A few years ago, I had several appointments with a physical therapist. In the waiting room, I met a middle-aged woman who looked pretty beat up. I asked her if I could ask her what was wrong. Most of the time we like to talk about what's on our minds. According to her, the woman was relatively athletic. She jogged a lot. At Christmas, she went grocery shopping. In the vegetable department there was a spring onion on the floor on which she slipped. Involuntarily, she went into a straddle. Her hip broke so badly that she was asked if she could be operated on in the university hospital in front of students. She agreed to it. But even after the operation she could walk only with pain. Now physiotherapy should help.

I thought to myself that this would not have happened to me.

Many runners (track and field athletes) or people who focus on strength training don't stretch enough.

Especially in accidents, a stretched body can prevent broken bones.

And what does B.K.S. Iyengar say? His book is still on my desk.

I quote from B.K.S. Iyengar's book 'Light on Yoga', page 218:

Effects (of sanakonasana, note from me):

In this pose the hip joints are worked and the legs learn to move freely in all directions. The spine is stretched. Any defect in the lower part of the spine is cured by this. Like hanumanasana, the pose invigorates the leg muscles and gives good form to the legs. It prevents hernias and takes away sciatic pain. It makes the blood pulsate in the pelvic area and in the sexual organs and keeps them healthy.

To the picture:

You can swing the leg up dynamically and then hold it. The dynamic part warms up the leg and the pelvic area. All dynamic exercises also give mental momentum and motivation.