Relative of upward dog, to 50-Down

COBRAPOSE

This yoga backbend mimics a serpent’s raised hood and often follows a plank position.

This clue hints at a yoga pose related to "upward dog," which is another common backbend. The answer is "COBRAPOSE," a pose where the chest lifts while the lower body stays grounded—similar to upward dog but with less intensity. The reference to "50-Down" suggests the clue connects to another yoga-related term in the puzzle, reinforcing the theme.