Knee Tuck Crunch
This ab exercise mainly works your upper abs, with help from your lower abs, obliques and hip flexors. Watch the demo video, then follow the tips below.
Rep Range
Time Based
How to do Knee Tuck Crunch
Begin in a seated position with hands flat behind you for support. Simultaneously tuck your knees to your chest and crunch your upper body forward.
Common mistakes
Avoid pulling on your neck or using momentum. Ensure movements are controlled.
Breathing
Inhale as you extend your legs and lean slightly back, exhale during the knee tuck and crunch.
Muscles worked
Primary Muscles
Upper Abs
Secondary Muscles
Lower Abs, Obliques, Hip Flexors
Tertiary Muscles
Quads
