Mermaid pose
Set sail for Mermaid Pose, on a journey that will open your hips as it lengthens your back into a gorgeous arch. Imagine your foundation for this pose to be like the tail of a mermaid or merman—a powerful and supportive base that allows you an exhilarating sense of fluidity. Your upper body becomes buoyant and free as you discover the extension in your spine and the great opening of your heart.

By cultivating the strength and fluidity of a mermaid throughout this practice, you will increase your capacity to be strong, stable, lighthearted, and graceful, not just here, but in any pose and, indeed, in your whole life. With that in mind, prepare to playfully leave the comfort of the shore and embark on a great adventure.

Benefits –
Stretches the thighs, groins, hips, gluteus maximus, and chest
Regulate digestion
Tones the abdominal muscles

Natarajasana
Natarajasana is a physically challenging, beautiful pose that requires flexibility in the spine, legs, and hips. To practice the pose, use a thoughtful sequence filled with plenty of preparatory poses in order to make sure your body – and mind – are adequately prepared. Regular practice will help develop strong mental fortitude and determined concentration.

Benefits – Natarajasana yoga is all about coordination and balance. It strengthens your shoulder, back, arms, and legs strong.

Lord of the dance pose also aids weight loss by boosting metabolism.

This pose regulates the digestive system.

This pose is great for stretching the body including hands, thighs, legs, waist and abdomen.
Natarajasana betters body balance and posture. Correcting posture, it makes the body less susceptible to aches and pain.