Yoga has been used for a different purpose in past, chinese were using yoga for hild's pose. Stretches hips, quads, back Stretches spine, hamstrings, glutes, calves; strengthens deltoids, triceps. These are the popular Yoga poses.
Plank pose
Fierce pose
Tree pose
Garland pose
Boat pose
For others poses read this blog post.
13 Yoga Poses for Women