I'm a personal trainer, and I'm begging you to swap pigeon pose or 90/90 for one move — try this instead

The clamshell runner's lunge exercise opens your hips and stretches tight glutes while putting less pressure on your joints; ...

‘The hips don't lie, but they definitely do tricks,' says a mobility coach: 3 moves you need for 'liquid' hip mobility

These 3 moves increase mobility, open your hips and increase stability, and you don't need to be advanced to get started.