Wrist or shoulder injuries: Upward Facing Dog requires weight-bearing on the hands and can place significant pressure on the wrists and shoulders. Modify the pose by taking a Sphinx. Back or neck injuries: Individuals with back or neck injuries or conditions should approach Upward Facing Dog with caution. The pose involves significant extension of the spine and can place pressure on the lower back and neck. Practicing a gentler backbend variation may be more suitable for those with back or neck issues. Pregnancy: Pregnant individuals should approach Upward Facing Dog with caution, especially as the pregnancy progresses. The pose involves lying on the belly and deep back bending, which may not be suitable or comfortable for everyone during pregnancy. Recent abdominal surgery: If you have undergone recent abdominal surgery, it's important to avoid putting excessive strain on the abdominal area.