1 General 1.1 What do the 'straight-trainers' do with crooked children? - or: What is pediatric orthopaedics? 1.2 Orthoses, protheses, theories and inventive individuals - a historical review 1.3 Highs and lows in pediatric orthopaedic illnesses - Developments, trends 2 Basic principles 2.1 Diagnosis 2.2 Development of the musculoskeletal system 3 Diseases and injuries by site 3.1 Spine, trunk 3.2 Pelvis, hips and thighs 3.3 Knee and lower leg 3.4 Upper ankle and foot 3.5 Upper extremities 4 Systematic aspects of musculoskeletal disorders 4.1 Traumatology - basic principles 4.2 Axes and lengths 4.3 Infections 4.4 Juvenile rheumatoid arthritis 4.5 Tumors 4.6 Hereditary diseases 4.7 Neuro-orthopaedics