The essence of Exercise:
Lie on your back with both legs flat. Slightly bend your right knee.
Raise your left leg straight up in the air.
Slowly lower the left leg straight across the body while trying to keep your lower back pressed into the floor.
Support the leg by looping a towel around your foot.
You should feel the stretch over your hip and in your glute on your left side.
Hold for 30 seconds and then repeat for the other side.