1. Hip Region and Thigh - Hip joint anatomy and biomechanics - Muscles of the hip and thigh (quadriceps, hamstrings, adductors) - Femoral triangle and neurovascular structures - Major nerves: femoral, sciatic, obturator 2. Leg (Between Knee and Ankle) - Knee joint anatomy and mechanics - Anterior, posterior and lateral compartments - Major muscles: gastrocnemius, soleus, tibialis anterior - Neurovascular structures - Deep veins and lymphatics 3. Foot and Ankle - Ankle joint complex - Intrinsic foot muscles - Arches of the foot - Plantar fascia - Retinacula and tendon sheaths 4. Clinical Correlations - Common injuries and conditions - Gait analysis - Surface anatomy and landmarks - Clinical examination techniques