Alternating Elbow Towards Knee

This ab exercise mainly works your obliques and upper abs, with help from your lower abs. Watch the demo video, then follow the tips below.

Rep Range
Time Based

How to do Alternating Elbow Towards Knee

Lie on your back with feet flat and legs bent. Place hands behind your head. Contract your abs and lift shoulder blades off the floor. Rotate your torso towards one knee with the opposite elbow, while keeping feet planted. Return and switch sides.

Common mistakes

Pulling on the neck with hands. Not engaging the core. Rushing through the movement.

Breathing

Inhale as you return to center, exhale as you rotate towards knee.

Muscles worked

Primary Muscles
Obliques, Upper Abs
Secondary Muscles
Lower Abs