Gymnastics or yoga maneuvers, and a hint to the starts of 18-, 24-, 35- and 48-Across

Crossword clues for Gymnastics or yoga maneuvers, and a hint to the starts of 18-, 24-, 35- and 48-Across:

FRONTSPLITS: Gymnastics or yoga maneuvers, and a hint to the starts of 18-, 24-, 35- and 48-Across