Yoga blocks are a popular prop used in yoga practices to help with poses and improve flexibility. They are typically made of foam, cork, rubber, or wood and can be used in either seated or standing forms. Here are some ways yoga blocks are used:

• Extend the arms: Yoga blocks are often used to extend the arms in poses, such as in Warrior III pose.

• Support the back, hips, and head: Blocks can also be used to support the back, hips, and head in poses.

• Improve balance and stability: In poses like Standing Split, blocks can be used to improve balance and stability.

• Modify poses: Blocks can be used to modify poses and make them more accessible, such as in Hero Pose.

• Deepen stretches: Blocks can help deepen stretches and improve range of motion.

• Support muscle engagement: Blocks can also be used to support muscle engagement in poses.

Using yoga blocks can be especially helpful for beginners, those with physical limitations, and those who are recovering from or prone to injuries. They can also enhance your ability to express a yoga pose and help you achieve proper alignment. Overall, yoga blocks are a versatile and essential tool for any yoga practice.