Here's a guided meditation for body posture:

Find a comfortable and quiet place where you can sit or lie down. Begin by closing your eyes and taking a few deep breaths, allowing yourself to relax and let go of any tension in your body.

As you continue to breathe deeply, bring your attention to your posture. Whether you're sitting or lying down, become aware of the alignment of your body. Notice if there are any areas of tension or discomfort.

Start with your head and neck. Gently lengthen your spine and imagine a string pulling the crown of your head toward the ceiling. Let your neck be long and relaxed, allowing your chin to be parallel to the ground.

Move your attention to your shoulders. Roll them back and down, allowing them to relax away from your ears. Feel the openness across your chest as you do this.

Bring your awareness to your arms and hands. Allow your arms to rest comfortably by your sides or on your lap. Relax your hands and let your fingers gently curl or rest softly.

Now, shift your attention to your back and torso. Feel the support of the surface beneath you, whether it's a chair, cushion, or mat. Allow your back to be straight, yet relaxed. Feel your breath expanding and contracting your chest and belly with each inhale and exhale.

Next, bring your awareness to your hips and pelvis. Allow them to be grounded and stable. If you're sitting, ensure that your hips are slightly higher than your knees for optimal alignment.

Finally, focus on your legs and feet. Let your legs be at ease, whether they're crossed or extended. Feel your feet connected to the ground. Notice the sensations in your feet, such as the weight, warmth, or tingling.

Take a moment to scan your body from head to toe, noticing any areas of tension or discomfort. As you exhale, imagine releasing any tension or tightness, allowing your body to relax even more.

Stay in this posture for a few more moments, simply observing your body and breath. If your mind wanders, gently bring your attention back to the sensations of your body.

When you're ready to end the meditation, take a deep breath in, and as you exhale, slowly open your eyes. Take a moment to appreciate the benefits of aligning your body and bringing awareness to your posture.

Remember, proper body posture not only supports physical well-being but also contributes to mental and emotional balance. Practice this meditation regularly to cultivate a sense of ease and alignment in your body.