Make sure that only your legs and hips are lifted and your entire upper body rests on the floor and keep your upper thighs and knees together. (fitnessandpower.com)
This helps increase mobility, flexibility, and just gives the mother's body a rest from all of the hard work it is doing. (checkpregnancy.com)
Give your brain and body a rest by putting the phone away. (treehugger.com)