therapy sessions, and sports training, helping young users build healthy movement patterns and body awareness from an early age.

 

Why Choose the Spinefitter?

  • Poor Posture & Spinal Alignment – Counteracts the effects of prolonged sitting, heavy schoolbags and excessive screen time by gently encouraging upright posture and a natural spinal curve.

  • Motor Development Delays & Coordination Problems – Stimulates sensory feedback and muscle activation to improve balance, reaction speed and gross motor skills.

  • Sensory Integration Difficulties – Provides tactile input that supports the nervous system, improving body awareness and confidence in movement.

  • Weak Core or Trunk Muscles – Strengthens essential stabilising muscles for better posture, injury prevention and enhanced sports performance.

  • Instability in Ankles or Feet – Promotes ankle stability, foot alignment and lower limb coordination to improve gait and running patterns.

  • Early Signs of “Smartphone Neck” – Re-educates head, neck and shoulder positioning to prevent long-term musculoskeletal strain from device use.

 

Key Benefits

  • Encourages Healthy Posture – Corrects posture errors caused by prolonged sitting, device use or lack of activity.
  • Builds Core & Trunk Strength – Develops the muscles that stabilise the spine, improving balance and body control.
  • Boosts Sensory & Motor Development – Enhances coordination, spatial awareness and movement control through playful training.
  • Safe, Child-Friendly Design – Soft, tear-resistant material is gentle on young bodies and ideal for therapy, sports or home use.
  • Versatile Training Tool – Perfect for physiotherapists, PE teachers, sports coaches and parents who want to support healthy physical development.
  • Lightweight & Portable – Easy to take between school, home and therapy sessions.

 

Who Is It For?

  • Children & Adolescents (4+ years, up to 60 kg) needing posture correction, improved core strength, or support with motor development.

  • Parents & Physiotherapists looking for a fun, effective way to promote movement and body awareness.

 

Benefits Beyond Posture


The Spinefitter for Juniors promotes long-term musculoskeletal health, supports positive body perception and encourages children to enjoy movement. Regular use helps lay the foundation for a lifetime of good posture, strong core stability, and efficient, pain-free movement.

 

Watch these videos to learn more about the Spinefitter for Juniors

 

 

Features & Specifications

Recommended For:Supporting posture and body awareness in children aged 4+ and adolescents up to about 60kg
Improving core strength, trunk support and balance via playful, sensorimotor exercises
Assisting in therapy settings for posture errors, ankle instability, flat feet/arch alignment issues and other developmental or orthopaedic concerns
Releasing spinal tension gently and promoting better spinal alignment using its paired-ball structure and soft, child-friendly materials
Material:High quality Polyurethane foam
Size:72cm X 9.5cm X 4.5cm (L x W x H)
Weight:0.56 kg
Contents:1 x SPINEFITTER, 1 x Instruction manual and 1 x carrying strap

FAQs

What is the Spinefitter Junior by Sissel used for?
The Sissel Spinefitter for Juniors is a child-friendly posture and balance training tool developed to improve spinal alignment, core strength, and sensorimotor skills in children and adolescents. Through playful exercises, it enhances movement coordination, body awareness and balance, helping to prevent postural problems and encourage healthy physical development.

What age group is the Spinefitter Junior suitable for?
This kids’ posture correction and core stability trainer is designed for children aged 4 years and up, including adolescents up to approximately 60 kg in weight. It’s the perfect introduction to healthy movement habits from an early age.

Is the Spinefitter Junior only for physiotherapy use?
No. While it is widely used in paediatric physiotherapy clinics, occupational therapy settings and sports programmes, it’s also ideal for home use under adult supervision. This makes it a versatile tool for everyday posture support, balance training and active play.

What common conditions can the Spinefitter Junior help with?
• Poor posture, rounded shoulders or slouching
• Weak trunk or core strength
• Sensory integration disorders
• Movement planning and coordination difficulties
• Delayed motor development

What are the benefits of using the Spinefitter Junior regularly?
Regular use helps develop core strength, improve posture, enhance balance and coordination, and promote healthy spine growth, while also supporting motor skill development.

What types of exercises can children do on the Spinefitter Junior?
Children can perform a variety of exercises, including:
• Core strengthening and stability exercises
• Balance and coordination drills
• Stretching routines for flexibility
• Fun, playful activities to improve sensorimotor skills

Delivery & Returns

 

For domestic (United Kingdom) orders we offer 2 delivery options. The majority of items will be sent via Royal Mail 48 tracked service (delivery 3-5 working days), unless otherwise specified. For your peace of mind all our items will be sent with tracking so you can easily keep an eye on your order. For any orders over £55, shipping is free and will be sent with Royal Mail 48.

Shipping Service Service Level Shipping Cost
  Order over £55  FREE
Royal Mail 24 95% Arrive Next Day £6.49
Royal Mail 48 3-5 Working Days. Free for orders over £55. £4.49

We ship all international orders via Royal Mail International. For estimated delivery times and a full list of destinations we ship to, please visit our Delivery Information page.

Discreet Packaging

We go the extra mile to make sure your purchase is carefully wrapped to conceal its contents—only your address will appear, with no mention of what's inside.

 

Returns

If you’re not 100% happy with your purchase you can return it within 30 days of delivery. Whether it’s the wrong size, or you just want to return it, we will be happy to offer an alternative or a refund. We give 30 days (from date of receipt) to return an item.

If the item is faulty/damaged, you’ll receive a FULL refund. However, if the item is no longer suitable or you have changed your mind, a small postage charge of £3.95 will be deducted. Please ensure unwanted items are unopened, unused, and everything is in a re-saleable condition; if the probe has been used, the price of the probe will be deducted from your order. Please get in touch with our Customer Service Team if you have any questions.

  • Product Description

  • Features & Specifications

  • FAQs

  • Delivery & Returns

Junior Spinefitter by Sissel – Posture & Core Training for Children & Adolescents

 

Support your child’s posture, motor skills, and core strength with the Spinefitter, designed specifically for children aged 4+ and adolescents up to 60 kg. This innovative physiotherapy tool is perfect for home use, therapy sessions, and sports training, helping young users build healthy movement patterns and body awareness from an early age.

 

Why Choose the Spinefitter?

  • Poor Posture & Spinal Alignment – Counteracts the effects of prolonged sitting, heavy schoolbags and excessive screen time by gently encouraging upright posture and a natural spinal curve.

  • Motor Development Delays & Coordination Problems – Stimulates sensory feedback and muscle activation to improve balance, reaction speed and gross motor skills.

  • Sensory Integration Difficulties – Provides tactile input that supports the nervous system, improving body awareness and confidence in movement.

  • Weak Core or Trunk Muscles – Strengthens essential stabilising muscles for better posture, injury prevention and enhanced sports performance.

  • Instability in Ankles or Feet – Promotes ankle stability, foot alignment and lower limb coordination to improve gait and running patterns.

  • Early Signs of “Smartphone Neck” – Re-educates head, neck and shoulder positioning to prevent long-term musculoskeletal strain from device use.

 

Key Benefits

  • Encourages Healthy Posture – Corrects posture errors caused by prolonged sitting, device use or lack of activity.
  • Builds Core & Trunk Strength – Develops the muscles that stabilise the spine, improving balance and body control.
  • Boosts Sensory & Motor Development – Enhances coordination, spatial awareness and movement control through playful training.
  • Safe, Child-Friendly Design – Soft, tear-resistant material is gentle on young bodies and ideal for therapy, sports or home use.
  • Versatile Training Tool – Perfect for physiotherapists, PE teachers, sports coaches and parents who want to support healthy physical development.
  • Lightweight & Portable – Easy to take between school, home and therapy sessions.

 

Who Is It For?

  • Children & Adolescents (4+ years, up to 60 kg) needing posture correction, improved core strength, or support with motor development.

  • Parents & Physiotherapists looking for a fun, effective way to promote movement and body awareness.

 

Benefits Beyond Posture


The Spinefitter for Juniors promotes long-term musculoskeletal health, supports positive body perception and encourages children to enjoy movement. Regular use helps lay the foundation for a lifetime of good posture, strong core stability, and efficient, pain-free movement.

 

Watch these videos to learn more about the Spinefitter for Juniors

 

 

Recommended For:Supporting posture and body awareness in children aged 4+ and adolescents up to about 60kg
Improving core strength, trunk support and balance via playful, sensorimotor exercises
Assisting in therapy settings for posture errors, ankle instability, flat feet/arch alignment issues and other developmental or orthopaedic concerns
Releasing spinal tension gently and promoting better spinal alignment using its paired-ball structure and soft, child-friendly materials
Material:High quality Polyurethane foam
Size:72cm X 9.5cm X 4.5cm (L x W x H)
Weight:0.56 kg
Contents:1 x SPINEFITTER, 1 x Instruction manual and 1 x carrying strap

What is the Spinefitter Junior by Sissel used for?
The Sissel Spinefitter for Juniors is a child-friendly posture and balance training tool developed to improve spinal alignment, core strength, and sensorimotor skills in children and adolescents. Through playful exercises, it enhances movement coordination, body awareness and balance, helping to prevent postural problems and encourage healthy physical development.

What age group is the Spinefitter Junior suitable for?
This kids’ posture correction and core stability trainer is designed for children aged 4 years and up, including adolescents up to approximately 60 kg in weight. It’s the perfect introduction to healthy movement habits from an early age.

Is the Spinefitter Junior only for physiotherapy use?
No. While it is widely used in paediatric physiotherapy clinics, occupational therapy settings and sports programmes, it’s also ideal for home use under adult supervision. This makes it a versatile tool for everyday posture support, balance training and active play.

What common conditions can the Spinefitter Junior help with?
• Poor posture, rounded shoulders or slouching
• Weak trunk or core strength
• Sensory integration disorders
• Movement planning and coordination difficulties
• Delayed motor development

What are the benefits of using the Spinefitter Junior regularly?
Regular use helps develop core strength, improve posture, enhance balance and coordination, and promote healthy spine growth, while also supporting motor skill development.

What types of exercises can children do on the Spinefitter Junior?
Children can perform a variety of exercises, including:
• Core strengthening and stability exercises
• Balance and coordination drills
• Stretching routines for flexibility
• Fun, playful activities to improve sensorimotor skills

 

For domestic (United Kingdom) orders we offer 2 delivery options. The majority of items will be sent via Royal Mail 48 tracked service (delivery 3-5 working days), unless otherwise specified. For your peace of mind all our items will be sent with tracking so you can easily keep an eye on your order. For any orders over £55, shipping is free and will be sent with Royal Mail 48.

Shipping Service Service Level Shipping Cost
  Order over £55  FREE
Royal Mail 24 95% Arrive Next Day £6.49
Royal Mail 48 3-5 Working Days. Free for orders over £55. £4.49

We ship all international orders via Royal Mail International. For estimated delivery times and a full list of destinations we ship to, please visit our Delivery Information page.

Discreet Packaging

We go the extra mile to make sure your purchase is carefully wrapped to conceal its contents—only your address will appear, with no mention of what's inside.

 

Returns

If you’re not 100% happy with your purchase you can return it within 30 days of delivery. Whether it’s the wrong size, or you just want to return it, we will be happy to offer an alternative or a refund. We give 30 days (from date of receipt) to return an item.

If the item is faulty/damaged, you’ll receive a FULL refund. However, if the item is no longer suitable or you have changed your mind, a small postage charge of £3.95 will be deducted. Please ensure unwanted items are unopened, unused, and everything is in a re-saleable condition; if the probe has been used, the price of the probe will be deducted from your order. Please get in touch with our Customer Service Team if you have any questions.

FAQ_15361