Tuck reverse crunch (Flat knee raises)

Name: Tuck reverse crunch demo
Uploaded: 2026-06-05T16:31:59.120Z
Duration: 18 s
Description: Skill Tree: Tuck reverse crunch. Progressions: Straight-leg reverse crunch, Double crunch, Cross body crunch, Stability ball bicycles. Regressions: Tuck reverse crunch.