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Abdominals

Frog Sit-Ups

Frog Sit-Ups (Start)Frog Sit-Ups (End)

A sit-up performed with the feet together and knees out, in a frog-like position, to work the abs and hip adductors.

Primary musclesAbdominals

Energy burned

≈ 17 kcalFor 3 × 8–12, rest 90s · ≈ 2.9 kcal/min

Estimate range 12–21 kcal (±25 %)

Muscle mass worked4 %
Effort during a set4.5 MET
Your lean mass53.5 kgBody fat estimated from BMI and age

Body-weight exercise: your whole body is the load, so heavier people burn more.

Estimate ±25 %: muscles worked (from the exercise data), sets, reps, rest and your body. See the planner for whole sessions.

Setup

  1. 1Lie on your back with the soles of your feet together and your knees dropped out to the sides.
  2. 2Place your hands lightly behind your head or across your chest.
  3. 3Draw your feet toward your hips.

How to perform

  1. 1Curl your upper body up toward your feet, leading with your chest.
  2. 2Reach the top with your abs squeezed.
  3. 3Lower back down under control.
  4. 4Keep your feet together throughout.

Alternatives

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More with Bodyweight

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Stretches for Abdominals

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