Extension methods Extension methods. Relevant articles and demonstrations: "Loss""Laxity""Lift""Lift""Lift""Lever" or "Lelli""Line""Lag" Previous Next Heel Height Evaluating Extension LaxityHeel Height Evaluating Extension LiftHeel Height Evaluating Extension LossHeel Height Evaluating Epicondyle Location Previous Next Heel Height Evaluating Extension LineHeel Height Evaluating Extension LimitHeel Height Evaluating Extension LiftHeel Height Evaluating Extension LagHeel Height Evaluating Extension Lever (Lelli) Previous Next