Keep your bad leg out behind you. Hold onto the handrail with your free hand. Place the two front legs of the walker on the first step. Stair pushup. Firmly place your hands on a step. Step down with your weaker leg. Hold onto the handrail with one hand. To do so: 1  Turn the walker sideways with the crossbar next to you. Bring your walking aid up onto the same step. Grab the handrail and place the crutch onto the lower step. Hold the walker with one hand and the handrail with the other. Make sure to transfer your weight onto the crutch. Ascending stairs and steps 1. Your … 2. Take care not to put weight on your bad leg. Hover your injured leg over the step and hop down with your good leg. Repeat the procedure. Start near the edge of the step. Step down with your stronger leg. 3. Hold both crutches under your opposite arm. Ease into stair exercises without taking a step. Your injured leg should follow once you're on that step. Supporting your weight evenly between the handrail and walker, step up with your good leg. 4. So – to reduce stress and pain in the knee, the best way to climb stairs is this – keep your body upright, try not to lean forward, place your entire foot on the next step, apply force through the heel, and focus on pulling your heel backwards behind your body as you straighten your leg to move your body up the staircase. Hop onto the first step with your good (un-operated) leg. Keep crutches in the middle of the step, away from the edge. Take your weight through your walking aid and/or bannister. Make sure you have a good grip. Repeat this process until you're at the bottom. (If there’s no handrail, keep one crutch under each arm.) Put your crutches down on the next step below. To proceed to climb the first step, push down on the crutch to transfer your weight and hop onto the step with your good leg.