(I wonder if these are the muscles causing my lower back/hip pain?) Improve your triangle by accessing the QL "hip hiker" muscle. When you run or walk this muscle helps your hip lift up. This stretch helps with hip pain.
treehuggingdirtworshipfitnessloveaffair: "Yoga for the Splits" . practice these poses everyday to gain flexibility for the splits. Start by holding each pose for 30 seconds on each side, work your way up to minutes as your muscles start to open up.