Some effective yoga poses for rainy days include: - **Tadasana (Mountain Pose):** Improves posture, strengthens legs, and enhances balance. - **Utkatasana (Chair Pose):** Strengthens thighs, hips, and core muscles while promoting endurance. - **Marjariasana-Bitilasana (Cat-Cow Stretch):** Loosens the spine, improves posture, and eliminates stiffness. - **Vrikshasana (Tree Pose):** Enhances balance, strengthens legs, and promotes mental calm. These asanas are easy to perform at home and provide a balanced mix of strength, flexibility, and concentration.