Abdominals, Core
Obliques, Hip Flexors
Watch Tutorial
https://www.youtube.com/shorts/ieb8mVCnKBw
https://www.youtube.com/shorts/YzZJLyJlpJc
https://www.youtube.com/shorts/GAZXDd1dPYM
Anchor bands low on decline bench.
Sit decline bench, secure feet.
Hold band handles at collarbone.
Perform sit-up against band resistance.
Torso perpendicular at top.
Lower slowly.
Repeat.