A, Kelikian approach to drain medial half of posterior compartment of knee. Semimembranosus tendon has been divided, and its proximal end has been sutured to deep fascia. Capsule has been windowed, and posterior horn of medial meniscus has been excised. B, Kelikian approach to drain lateral half of posterior compartment of knee. Incision has been made medial to biceps femoris tendon to protect common peroneal nerve. Biceps tendon has been divided at its insertion, popliteus tendon has been freed from its origin, and free ends of tendons have been sutured to deep fascia. Capsule has been windowed, and wedge of lateral meniscus has been excised. SEE TECHNIQUE 22.10.