Lying leg raise outer thigh exercise is a simple but effective way to target your outer thighs and produce quick results in shaping legs perfectly. Leg raise stresses your muscles in order to shape and strengthen them. Lower body, quadriceps and hamstrings help you stabilize your body and keep you strong and quick in daily life. To keep them strong and in shape is essential. Lying leg raise outer thigh exercise not only works for your legs and thighs but also stresses core abdominal muscles and obliques.