Step by step instructions, muscle activation and variants for the Groin Crunch.
The groin crunch is an abdominal exercise performed with the legs in a butterfly (soles together, knees out) position. Holding the legs in this flared position activates the inner thighs while the abdominal crunch motion targets the upper abs.
Common mistakes content is coming soon.
The Groin Crunch is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.