Alternating Reverse Side Crunch
This ab exercise mainly works your obliques and abs, with help from your hip flexors. Watch the demo video, then follow the tips below.
Rep Range
Time Based
How to do Alternating Reverse Side Crunch
Sit on the ground with feet flat and legs bent. Hands remain behind you with fingers pointed forward for support. Engage the core and lift your feet off the ground, keeping legs together. Rotate your hips and legs to one side, then return to center and alternate to the other side.
Common mistakes
Allowing the hands to shift or not providing stable support. Letting the legs drift apart. Not rotating from the hips.
Breathing
Inhale as you return to the center, exhale during the hip and leg rotation.
Muscles worked
Primary Muscles
Obliques, Abs
Secondary Muscles
Hip Flexors