Stand along the wall in the shallow-end. Step on the noodle with your far foot and put it slightly in front of your body. Hold the rail (or the side of the pool) with one hand. Keep your arm straight and relax your shoulders. Put your other arm by your side.
Stand by the side of the pool. Hold the wall with one hand. Step on the noodle with your far foot slightly in front of your body. Keep your other hand still by your side and your back straight.
In the deep-end, while in standing position, hold the wall or the rail with both hands and stretch your arms to create enough space between your body and the wall. Step on the noodle with both your feet. Keep your back straight.
Stand in the shallow area by the side of the pool. Rest one hand on the wall/edge and keep your arm straight. Put your other hand in the water on your side and relax both your shoulders. Step on the noodle with your far foot and spread it slightly to the side (up to 45°). Keep your back straight and your body weight on your leg, not on the wall.
Aqua Exercises for Legs