Jack knife Sit-Up
Jack knife Sit-Up is an exercise focused primarily on the abdominals, performed with bodyweight.
Jack knife Sit-Up कैसे करें
Lie flat with arms extended overhead and legs straight together.
Brace your abs and press your lower back lightly into the floor.
Fold up, bringing your hands toward your feet in a jack-knife motion.
Exhale as you fold up and inhale as you lower back down.
Do not yank your neck or slam your back down on the way back.
Jack knife Sit-Up को Bulky में लॉग करें
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