Exercise Library
Flexion Leg Sit Up (bent Knee) Waist Max
With knees bent and feet secured on the Waist Max machine, you curl your torso up into a full sit-up and lower back down under control. The bent-knee setup takes strain off the lower back while keeping the abs as the prime mover.
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Primary muscle
Primary: Rectus abdominis Secondary: Hip flexors
Equipment
Bodyweight
Category
Abs
Track This Exercise in the App
Log your flexion leg sit up (bent knee) waist max sets in 1RM.fit and watch your estimated 1RM update automatically as you get stronger.