There are some people who have too wide a pelvis, hope that through the method of exercise to make the pelvis tighten, its exercise method is more, commonly used are the following kinds, 1, lumbar muscle contraction exercise, mainly for the lumbosacral muscles to exercise, can make the back side of the pelvis proper contraction, generally use prone position to get up exercise to exercise, lying on the bed or a soft plane, the lower limbs to keep immobile, the two legs force together and tighten. Hands in the back of the waist cross hold, with the waist force will lift the upper body away from the plane, pay attention to the force, be sure to put the legs together.2, kneeling hip flexor exercises, choose to kneel on the plane, hands to support the plane, the waist is straight, the hips force, the inner thighs clamped, single leg knee flexion lifting close to the chest and abdomen, alternating between the legs, mainly able to exercise the anterior side of the pelvic musculature and ligaments.3, side-lying side leg lifting exercises, side-lying side lifting exercises, side lying side lifting exercises, side-lying side lifting exercises, side-lying side lifting exercises, side lying side lifting exercises, side lying side lifting exercises, side lying side lifting exercises. Choose the side lying position, knee and ankle joints straight, with the hip joint as the fulcrum of the side to lift the whole leg, mainly to exercise the pelvic side of the muscle groups.