Abdominals
Frog Sit-Ups


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
- 1Lie on your back with the soles of your feet together and your knees dropped out to the sides.
- 2Place your hands lightly behind your head or across your chest.
- 3Draw your feet toward your hips.
How to perform
- 1Curl your upper body up toward your feet, leading with your chest.
- 2Reach the top with your abs squeezed.
- 3Lower back down under control.
- 4Keep your feet together throughout.























