When it comes to figure drawing, you want to grab the motion, the pose, the energy of the form rather than the details so I would suggest starting with the basic anatomical points of the rib cage and the pelvis. then just lines and circles for the joins. If you notice her waist is much more angled and in figure drawing you can even exaggerate the posture even more. When it comes to the feet, notice that her left heel steps on the ground whereas her right is raised. That's all. Figure drawing can be frustrating but keep at it, it becomes easier over time. Repetition is your friend. I'd even go as far as lowering the time to 60''. One minute. One minute to capture the pose. You will be forced to use fewer lines and find ways to capture the essence of a pose. Good work mate. Keep it up!
