Editors: B. David Horn, MD, FAAOS (2020-present) and Martin J. Herman, MD, FAAOS (2020-present)

NOTE: The denotation “(overlap)” implies the chapter is listed in this section and another subspecialty section. For example, "Congenital Upper Extremity Differences" is listed in both Pediatrics and Hand and Wrist sections.

Section 1: Skeletal Growth and Development and Musculoskeletal Disorders and Syndromes

• Growth and Embryology
• Skeletal Dysplasias and Mucopolysaccharidoses
• Connective Tissue Diseases
• Other Conditions with Musculoskeletal Involvement

Section 2: Neuromuscular Disorders

• Cerebral Palsy
• Spinal Muscular Atrophy
• Myelomeningocele
• Arthrogryposis and Multiplex Congenita
• Muscular Dystrophies and Select Neurodegenerative Conditions

Section 3: Musculoskeletal Infection and Inflammatory Conditions

• Septic Arthritis
• Pediatric Osteomyelitis
• Complex Pediatric Musculoskeletal Infections
• Lyme Disease and Inflammatory Arthritis

Section 4: Upper Extremity Congenital Disorders

• Brachial Plexus Birth Injury
• Congenital Upper Extremity Differences
• Upper-Limb Deficiency and Prostheses  

Section 5: Pediatric and Adolescent Hip Disorders

• Developmental Dysplasia of the Hip
• Slipped Capital Femoral Epiphysis and Femoroacetabular Impingement
• Legg-Calvé-Perthes Disease

Section 6: Pediatric Foot Conditions

• Clubfoot (Talipes Equinovarus)
• Congenital Vertical Talus
• Metatarsus Adductus and Calcaneovalgus Foot
• Pediatric Foot Conditions

Section 7: Pediatric Lower Extremity Deformities and Limb Deficiencies

• Congenital Dislocations of the Knee and Patella
• Rotational and Angular Limb Deformities (3 separate manuscripts)
• Pediatric Lower Extremity Deformities and Limb Deficiencies
• Lower Extremity Deformity Analysis

Section 8: Musculoskeletal Conditions and Injuries in the Young Athlete

• Ligament Injuries: Musculoskeletal Conditions and Injuries in the Young Athlete
• Meniscal Tears and Discoid Meniscus
• Osteochondritis Dissecans and Panner Disease
• Patellofemoral Instability
• Shoulder Instability
• Foot and Ankle Sports Injuries in Pediatric Patients
• Hip Conditions in the Young Athlete
• Overuse Conditions

Section 9: Child Abuse, Pediatric Polytrauma, and Upper Extremity Injuries

• Child Abuse (Nonaccidental Trauma)
• Principles of Managing Pediatric Orthopaedic Injuries
• Clavicular Fractures and Sternoclavicular and Acromioclavicular Injuries in the Pediatric Patient
• Proximal Humerus Fractures and Humeral Shaft Fractures
• Medial Epicondyle and Lateral Epicondyle Fractures
• Proximal Radius Fractures
• Nursemaids Elbow
• Olecranon Fractures
• Distal Humerus Physeal Fractures, Pediatric Polytrauma, and Upper Extremity Fractures
• Diaphyseal Forearm Fractures, Distal Forearm Fractures, and Monteggia Fractures
• Phalangeal, Metacarpal, and Carpal Fractures 

Section 10: Spine, Pelvic, and Lower Extremity Fractures

• Pediatric Spine Trauma
• Pelvic and Hip Injuries
• Pediatric Femoral Shaft Fractures
• Physeal Fractures of the Distal Femur
• Patellar Fractures, Tibial Spine (Eminence) Fractures, Tibial and Fibular Fractures
• Tibial and Fibular Fractures
• Pediatric Foot and Ankle Trauma

Section 11: Pediatric Spine Conditions

• Congenital Scoliosis and Early Onset Scoliosis
• Adolescent Idiopathic Scoliosis
• Kyphosis
• Neuromuscular Scoliosis
• Pediatric Cervical Spine Abnormalities
• Pediatric and Adolescent Back Pain
• Syndromic Scoliosis

Section 12: Bone Cysts, Tumors, and Hematologic Conditions

• Bone Cysts and Benign Bone Neoplasms
• Musculoskeletal Malignancies and Limb Salvage
• Pediatric Hematologic Conditions