Dr. Marie-Lyne Nault is a highly specialized orthopedic surgeon and clinician-researcher with an extensive background in kinesiology and biomedical sciences. Her practice focuses on pediatric sports medicine, specifically managing complex hip, knee, and foot/ankle pathologies in young athletes and dancers. Her procedural expertise (children and adults) includes, but is not limited to:

• ACL reconstruction
• MCL reconstruction
• MPFL reconstruction
• Knee arthroscopy
• Ankle arthroscopy
• Hip arthroscopy
• Sports injury and trauma

She is recognized for establishing Canada’s first pediatric sports medicine "living lab" at CHU Sainte-Justine.

She performs a high volume of pediatric sports knee surgeries and is recognized as a leading expert in pediatric orthopedic knee conditions, including anterior cruciate ligament (ACL) reconstruction and meniscus repair. Additionally, she is an authority in pediatric ankle arthroscopy.

Dr. Nault leads multiple research, clinical, and academic initiatives in sports medicine. She founded and directs a pioneering pediatric sports medicine laboratory within her institution, dedicated to integrating cutting-edge research with clinical practice. This dynamic hub has attracted outstanding collaborators from diverse backgrounds, united by a shared mission to enhance care for patients with sports-related injuries.