Warrior 1 opens your chest, stretches your calves, and strengthens your thighs and ankles. There’s a lot going on in this seemingly simple pose so listen carefully.
Traditional Ashtanga yoga calls for heel-to-heel alignment, but feel free to take your legs wider left-to-right for more stability.
Make sure your front knee is directly over your ankle and as close to 90 degrees bent as you can.
Check that your back foot is as 45 degrees with your heel pressing down
Take your hands to your hips and press so much into your back heel that it helps square your hips toward the front of the room.