April 16, 2026

Author

Thierry Pauyo, MD

Author

Thierry Pauyo, MD

The Developing Athlete: Why Pediatric Orthopedics is More Than Just “Small Adult” Medicine

As youth sports become increasingly competitive and year-round participation becomes the norm, we are seeing a significant rise in complex orthopedic injuries in children and adolescents.
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As youth sports become increasingly competitive and year-round participation becomes the norm, we are seeing a significant rise in complex orthopedic injuries in children and adolescents. From the local hockey rinks of Montreal to competitive ski hills across Canada, young athletes are pushing their bodies to the limit.

However, there is a fundamental rule in orthopedic medicine: A child is not a small adult. Their bones are still developing, their ligaments are often stronger than their bone tissue, and they possess a unique anatomical feature that adults do not: growth plates. At the Canadian Private Surgical Clinic, we specialize in the delicate balance of treating these injuries while protecting the child’s long-term growth potential.

1. The Vulnerable Zone: Understanding Growth Plate (Physeal) Injuries

The growth plate, or physis, is an area of developing cartilage located near the ends of long bones such as the femur, tibia, and radius. This is where new bone is produced as a child grows. Because this tissue is made of cartilage rather than solid bone, it is the weakest part of the growing skeleton.

The growth plates around the knee, specifically in the femur and tibia (the thigh bone and shin bone), are responsible for approximately 60-70% of lower-limb growth. An injury to one of these growth plates can have devastating consequences for leg length and alignment in the growing child.

Surgical procedures designed for adults are not intended to preserve the health of an open growth plate. A thorough understanding of growth plate anatomy is therefore essential when performing specialized procedures in children and adolescents.

Furthermore, injuries in growing athletes often present unique psychosocial challenges compared to adults. Time away from sport, school, and peers can impact a child or adolescent’s confidence, (athletic) identity, and overall well-being. Concerns about recovery, return to play, and reinjury may also create additional stress for both the athlete and their family.

At the Canadian Private Surgical Clinic, we recognize these complexities and take a holistic approach to care. In addition to addressing the physical injury, we ensure that young athletes and their families are supported throughout the recovery process, including referral to appropriate healthcare professionals such as physiotherapists, psychologists, or other specialists when needed.

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2. The Rising Threat: Stress Fractures and Overuse

In the past, stress fractures were primarily seen in military recruits or marathon runners. Today, they are increasingly common in adolescent athletes. This shift is largely driven by early sports specialization, where a child participates in a single sport (such as hockey or soccer) year-round without adequate rest or cross-training to allow for proper bone recovery.

This risk is further exacerbated by conditions such as Relative Energy Deficiency in Sport (RED-S), where inadequate caloric intake fails to meet the demands of growth and athletic activity, impairing bone health and healing capacity. Additionally, periods of rapid growth can create temporary imbalances between bone strength and mechanical load.

As a result, when there is an imbalance between training load and the body’s ability to recover, the risk of stress-related bone injury significantly increases.

A stress fracture is not a sudden break; it is a tiny crack in the bone that develops from repetitive loading. In young athletes, these often occur in:

  • The Tibia (Shin bone): Common in runners and soccer players.
  • The Metatarsals (Foot bones): Common in dancers and basketball players.
  • The Pars Interarticularis (Lower back): Known as spondylolysis, this is common in gymnasts and hockey players who frequently arch or twist their spines.

The “Lag Time” in Diagnosis: One of the challenges with stress fractures in children and adolescent is that they often do not show up on standard X-rays. This is where advanced diagnostics, like the High-Resolution Magnetic Resonance imaging (MRI) available through private channels, become invaluable for an early and accurate diagnosis.

3. Apophysitis: When the Tendon Pulls on the Bone

Often mistaken for “growing pains,” apophysitis is a common pediatric overuse injury where a tendon repeatedly pulls on a growth plate.

  • Osgood-Schlatter Disease: Pain and swelling just below the kneecap.
  • Sever’s Disease: Heel pain common in young soccer and basketball players.
  • Little Leaguer’s Elbow: Strain on the growth plate of the inner elbow from excessive and repetitive throwing.

While these conditions are rarely “surgical,” they require a specialized physical therapy approach to manage the load and prevent the “avulsion” (where the tendon actually pulls a piece of bone away).

The Canadian Private Surgical Clinic Advantage for Families

When your child is injured, time and expertise are the two most important factors. The public system often faces significant delays for pediatric orthopedic consultations and specialized imaging.

Our Pediatric Sports Medicine Program offers:

  • Direct Access to Specialists: Your child is seen by surgeons like Dr. Thierry Pauyo, who holds dual fellowships in both Sports Medicine and Pediatric Orthopedics (Harvard/Boston Children’s Hospital).
  • Rapid Diagnostic Imaging: Through private channels we avoid the months-long wait for MRIs and ultrasounds, allowing us to identify and treat issues promptly minimizing the effect on the mental health of your child.
  • Advanced Surgical Techniques: When surgery is required, we utilize “growth-sparing” techniques. For example, in pediatric ACL reconstruction, we use specialized methods that avoid drilling through the growth plates, ensuring the child can still grow to their full height.
  • A Holistic Recovery Team: Our physical therapists specialize in youth athletics, focusing on correcting the biomechanical issues (like poor landing mechanics) that led to the injury in the first place.

Red Flags: When to See a Specialist

Not every bump or bruise requires a surgeon, but parents should look for these signs that an injury is “more than just a sprain”:

  • Pain that persists after activity or wakes the child up at night.
  • Visible swelling over a bone (not just a joint).
  • A limp that lasts more than 48-72 hours.
  • Reduced range of motion in a limb compared to the uninjured side.

Your child’s athletic journey should be defined by their passion and progress, not by a preventable long-term injury. By recognizing that the pediatric skeleton requires specialized care, you are protecting your child’s future mobility and their ability to stay in the game for years to come.

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