Bodyweight

Frog Sit-Ups

Animated demonstration of the Frog Sit-Ups

Muscles worked

Front and back body map of the muscles worked by the Frog Sit-Ups

Main muscles

  • Diaphragm

What it is

This abdominal exercise targets your core muscles effectively. You will perform a partial sit-up motion with your legs in a frog-like position, soles together. This unique setup helps isolate your abdominals for a focused contraction. It is an excellent movement for strengthening your midsection.

Technique tips

  • Flatten your lower back into the floor when you lift.
  • Keep your outer thighs grounded to maintain the diamond shape.
  • Exhale as you curl your torso up; inhale as you slowly lower.
  • Only lift your torso about a quarter of the way up.
  • Engage your abdominal muscles before starting each repetition.

How to track your progress

Log reps, and add the extra load if you wear a belt or a vest. Straddly counts your bodyweight in the estimated max, so added weight and extra reps both show up as progress, and new records are flagged during the session.

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