Doing crunches and sit-ups using foot straps for control on the Portable ABMat has never being easier.
HCE AB Mat Crunch Support Pad with Hip Extension, Abdominal Crunches Mat, Sit-Ups, Core Training Workout Padded Mat - Black Cushion Pad for Spine and Lower Back Support Protection - CrossFit Home
Ab Roller Vs. Planks: Evaluating Core Strengthening Methods – DMoose
3 core ab exercises better the crunches and sit ups
The AbMat Sit-up
10 Signs You Have a Weak Core Strength - How to Fix It
What exercises can I do at home to build muscle? - Quora
Ab Roller Vs. Planks: Evaluating Core Strengthening Methods – DMoose
Want a stronger core – skip the sit-ups - Harvard Health
The AbMat Sit-Up
Experience this new foot holder for situps and crunches. No installation or anything to adjust -- just slide under or in wedge of door and begin your
SimplyImagine Door SitUp Foot Holder Bar for Assisted Sit Ups - Foot Holder Assist Device Aid for Abs and Crunches, Padded Portable Floor Bar for Use
Daily Feed - Archon Bracket